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Abnormal accumulation of pus in the pulmonary tissues is called:
A) emphysema
B) empyema
C) pneumothorax
D) pneumoconiosis
A) emphysema
B) empyema
C) pneumothorax
D) pneumoconiosis
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The most effective method of sterilization is
A) dry heat
B) moist heat
C) pasteurization
D) freezing
A) dry heat
B) moist heat
C) pasteurization
D) freezing
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| Question | Answer |
|---|---|
| Abnormal accumulation of pus in the pulmonary tissues is called: A) emphysema B) empyema C) pneumothorax D) pneumoconiosis | B |
| The most effective method of sterilization is A) dry heat B) moist heat C) pasteurization D) freezing | B |
| A patient who is diaphoretic has A) pale, cool, clammy skin B) hot, dry skin C) dilated pupils D) warm, moist skin | A |
| A vasodilator would most likely be used for A) angina B) cardiac arrest C) bradycardia D) allergies | A |
| Blood pressure is measured in units of A) L/min B) beats per minute C) degrees D) mmHg | D |
| Which of the following positions is required in order to demonstrate small amounts of fluid in the pleural cavity? A) lateral decubitus, affected side up B) lateral decubitus, affected side down C) AP Trendelenburg D) AP supine | B |
| Which of the following will separate the radial head, neck and tuberosity from superimposition on the unla? A) AP B) lateral C) medial oblique D) lateral oblique | D |
| Movement of a part toward the midline of the body is termed A) eversion B) inversion C) abduction D) adduction | D |
| The body habitus characterized by a long and narrow thoracic cavity and low, midline stomach and gallbladder is the A) asthenic B) hyposthenic C) sthenic D) hypersthenic | A |
| When the patient is recumbent and the central ray is directed horizontally, the patient is said to be in the A) trendelenburg position B) fowler's position C) decubitus position D) sims position | C |
| In myelography, the contrast medium is generally injected into the A) cisterna magna B) individual intervertebral disks C) subdural space D) subarachnoid space | D |
| Medical and dental radiation accounts for what percentage of the general public's exposure to man-made radiation? A) 10 percent B) 50 percent C) 75 percent D) 90 percent | D |
| Biologic material is most sensitive to irradiation under which of the following conditions? A) anoxic B) hypoxic C) oxygenated D) deoxygenated | C |
| In the production of bremsstrahlung radiation the incident electron A) ejects an inner-shell tungsten electron B) ejects an outer-shell electron C) is deflected, with resulting energy loss D) is deflected with resulting energy increase | C |
| What is the intensity of scattered radiation perpendicular to and 1 meter from the patient compared to the useful beam at the patient's surface? A) 0.01 percent B) 0.1 percent C) 1.0 percent D) 10 percent | B |
| What is the term used to describe x-ray photon interaction with matter and the transference of part of the photon's energy to matter? A) absorption B) scattering C) attenuation D) divergence | B |
| Which of the following personnel monitoring devices used in diagnostic radiography is considered to be the most sensitive and accurate? A) TLD B) film badge C) OSL D) pocket dosimeter | C |
| Which of the following pathologic conditions would require a decrease in exposure factors? A) congestive heart failure B) pneumonia C) emphysema D) pleural effusion | C |
| A 4" object to be radiogrpahed at a 36" SID lies 2" from the image recorder. What will be the image width? A) 2.6" B) 4.2" C) 5.1" D) 8.4" | B Image size/object size = SID/SOD |
| If 82kVp, 600 mA and 0.05s were used for a particular exposure using three-phase, twelve pulse equipment, what mAs would be required, using single phase equipment to produce a similar radiograph? A) 7.5 mAs B) 20 mAs C) 30 mAs D) 60 mAs | D |
| A device used to give a film a predetermined exposure in order to test its response to processing is called A) sensitometer B) densitometer C) step wedge D) spinning top | A |
| The relationship between the height of a grid's lead strips and the distance between them is referred to as grid A) ratio B) radius C) frequency D) focusing distance | A |
