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Question | Answer |
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For the inferosuuperior axial projection of the shoulder, the arm should be abducted ____ degrees with ____ rotation to the arm. | 90, external |
On an image you notice that the coracoid process and glenohumeral joint space is not included. Why did this happen? | The IR was not placed over enough. |
The ____ tubercle should be displayed on the _____ aspect for a properly positioned external oblique shoulder radiograph. | Greater, lateral |
Where is the central ray location for the following? a. AP shoulder (internal rotation) b.West Point method c.Grashey method | a.1" inferior to coracoid process b. 5" inferior and 1 1/2 medial acromion c.2" inferior and 2" medial of superolateral border |
What method would best demonstrate a possible dislocation of the shoulder? | Scapular Y Method |
What method of the shoulder is done to demonstrate the glenoid cavity in profile? | Grashey Method |
What is the central ray angulation and direction for the Neer Method? | CR angle 10 to 15 degree, direction caudal |
What is the most common site of fracture on a humerus? | Surgical Neck |
A radiograph of an AP projection (external rotation) of a shoulder reveals that neither the greater or lesser tubercles are in profile. What positioning correction must be done before doing the repeat exposure? | The humeral epicondyles need to be parallel to the IR, the part was under rotated |
Which is the preferred patient position (for best recorded detail) for the Scapular Y method, LAO or RPO? Which scapula is of interest? | Left anterior oblique, left |
Where is the central ray located for the transthoracic lateral humerus projection? | at the surgical neck |
Where is the central ray located for the left lateral decubitus position of the abdomen? | 2" above the iliac crest on the midsagittal plane |
List two positions or methods that will demonstrate the radial head and neck free from superimposition. | 1.Coyle Method 2.Lateral rotation |
What positions of the abdomen would be used to demonstrate ascites? | Left lateral decubitus or erect posterior |
A patient is lying on their back with the right side of their body turned 45 degrees toward the film. What is the patient position? | Right posterior oblique recumbent |
For a Gaynor Hart image of the wrist, why do you slight rotation medially 5-10 degrees? | So the pisiform and the hook of hamate are not superimposed |
What position would be used if the patient could not stand and was suspected of having fluid in the peritoneal cavity? | Left lateral decubitus |
For an axial view of the chest to prevent superimposition of the clavicles on the apices the central ray would be angled _____ at _____ degrees. | cephalic, 15-20 degrees |
Which of the following should demonstrate the pisiform free of superimposition? | AP oblique wrist |
A KUB radiograph is processed. The lead tech notices that the right iliac wing/ala is elongated. What position was the patient in? | Right Posterior Oblique Recumbent |
What is the projection for the Coyle/Greenspan Norman method? | Axiolateral |
Positioning Error---- Metacarpal heads are demonstrated w/o superimposition, and the spaces between the metacarpal mid-shafts are nearly equal. | under rotated |
Positioning Error---- The 3rd - 5th metacarpal mid-shafts are superimposed. | over rotated |
Positioning Error---- The radiograph demonstrates foreshortened phalanges and closed IP joint spaces. | The hand was not flat on the film. |
The radiologist has ordered a decubitus view for a pleural effusion, which decubitus position will you place the patient in? | Left Lateral Decubitus |
An abnormal accumulation of fluid in the peritoneal cavity is called _______. For this pathology I would _____ my technique. | ascites, increase |
What carpal bone that should be included on all images of the first digit? | tapezium |
List the CR location for each of the following exams: A. Lateral hand B. AP oblique wrist | A. 2nd metacarpophalangeal joint B. Midcarpals |
What basic position of the elbow will demonstrate the radial head, neck, and tuberosity free from superimposition? | Lateral Rotation |
How should the humeral epicondylar line be in relationship to the film for an AP projection of the forearm? | parallel to the film |
On which aspect of the hand should rest upon the cassette for a lateral image of the 2nd digit?***What is the projection for this lateral position? | radial aspect***mediolateral |
What are the routine overhead projections taken for radiography of the first digit? | AP, PA oblique, mediolateral |
What degree of the CR angulation for the Gaynor Hart method?****What anatomy is best demonstrated? | 25 to 30 degrees***carpal canal |
Name the anatomical structure best demonstrated on the following exams: a. lateral elbow b. Stecher method | a. olecranon process b. scaphoid carpal |
List the evaluation criteria used to determine if there is rotation present on a PA projection of digits 2-5. | 1.Concavity of the phalange shaft 2.Equal tissue on both sides of the phalange 3.Fingernail is center on the distal phalange |
What are the 2 reasons why we want to keep the digits parallel to the IR? | 1. to open up the joints 2. to prevent foreshortening |
