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test knowledge 3
Question | Answer |
---|---|
Which of the following terms refers to the total amount of air that is exhaled from fully inflated lungs? | Forced vital capacity |
How many feet from the Snellen eye chart should a patient be placed for a visual acuity distance test? | 20 |
Which of the following types of injections produces a small wheal on the skin? | Intradermal |
To obtain accurate results, urine reagent test strips should be stored in which of the following locations? | in a refrigerator |
Which of the following terms best describes the method used in surgery to prevent contamination of the wound and operative site? | Aseptic technique |
If the baseline of an electrocardiogram is off center, the medical assistant should: | Adjust the stylus position |
Which of the following is the site of choice for a DPT injection of an infant? | Vastus lateralis |
Which of the following instruments is used to examine the interior of the eye? | Ophthalmoscope |
Which of the following agencies developed Standard Precautions to protect health care providers from communicable diseases? | OSHA |
Which of the following is the most appropriate time for a medical assistant to label a blood specimen container? | At the drawing station, immediately after collecting the specimen |
Which of the following is the most appropriate first step when treating a conscious patient who has hypothermia? | Cover the patient with warm blankets |
The presence of uric acid crystals in the urine is most indicative of which of the following types of disease? | Kidney |
Which of the following medications is most appropriate for a patient who is in cardiac arrest? | Antiarrhythmic |
During venipuncture, removing the needle before removing the tourniquet most commonly causes which of the following? | Hematoma |
Routine maintenance of which of the following equipment requires the use of a special cleaning solution and distilled water? | Autoclave |
Which of the following parts of a compound microscope contains the light source? | Base |
Which of the following is classified as an antiepileptic drug? | Dilantin (phenytoin) |
Which of the following characterizes the urinometer in the measurement of urine specific gravity? | Requirement for more urine |
The international normalized ratio (INR) is used in conjunction with which of the following tests? | Prothrombin time |
An increase in the level of the following substances in urine may indicate liver disease? | Urobilinogen |
Quality control for urine dipsticks should be performed how often? | Once a day |
Which of the following foods or beverages should be avoided for 3 days before stool occult blood testing? | Beef products |
Which of the following agents can be safely applied to skin to destroy pathogens? | Betadine |
All of the following objects should be placed on a sterile tray to assist a physician with a minor surgical procedure, except | sterile gloves |
Which of the following is NOT an appropriate hand washing technique when preparing to assist with a surgical procedure? | Holding the hands down |
Which of the following medications should be included on the medical office’s emergency cart? | Benadryl |
When testing for erythrocyte sedimentation rate (ESR), the tube must stand in a sedimentation rack for exactly how many minutes? | 60 minutes |
Cetirizine (Zyrtec) is used in the treatment of patients with which of the following? | Allergy |
Blood agar is a medium that is used when performing which of the following studies? | Culture |
A physician uses tuning forks during physical examination to do which of the following? | Check auditory acuity |
After centrifuging a patient’s blood sample, a medical assistant notes that the sample is hemolyzed. Which of the following has she observed? | Serum is pink tinged |
Which of the following terms refers to a portion of a urine sample that is removed for the purpose of testing? | Aliquot |
Which of the following hormone levels is measured to diagnose whether a woman is pregnant? | Human chorionic gonadotropin |
How often should measurement of normal and abnormal control specimens be performed? | Daily |
A medical assistant is sending a urine specimen to the laboratory. Which of the following should be included on the specimen label? | time the urine was collected |
Which of the following is a test for the presence of hidden blood in a stool sample? | FOBT (fecal occult blood test) |
Which of the following is the most appropriate position for rectal examination? | knee-chest |
Guidelines for surgical asepsis include which of the following actions? | Acknowledging that a sterile field has been contaminated |
Which of the following is the most appropriate first step in management after a patient faints? | Lay the patient flat with the head lower than the heart |
Which of the following best describes the critical component of effective sanitization? | Completing sanitization immediately after contamination |
Which of the following vital sign readings is considered abnormal? | Temperature 103.0°F (rectal) |
Which of the following substances is the most appropriate for treatment of a first-degree burn? | Cool water |
The circumference of the head should be measured during regular checkups until a child reaches which of the following ages? | 3 years |
Which of the following is most commonly seen on microscopic examination of urine specimens from a healthy individual? | Squamous epithelial cells |
Which of the following waves on the ECG tracing represents the recovery or repolarization of the ventricles? | T wave |
To obtain accurate results on spirometry, a patient should be advised to do which of the following? | Apply a nose clip |
The physician orders 75 mg of medication to be administered intramuscularly. The medication is available in 50 mg/mL vials. The medical assistant should administer: | 1.5 mL |