| Which of the following will contribute to the production of shorter-scale radiographic contrast? 1. increase in kV 2. increase in grid ratio 3. increase in photon energy | 2 only |
| The primary source of scattered radiation is the A) patient B) tabletop C) x-ray tube D) grid | A |
| Which of the following terms is used to describe unsharp edges of tiny radiographic details? A) diffusion B) mottle C) blur D) umbra | C |
| The photoelectric process is an interaction between an x-ray photon and A) an inner-shell electron B) an outer-shell electron C) a nucleus D) another photon | A |
| Circuit devices that will conduct electrons in only one direction are 1. resistors 2. valve tubes 3. solid-state diodes | 2 and 3 |
| Accurate operation of the AEC device is dependent on 1. thickness and density of object 2. positioning of the object with respect to the photocell 3. beam restriction | 2 and 3 |
| Which cells are most important in the development of immunity? A) erythrocytes B) lymphocytes C) platelets D) thrombocytes | B |
| If a transformer is supplied with 200 volts to the primary coil, which has 100 turns of wire on primary and 15,000 turns on the secondary - what will the voltage be in the secondary coil? A) 3 kilovolts B) 8 kilovolts C) 30 kilovolts D) 80,000 volts | C |
| In a fetus, the foramen ovale connects which two structures? A) aorta and SVC B) aorta and pulmonary trunk C) right and left atria D) right and left ventricles | C |
| The correct order of the meninges from outermost to innermost is: A) arachnoid, pia, dura B) dura, arachnoid, pia C) dura, pia, arachnoid D) pia, arachnoid, dura | B |
| What is the resistance in a circuit of 60 kilovolts and 300 mA A) 20,000 ohms B) 40,000 ohms C) 200,000 ohms D) 400,000 ohms | C |
| If a transformer has 120 turns of wire on the primary coil, 80 volts in the primary coil and 80 turns in the secondary coil, which type of transformer is it? A) auto transformer B) step up transformer C) step down transformer D) DC transformer | C |
| Renal failure is characterized by the abnormal retention of what substance in the blood? A) bilirubin B) calcium C) pus D) urea | D |
| X-ray beam quality is expressed in terms of: A) half-value layer B) exposure linearity C) reproducibility D) focal spot size | A |
| Patients with liver cirrhosis have a tendency to develop: A) ascites B) esophageal varices C) jaundice D) All of the above | D |
| Venous thrombosis most often affects the: A) deep veins of the upper extremities B) deep veins of the lower extremities C) superficial veins of the upper extremities D) superficial veins of the lower extremities | B |
| Bile drains from the cystic duct directly into the: A) common bile duct B) common hepatic C) pancreatic duct D) duodenum | A |
| An x-ray exposure of 240mR is recorded at a distance of 20 inches. If the same technical factors are used, what will the exposure be if the distance is increased to 40 inches? A) 60 mR B) 120 mR C) 480 mR D) 960 mR | A |
| Demonstration of a pneumothorax is best accomplished by making the exposure: A) in an erect, lateral position B) in a lateral decutitus position C) in an erect PA position on expiration D) in an erect PA position on inspiration | C |
| Convert 5 rad to gray. A) 0.5 gray B) 0.05 gray C) 0.005 gray D) 0.0005 gray | B |
| Which of the following would result in a decrease in radiographic contrast? A) A decrease in mAs B) A decrease in kVp C) An increase in kVp D) The use of a grid | C |
| Which of the following would result in a increase in recorded detail? 1. Increase SID 2. Decrease kVp 3. Decrease focal spot size A) 1 only B) 1 and 3 only C) 2 and 3 only D) 1, 2 and 3 | B |
| What is the total resistance in a parallel circuit with resistances of 2.5, 4.2 and 6.8 and a potential difference of 10 volts? A) 1.274 B) 10 C) 12.74 D) 13.5 | A |
| The primary purpose of a falling-load x-ray generator is to minimize: A)Exposure time B)Scatter radiation C)Exposure to the patient D)The space-charge effect | A |
| The target interactions that produce the x-ray photon consist of _____ of the total kinetic energy of the incident electron. A) Less than 1% B) Less than 10% C) more than 50% D) Over 99% | A |
| A patient developed bradycardia several minutes after injection of an iodinated contrast medium. What type of drug should be readily available? A) analgesic B) antihistamine C) atropine D) antibiotic | C |