How much is the CR angled and in what direction for the Stecher method if the patients' hand and the film are flat on the table? | CR angled: 20 degrees Direction: toward the elbow |
Where is the CR located for an oblique image of the first digit? | Metacarpophangeal joint |
How many bones are in one hand? | 27 |
An image of the wrist done in ulnar deviation will best demonstrate carpal bones on the ______ aspect? | lateral aspect |
In a radiographic study of the forearm, the distal radius crossed over the ulna in the AP projection. Which specific positioning error leads to this problem? | the hand was pronated |
A patient comes to the ER with a cut from a glass window. A hand exam is ordered to "R/O F.B". The typical technique for a hand is 60@3. ***What projections will you take?***What is the new technique? | Posteroanterior & Lateromedial***60@2 |
What is the name of the projections for the following positions? A.Gaynor Hart Method B.Stecher Method | A. Tangential B. Posteroanterior Axial |
The patient is standing up with their back against the image receptor. The right side of the body is turned 45 degrees forward the IR. What position has the patient been placed in? | Right Posterior Oblique Erect |
Where is the CR located for a decubitus abdomen film? | 2" above the iliac crest on the midsagittal plane |
Will you decrease or increase your exposure factors for: 1.ascites 2.pneumothorax 3.pleural effusion 4.emphysema | 1.increase 2.decrease 3.increase 4.decrease |
Where is the CR located for a AP chest radiograph? | 3" below the jugular notch, perpendicular on the midsagittal plane |
A right posterior oblique chest image is on the monitor. You see the side of interest is 3 times wider as the side not of interest.***What is the side of interest?***Is the image correct? | Right***No, it is over rotated |
Which position can be used for a lateral projection of the chest if the patient is unable to sit or stand? | dorsal decubitus |
For the inferosuperior axial projection of the shoulder, the arm should be abducted ____ degrees with ____ rotation to the arm. | 90----external |
On the inferosuperior axial you notice that the coracoid process and glenohumeral joint space is not included. Why did this happen? | the IR was not placed over enough, the patient did not turn their head. |
The _____ tubercle should be displayed on the ____ aspect for a properly positioned external oblique shoulder radiograpgh. | greater---lateral |
Central ray location: a.AP shoulder(internal rotation) b.West Point Method c.Grashey Method | a.1" inferior to coracoid process b. 5" inferior & 1 1/2 medial to acromion c.2" inferior & 2" medial of superolateral border (glenoid cavity) |
The projection for a scapular Y image is a PA oblique. The patient's body was in the ____________ position and the degree of the patient obliquity is _______. The CR is located at the ______. | right anterior oblique erect or supine-----45 to 60----scapulohumeral joint |
What method would best demonstrate a possible dislocation of the shoulder? | Scapular Y |
What method of the shoulder is done to demonstrate the glenoid cavity in profile? | Grashey Method |
What is the CR angulation and direction for the Neer Method? | 10 to 15 degree----caudad |
What is the most common site of fracture on a humerus? | surgical neck |
A radiograph of an AP projection (external rotation) of a shoulder reveals that neither the greater or lesser tubercles are in profile. What positioning correction must be done before doing the repeat exposure? | the epicondyles need to parallel to the IR, the part was under rotated |
Which is the preferred patient position (for best-recorded detail) for the Scapular Y method, LAO or RPO?**What scapula is of interest? | Left anterior oblique**Left |
What is the degree of patient obliquity for the Grashey Method? | 35 to 45 |
If a patient has an anterior dislocation of the shoulder, under what structure would the humeral head appear on the radiograph? | will be under the coracoid process |
The patient cannot raise their unaffected arm over their head for the transthoracic lateral projection of the humerus. What will you do to the CR to compensate for this? | angle the CR 10-15 degrees cephalic |
Where is the CR located for the left lateral decubitus position of the abdomen? | 2" above the iliac crest on the midsagittal plane |
A requisition for a three way abdominal series is received. The patient arrives in the department in a wheel chair and states they cannot stand. What order should this exam be done? | left lateral decubitus abdomen-supine abdomen-chest |
List 2 positions or methods that will demonstrate the radial head and neck free from superimposition. | 1.Coyle Method 2.Lateral rotation |
Which position(s) of the abdomen would be used to demonstrate ascites? | Left lateral decubitus---erect posterior |
A patient is lying on their back with the right side of their body turned 45 degrees toward the film. What is the patient position? | Right posterior oblique recumbent |
For a Gaynor Hart image of the wrist, why do you slight rotation medially 5-10 degrees? | |
What position would you used if the patient could not stand and was suspected of having fluid in the peritoneal cavity? | Left lateral decubitus |
For an axial view of the chest to prevent superimposition of the clavicles on the apices the CR would be angled ____ at _____ degrees. | cephalic---15 to 20 |