A 52-year-old man has acute pain in the lower back. Which of the following positions is most appropriate for examination of the patient? | Prone |
Cleaning of small-volume nebulizers at home, every day, prevents which of the following? | Contamination |
A newborn’s pulse is most accurately measured at which of the following sites? | Over the apex of the heart |
Drugs with no accepted medicinal use are classified as Schedule | I |
When performing a venipuncture, it is necessary to do which of the following? | Use a tourniquet |
Which of the following used items is classified as contaminated waste? | Disposable suture removal kit |
Which of the following studies does not expose patients to radiation? | Ultrasonography |
Which of the following terms is defined as “pulse pressure”? | Difference between systolic and diastolic blood pressure |
Which of the following artifacts is minimized when electrodes are placed on the fleshy parts of the upper arm? | Somatic interference |
To ensure proper walking, a walker should be level with the patient’s | Hip |
Which of the following describes the half-life of a drug? | Length of time required for half the amount of a drug to be eliminated |
Biohazardous waste must be collected in impermeable polyethylene bags that are of which color? | red |
Which of the following is the most likely source of contamination during a lumbar puncture? | Patient's skin |
Which of the following is the classification of drugs used to relieve itching? | Antipruritics |
When performing electrocardiography on an infant, which of the following chest leads should be placed on the right side of the chest? | V3 |
During venipuncture, the use of which of the following needle gauges is most likely to cause hemolysis? | 25 |
Which of the following classifications of drugs is used to prevent the cell growth of a malignant tumor? | Antineoplastic |
Which of the following is the most likely cause of a wandering baseline artifact on an electrocardiogram? | Moisturizing lotion on the patient's skin |
Which of the following drugs is classified as a diuretic? | Lasix (Flurosemide) |
Eating can cause an increase in which of the following serum levels? | Glucose |
How long should the hands be washed after contain an infectious patient? | At least 20 seconds |
A blood specimen in a vacuum tube with which of the following stopper colors should not be mixed after collection? | Red |
When using a microscope, the amount of light focused on an object can be controlled by the | Iris diaphragm |
When observing a patient’s gait, which of the following should be noted? | style of walking |
When performing urinalysis, fresh specimens should be examined within how many minutes after collection? | 60 minutes |
Which of the following leukocytes increases during an allergic reaction? | Eosinophils |
Which of the following is the most appropriate action if an instrument cannot be sanitized immediately after a surgical procedure? | Rinse under cold water |
Which of the following is designed to ensure consistent laboratory procedures and accurate test results? | Quality control |
Which of the following is the most effective method for the medical assistant to prevent the spread of infection from one patient to another? | hand washing after each patient |
Which of the following tubes is required for drawing blood to measure prothrombin time? | Sodium citrate (light blue) |
Elevation of which of the following levels is most definitive in confirming the diagnosis of pancreatitis? | Serum amylase |
Hepatitis B vaccine is administered in a series of how many injections? | 3 |
Which of the following doses sustains a level of a drug in the blood to achieve a desired effect? | maintenance |
The use of a refractometer for performing urinalysis will determine which of the following? | Specific gravity |
How much time is required for autoclave sterilization of instruments? | At least 15 minutes |
Which of the following medications is most appropriate for a 7-year-old child during an acute asthma attack? | Ventolin (albuterol) by nebulizer |
Which of the following is the most appropriate step when performing a capillary puncture? | discard the first drop of blood |
The need for increased doses of a medication in order to maintain the desired therapeutic effect is a result of | Tolerance |
Which of the following findings indicates a concentrated urine specimen? | Specific gravity of 1.030 |
Which of the following is the most appropriate method to obtain a sputum specimen? | Have the patient cough deeply and expel the material into a sterile container |
During urinalysis, a cloudy yellow appearance of the urine may indicate | Nephritis |
Which of the following is a screening test for kidney disease? | Blood urea nitrogen (BUN) |
Antiemetics are indicated for treating patients with which of the following? | Nausea |
Which of the following chest leads should be placed on the fourth intercostal space to the left sternal border? | V2 |
On a prescription, “SIG” represents which of the following? | Instructions |
Which of the following positions is most comfortable for a patient who is in respiratory distress? | Fowler's |
Which of the following culture mediums should be used for detection of Streptococcus? | Blood agar |
Which of the following is the most appropriate method of maintaining an airway in an unconscious adult who does not have a neck or spinal injury? | Perform the head-tilt, chin-lift maneuver |
Which of the following vaccines should be administered subcutaneously? | varicella |
Which of the following drugs is classified as asteroid? | Kenalog (triamcinolone) |
A twisting movement that brings a palm facing downward is called | pronation |
A medical assistant performing x-ray studies must wear which of the following to detect and record the amount of exposure to radiation? | Dosimeter |
A drop of potassium hydroxide (KOH) is added to a wet-mount preparation of vaginal secretions for which of the following reasons? | To visualize candida albicans |