| In classifying intravenous contrast agents, the total number of dissolved particles in solution per kilogram of water defines: A) osmolality B) toxicity C) viscosity D) miscibility | A |
| Which of the following conditions describes a patient who is unable to breathe easily while in a recumbent position? A) dyspnea B) apnea C) orthopnea D) oligopnea | C |
| To best demonstrate esophageal varices, the patient must be examined in the: A) recumbent position B) erect position C) anatomic position D) Fowler's position | A |
| The transverse process is represented by what part of the "scotty dog" seen in a correctly positioned oblique lumbar spine? A) eye B) front leg C) body D) nose | D |
| The contrast media of choice for use in myelography are A) ionic non-water soluble B) ionic water soluble C) nonionic water soluble D) gas | C |
| If a 12" collimated field is changed to a 10" collimated field, with no other changes, the radiographic image will possess A) more density B) less density C) more recorded detail D) less recorded detail | B |
| Which of the following contributes most to patient dose? A) photoelectric effect B) Compton scatter C) classical scatter D) Thompson scatter | A |
| During a fluoroscopic examiniation, the milliamperage is A) less than 5 B) 10 to 20 C) 50 to 75 D) 100 to 500 | A |
| With all other factors constant, as a digital image matrix size increases, 1. pixel size decreases 2. resolution increases 3. pixel size increases | 1 and 2 |
| The type of shock associated with the massive blood loss A) neurogenic B) cardiogenic C) hypovolemic D) septic | C |
| The dose-response curve that appears to be valid for genetic and some somatic effects is the 1. linear 2. sigmoidal 3. nonthreshold | 1 and 3 |
| Which of the following parenteral routes is most often used for administration of contrast agents in the radiology department? A) subcutaneous B) intravenous C) oral D) rectal | B |
| Which of the following circuit devices operate(s) on the principle of mutual-induction? 1. autotransformer 2. step down filament transformer 3. high voltage transformer | 2 and 3 |
| Because of medicolegal considerations, radiographic images are required to include all of the following information, except A) Patient's name and or identification number B) patient's date of birth C) right or left side marker D) date of examination | B |
| Examples of COPD include 1. bronchitis 2. pulmonary emphysema 3. asthma | 1,2,3 |
| Which of the following projections or positions will best demonstrate subacromial or subcoracoid dislocation? A) tangential B) AP axial C) transthoracic lateral D) PA oblique scapula Y | D |
| Generally speaking angulation of the central ray may be required: 1. to avoid superimposition of overlying structures 2. to avoid foreshortening or self-superimposition 3. in order to project through cetain articulations | 1,2,3 |
| "Flattening" of the hemidiaphragms is characteristic of which of the following conditions? A) pneumothorax B) emphysema C) pleural effusion D) pneumonia | B |
| During a double-contrast BE, which of the following positions would afford the best double-contrast visualization of both colic flexures? A) LAO B) lateral C) left lateral decubitus D) PA erect | D |
| The tissue that occupies the central cavity within the shaft of a long bone in an adult is? A) red marrow B) yellow marrow C) cortical tissue D) cancellous tissue | B |
| A patient is usually required to drink barium sulfate suspension in order to demonstrate which of the following structures? 1. esophagus 2. pylorus 3. ilium | 1,2 ileum is a portion of the small bowel ilium is the wing of the pelvis |
| The axiolateral position (Law method) of examining the mastoids uses which of the following? 1. OML 2. MSP parallel to tabletop 3. 15 degree caudad angulation | 3 only |
| Inspiration and expiration series of the chest may be performed to demonstrate 1. pneumothorax 2. foreign body 3. atelectasis | 1,2,3 |
| In an effort to visualize barium within the antrum and C-loop of the small bowel, the best position for patient would be: A) AP projection B) LPO position C) RAO position D) LAO position | C |