A KUB radiograph is processed. The lead tech notices that the right iliac wing/ala is elongated. What position was the patient in? | Right posterior oblique recumbent |
What is the projection for the Coyle method? | Axiolateral |
An abnormal accumlation of fluid in the peritoneal cavity is called ____. For this pathology I would _____my technique. | ascites---increase |
For the AC joint series, which of the two views would best demonstrate a possible separation? | the view with the weights |
List the degree of CR angulation for the following: *AP Axial Toe **AP Axial Foot | *15 **10 |
List the CR location for an AP Axial Foot | at the base of the 3rd metatarsal |
What is the projection for a lateral scapula? | mediolateral |
In order to obtain an AP projection of the scapula you must position the patient with.... | arm abducted at right angle to the body and the elbow is flexed with the hand supinated |
Where is the CR located for an AP scapula? | 2" inferior of the coracoid process |
How much do you abduct the arm for the AP projection of the scapula and why? | 90 degrees, to pull the scapula out of the lung field and place the scapula laterally |
Which is the preferred patient position (for best recorded detail) for the lateral view of the scapula, LAO or RPO? Which scapula is of interest? | Left anterior oblique, Left |
A radiograph of an AP view of the scapula shows that the entire scapula is within the lung field and is difficult to see due to superimposition of overlying structures. What 2 things can be done to improve the visualization of the scapula? | 1. abduct the arm from the body (90 degrees) 2. breathing technique |
Which position should be done for the AP oblique of the 4th toe? | supine with lateral rotation |
What is another projection term that refers to the AP Axial projection of the calcaneus? | dorsoplantar axial |
Which patient would require more CR angulation for the Pa axial clavicle exam? | Asthenic patient |
List the degree of the part obliquity for the following exams" 8AP oblique foot **mortise view of the ankle ***AP oblique toes | *30 **15 to 20 ***30 to 45 |
To best evaluate the longitudinal arch of the foot, how should the patient be position? | standing up |
How should the patella be in relationship to the IR for a lateral view of the lower leg? | Perpendicular |
How is the plantar surface of the foot in relationship to the IR for an AP projection of the ankle? | Perpendicular |
What is the SID for radiography of the AC joints? | 72" |
You have angled 30 degrees for an AP Axial view of the clavicle. How many inches will you bring your tube down to maintain the 40" SID? | 6 inches |
For a PA Axial projection of the clavicle how much and in what direction do you angle the CR? | 15 to 30 degrees in a caudad direction |
Where is the CR location for a bilateral AC joints? | midsagittal plane and at the level of the acromioclaviclar joints |
A technique of 72 kVp at 10 mAs has been used for a shoulder and had proper contrast and density. You now must do an AC joint study, what is your new technique? | 72 kVp and 32.4 mAs |
Which oblique position of the foot will best demonstrate the navicular and 1st & 2nd cuneiforms free from superimposition? | lateral rotation |
To prevent rotation when doing an AP projection of the lower leg, what anatomical structures must be parallel to the IR? | femoral condyles |
How will the intermalleolar line be position in relationship to the IR for a correctly positioned AP oblique projection for the mortise view of the ankle? | parallel |
What lateral projection of the foot gives the best-recorded detail? | lateromedial |
What is the name of the disease where the tibial tuberosity pulls away from the bone? | osgood schlatters |
What is the projection that demonstrated the sesamoid bones of the foot free from superimposition? | tangential |
For a PA axial of the calcaneus what is the CR angulation and the primary area of interest for this exam? | 40 degrees ***subtalar joint |
For a correctly positioned lateral food, where should the fibula appear in relationship to the tibia? | appear in the posterior half of the tibia |
In which position of the foot are the sinus tarsi, cuboid, and the tuberosity of the 5th metatarsal best demonstrated? | medial rotation |
Which position of the ankle will best demonstrate ligament tears along the lateral aspect when doing stress studies of the ankle? | Inversion |
Which decubitus position will you place the patient in to demonstrate fluid in the right pleural cavity? | right lateral decubitus |
What is the CR angulation and direction for the neer method of the shoulder? | 10 to15 degrees, caudad |
The AP oblique projection/internal rotation position of the wrist best demonstrate which carpal bone? | pisiform |
Which anterior oblique position will best demonstrate the right lung? | left anterior oblique |
Which carpal bone should be included in all radiographs of the 1st digit? | trapezium |
What is the projection for the stecher method? | posteroanterior axial |
What is the projection for the coyle method? | axiolateral |
Which is the most appropriate method/projection for demonstration of a dislocated shoulder? | scapular y |
For the AP Axial erect posterior position of the chest the CR will be angled ____ degrees and will be located at the _____. | 15 to 20, midsternum |