| Which of the following are methods of limiting the production of scattered radiation? 1. using moderate-ratio grids 2. using the prone position for abdominal exams 3. restricting the field size to the smallest practical size | 2 and 3 |
| In general, as the intensification factor increases 1. radiographic density increases 2. screen resolution increases 3. recorded detail increases | 1 only |
| SID affects recorded detail in which of the following ways? A) recorded detail is directly related to SID B) recorded detail is inversely related to SID C) as SID increased recorded detail decreases D) SID is not related to recorded detail | A |
| Which of the following image recording methods will require the greatest patient dose? A) cassette-loaded spot film B) 105 mm spot film C) 35 mm cine D) Videotape | C |
| Exposures less than the minimum response time of an AEC may be required when 1. using high mA 2. using fast film/screen combinations 3. examining large patients or body parts | 1 and 2 |
| Which of the following information is necessary to determine the maximum safe kVp, using the apporpriate x-ray tube rating chart? 1. mA and exposure time 2. focal spot size 3. imaging-system speed | 1 and 2 |
| Target angle will have an effect on the 1. severity of the heel effect 2. effective focal spot size 3. heat load capacity | 1,2,3 |
| During an intravenous urogram, the RPO position is used to demonstrate the 1. left kidney parallel to the film 2. right kidney parallel to the film 3. right ureter free of spinal superimposition | 1 and 3 |
| The annual dose limit for medical imaging personnel includes radiation from 1. medical x-rays 2. occupational exposure 3. background radiation | 2 only |
| One hundred ergs of energy deposited per gram of tissue defines the: A) Becquerel B) Gray C) Quality factor D) Rad | D |
| Rem multiplied by a quality factor equals: A) Rads B) Roentgens C) Grays D) No such equation is used | D |
| The quality factor for x-rays is: A) 10 B) 1 C) 20 D) 5 | B |
| Radiation protection is based on which dose response relationship? A) linear threshold B) nonlinear nonthreshold C) linear nonthreshold D) nonlinear threshold | C |
| Which of the following causes about 95% of the cellular response to radiation? A) Direct effect B) Law of Bergonie and Tribondeau C) Target theory D) indirect effect | D |
| The absorbed dose equivalent limit for the embryo/fetus is: A) 500 mrem per year B) 5 rem per year C) 0.5 rem per month D) 500 mrem during gestation | D |
| The filament circuit uses what type of transformer? A) Step-up B) Autotransformer C) Step-down D) Falling load | C |
| The accuracy of kVp at 90 kVp must be: A) No lower than 85 kVp and no higher than 95 kVp B) No lower than 89 kVp and no higher than 91 kVp C) No lower than 86 kVp and no higher than 94 kVp D) No lower than 88 kVp and no higher than 92 kVp | C |
| Distance and density are governed by what law or rule? A) Reciprocity law B) 15% law C) Inverse square law D) Density maintenance rule | C |
| Speed step used during sensitometric testing is the step closest to what density value? A) 0.25 B) 1.0 C) 1.5 D) 2.0 | B |
| A faster film-screen system will exhibit: A) Lower contrast B) Narrower latitude C) Better recorded detail D) Decreased density | B |
| As kVp is decreased: A) Density increases B) Contrast decreases C) Recorded detail decreases D) Scale of contrast shortens | D |
| Differential absorption of the x-ray beam produces: A) Density B) Subject contrast C) Recorded details D) Characteristic radiation | B |
| Medication given for bradycardia because it acts on the SA node of the heart to increase rate is: A) epinephrine B) atrophine C) diphenhydramine D) acetaminophen | B |
| A legal doctrine that states that "the cause of the negligence is obvious" is known as: A) Respondeat superior B) Res ipsa loquitur C) Gross negligence D) Slander | B |
| The photon tissue interaction in diagnostic radiography that results in the total absorption of an x-ray photon and the production of contrast in the radiographic image is: A) Compton's B) coherent C) photoelectric D) pair production | C |
| Compton's interaction: 1. produces contrast in the radiographic image 2. results in scattering of the incident photon 3. may produce fog on the radiograph 4. knocks outer orbital shell electron out of orbit | 2,3,4 |
| Film badges are generally accurate down to the level of: A) 10 rem B) 5 rem C) 0.1 mrem D) 10 mrem | D |
| When a quality control test for exposure reproducibility is performed, successive exposures must be within this amount of one another: A) 2% of SID B) 4% C) 10% D) 5% | D |
| When a quality control test for exposure reproducibility is performed, successive exposures must be within this amount of one another: A) 2% of SID B) 4% C) 10% D) 5% | A |
| At the time of exposure, the charge on the focusing cup is: A) Irrelevant B) Postitive C) Negative D) Alternating | C |
| An interaction that primarily produces heat at the anode but that also produces the largest proportion of x-rays is called: A) Characteristic B) Photoelectric C) Compton's D) Bremsstranhlung | D |
| In which section of the processor are unexposed silver halide crystals removed from the emulsion? A) Wash B) Fixer C) Developer D) Dryer | B |
| The function of the blue tint added to the film's base is to: A) Increased speed B) Reduce glare C) Increase recorded detail D) Decrease latitude | B |
| The type of shock that is caused by a severe allergic rection is called: A) Hypovolemic shock B) Septic shock C) Neurogenic shock D) Anaphylactic shock | D |
| A reaction that may occur in the vein in which the injection occured is: A) Systemic irritation B) Cardiovascular C) Anaphylactic D) Phlebitis | D |
| What is the most common means of spreading infection? A) improperly disposed of contaminated waste B) instruments that are imporperly sterilized C) soiled linen D) human hands | D |
| In which of the following positions/projections will the talocalcaneal joint be visualized? A) dorsoplantar projection of the foot B) plantodorsal projection of the os calcis C) medial oblique position of the foot D) lateral foot | B |
| Which projection(s) of the abdomen would be used to demonstrate pneumoperitoneum? 1. Right lateral decubitus 2. Left lateral decubitus 3. Upright | 2 and 3 |
| Which of the following may be used to evaluate the glenohumeral joint? 1. scapular Y projection 2. inferosuperior axial 3. transthoracic lateral | 1,2,3 |
| In the lateral projection of the scapula, the 1. vertebral and axillary borders are superimposed 2. acromion and coracoid processes are superimposed 3. humerus is allowed to remain at the side in neutral position | 1 only |
| In the posterior oblique position of the cervical spine, the central ray should be directed A) parallel to C4 B) perpendicular to C4 C) 15 degrees cephalad to C4 D) 15 degrees caudad to C4 | C |
| Which of the following procedures will best demonstrate the dorsalis pedis, peroneal, and popliteal vessels? A) aortofemoral arteriogram B) upper limb arteriogram C) lower limb venogram D) upper limb venogram | C |
| Which of the following are described in terms of matrix size, inherent spatial resolution, bit depth, number of slices, study sizes, and overall image quality? A) computer networks B) storage servers C) image data sets D) image acquisition modalities | C |
| A particular radiograph was produced using 6mAs and 110 kVp with an 5:1 grid. The radiograph is to be repeated using a 10:1 grid. What should be the new mAs? A) 3 mAs B) 6 mAs C) 9 mAs D) 15 mAs | D |
| If 300 mA has been selected for a particular exposure, what exposure time would be required to produce 60 mAs? A) 1/60 s B) 1/30 s C) 1/10 s D) 1/5 s | D |
| A satisfactory radiograph of the abdomen was made at a 42" SID using 300 mA, 0.06 s exposure and 80 kVp. It the distance is changed to 38", what new exposure time would be required? A) 0.02 B) 0.05 C) 0.12 D) 0.15 | B |
| Which of the following are methods used for silver reclamation? 1. photelectric method 2. metallic replacement method 3. electrolytic method | 2 and 3 |
| Which of the following will improve the spatial resolution of image-intensified images? 1) a very thin coating of cesium iodide on the input phosphor 2) a smaller-diameter input screenincreased 3) total brightness gain | 1 and 2 |
| Focal spot blur is greatest A) toward the anode end of the x-ray beam B) toward the cathode end of the x-ray beam C) directly along the course of the central ray D) as the SID is increased | B |
| Skin discoloration due to cyanosis may be observed in the 1. gums 2. nailbeds 3. thorax | 1 and 2 |
| If a radiographer performed a lumbar spine examination on a patient who was supposed to have an elbow exam, which of the following charges may be brought against the radiograhper? A) Assault B) Battery C) False imprisonment D) Defamation | B |
| Which of the following positions will best demonstrate (an open) the hepatic flexure of the large bowel during a air contrast barium enema? A) RAO B) RPO C) LPO D) right lateral decubitus | A |
| To demonstrate esophageal varices, the patient must be examined in A) recumbent position B) erect position Feedback: recumbent allows blood to engorge vessels C) anatomic position D) fowler's position | A |
| The process of "leveling and windowing" of digital images determines the image A) spatial resolution B) contrast C) pixel size D) matrix size | B |
| In which of the following examinations should 70 kVp not be exceeded? A) Upper GI B) Barium enema C) intravenous pyelogram D) chest | C |
| A lateral projection of the chest is being taken on an asthenic patient and the outer photocells are selected, what is likely to be the outcome? A) decreased density B) increased density C) scattered radiation fog D) motion blur | A |
| A minus density artifact appearing as a small half moom shape on a finished radiograph was probably produced 1. by carless handling 2. after exposure 3. before exposure | 1 and 3 |
| Since digital radiographic detectors have wide exposure latitude and a linear response, an image displayed without processing might appear as a ____. A) high-contrast image B) low-contrast image C) no-contrast image D) dual-contrast image | B |
| Which of the following will occur as a result of a increased in the anode target angle? 1. less pronounced anode heel effect 2. increased actual focal spot size 3. greater photon intensity towart the cathode side of the x-ray tube | 1 and 2 |
| Which of the following voltage ripples is (are) produced by single-phase equipment? 1 100 % voltage ripple 2. 13% voltage ripple 3 5% voltage ripple | 1 only |
| All of the following x-ray circuit devices are located between the incoming power supply and the primary coil of the high-voltage tranformer except the A) timer B) kV meter C) mA meter D) autotransformer | C |
| The left sacroiliac joint is positioned perpendicular to the film when a patient is positioned in a A) left lateral position B) 25 to 30 degree LAO position C) 25 to 30 degree LPO position D) 30 to 40 degree LPO | B |
| Aspirated foreign bodies in older children and adults are most likely to lodge in the A) right main bronchus B) left main bronchus C) esophagus D) proximal stomach | A |
| One of the side effects of hydrolysis is that two OH* radicals can join to form: A) Water B) Heavy water C) Hydrochloric acid D) Hydrogen peroxide | D |
| The____ position is recommended for patients experiencing syncope. A) Dorsal recumbent with the head elevated B) Dorsal recumbent with the feet elevated C) ventral recumbent horizontal D) upright | B |
| ________effects are random effects for which no threshold of exposure exist, but as the dose goes increases, the probability of the occurrence increases. A) Late B) Deterministic C) Stochastic D) Hematologic | C |
| The direction of the x-ray beam on a PA projection of the foot is to prevent A) Elongation of the metatarsals B) Foreshortening of the metatarpals C) Elongation of the tarsals D) Foreshortening of the tarsals | B |
| A characteristic curve can be used to compare the film factors of I. Speed II. Contrast III. Recorded detail A) 1 and II only B) I and III only C) II and III only D) I, II, and III | A |
| What agency publishes radiation protection recommendations? A) ICRP B) NCRP C) NRC D) ASRT | B |
| The aspect of a film-screen system that may be examined by conducting a wire mesh test is the: A) Phosphor layer B) Reflective layer C) Protective layer D) Film-screen Contact | D |
| A nosocomial infection is a(n) A) infection acquired at a large gathering B) upper respiratory infection C) infection acquired in a hospital D) type of rhinitis | C |
| All drug packages must provide certain information required by the U.S. Food and Drug Administration. Some of the information that must be proveded includes: 1. generic name 2. contraindications 3. usual dose | 1,2,3 |
| Pixels in a digital image represent the information contained in a volume of tissue in the patient. What is this volume called? A) bit depth B) voxel C) spatial resolution D) pixel | B |
| Which of the following positions demonstrates all the paranasal sinuses A) parietoacanthial B) PA axial C) lateral D) true PA | C |
| A "controlled area" is defined as one 1. that is occupied by people trained in radiation safety 2. that is occupied by people who wear radiation monitors 3. whose occupanty factor is 1 | 1,2,3 |
| Diagnostic x-radiation may be correctly described as A) low energy, low LET B) low energy, high LET C) high energy, low LET D) high energy, high LET | A |
| In 1906, Bergonie and Tribondeau established the law, which states that cells are more radiosensitive if they: 1. are young 2. are stem cells 3. have a low proliferation rate | 1 and 2 |
| Which of the following groups of exposure factors wil deliver the least amount of exposure to the patient? A) 400 mA, 0.25 s, 100 kVp B) 600 mA, 0.33 s, 90 kVp C) 800 mA, 0.5 s, 80 kVp D)800 mA, 1.0 s, 70 kVp | A |
| A film emulsion having a wide latitude is likely to exhibit A) high density B) low density C) high contrast D) low contrast | D |
| Light-sensitive automatic exposure control devices are known as A) phototimers B) ionization chambers C) sensors D) backup timers | A |
| Factors that are important to evaluate when selecting contrast media include: 1. miscibility 2. potential toxicity 3. viscosity | 1,2,3 |
| A "blowout" fracture is usually related to which of the following structures? A) foot B) elbow C) orbit D) pelvis | C |
| Which type of articulation is evaluated in arthrography? A) synarthrodial B) diarthrodial C) amphiarthrodial D) cartilaginous | B |
| The reduction in the intensity of an x-ray beam as it passes through material is termed? A) absorption B) scattering C) attenuation D) divergence | C |
| An unexposed and processed film will have a density of about A) zero B) 0.1 C) 1.0 D) 2.5 | B |
| What effect will a stained intensifying screen have on the finished radiograph? A) blurring B) magnification C) decreased density D) increased density | C |
| A photostimulable phosphor plate is used with A) computed radiography B) radiographic intensifying screens C) direct capture digital image receptor D) image intensified fluoroscopy | A |
| Which of the following terms describes the amount of electric charge flowing per second? A) voltage B) current C) resistance D) capacitance | B |
| If a high-voltage transformer has 100 primary turns and 35,000 secondary turns, and is supplied by 220 Volts and 75 A, what are the secondary voltage and current? A) 100A and 77 V B) 200mA and 77kVp C) 20A and 77V D) 20 mA and 77 kVp | B Vs/Vp=Ns/Np Vs/Vp=Ip/Is |
| Treelike, branching black marks on a radiograph are usually the result of A) bending the film acutely B) improper development C) improper film storage D) static electricity | D |
| GEometric unsharpness will be least obvious: 1. at long SIDs 2. with small focal spots 3. at the anode end of the image | 1,2,3 |
| Routine excretory urography usually includes a postmicturition radiograph of the bladder. This is done to demonstrate 1. tumor masses 2. residual urine 3. prostatic enlargement | 1,2,3 |
| An animal host of an infectious organism that transmits the infection via a bite or sting is a A) vector B) fomite C) host D) reservoir | A |
| The processor rollers that are out of solution and function to transfer the film from one solution to another are the A) deflector plates B) guide shoes C) crossover rollers D) turnaround assembly | C |
| The principal function of filtration in the x-ray tube is to reduce A) patient skin dose B) operator exposure C) scattered radiation D) image noise | A |
| The relationship between the ends of fractured long bones is referred to as A) angulation B) apposition C) luxation D) sprain | B |
| The innominate bone is located in the A) middle cranial fossa B) posterior cranial fossa C) foot D) pelvis | D |
| The junction of the sagittal and coronal sutures is the A) diploe B) lambda C) bregma D) pterion | C |
| All elbow fat pads are best demonstrated in which position? A) AP B) Lateral C) Acute flexion D) AP partial flexion | B |
| A frontal view of the sternum is best accomplished in which of the following positions? A) AP B) PA C) RAO D) LAO | C |
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