AMCA Medical Practice 2
Which of the type on an ECG reflects ventricular heart depolarization? - correct answer-QRS
wave
What is the universal standard speed for recording an ECG? - correct answer-25mm/second
What is the purpose of performing a specific gravity on a urine sample? - correct answer-It
measures its density when compared with distilled water
All of the following demonstrate quality control. What is the exception? - correct
answer-Treating every customer properly
What is the pacemaker of the heart? - correct answer-SA node (sinoatrial node)
Which of the following commonly used disinfectants is used in the medical field and found to
be effective against bloodborne pathogens? - correct answer-Bleach
Which of the following is the appropriate method for disposing of contaminated needles? -
correct answer-Place it in bio-hazard sharps container located in the room where used
What is the most important step in achieving medical asepsis? - correct answer-Washing
Hands
Which of the following solutions will help prevent the transmission of hepatitis? - correct
answer-Household bleach
How often should quality control tests be done? - correct answer-Daily
Which organization developed the guidelines for universal precautions? - correct
answer-CDC
According to OSHA, medical personnel must wear PPE when they have contact with which
of the following? - correct answer-Blood
To detect pregnancy, either urine or blood serum is tested for the presence of which of the
following? - correct answer-HCG hormone
A bacteriological culture needs to be performed on a collected urine specimen. Which of the
following instructions best describe what your patient should do? - correct answer-Void a
specimen midstream in a sterile cup
A urine specimen was collected and then left standing for more than 1 hour. Bacteria grew,
and the pH of the urine became which of the following? - correct answer-Alkaline
What is the pH range for normal urine?? - correct answer-4.5 to 8.0
, If a patient normally drinks ten or more 8-oz glasses of water each day, urine would most
likely be which color? - correct answer-Straw
Urine needs to be collected in which type of container if it is collected for bacterial culture? -
correct answer-Sterile
A routine analysis of urine is made up of which of the following sets of examinations? -
correct answer-Microscopic, Chemical, Physical
To prevent a urine sample from becoming an unreliable pH sample, the specimen should be
handled in which manner? - correct answer-Tested within 1 hour of collection
Which color on a vacuum tube top indicates that the blood specimen will be used for
cultures? - correct answer-Yellow
When placing a urine specimen tube into the centrifuge for later creating a wet mount, where
should you place an identical tube containing water in that same centrifuge? - correct
answer-Directly opposite the tube containing the urine specimen
What are bioethics concerned with? - correct answer-moral controversy over biomedical
technology
What is the principle of the hand holding the needle assembly against the patient's arm
during phlebotomy? - correct answer-Prevent excess needle movement
When a reagent strip is used to test a urine specimen and the result is positive for ketones,
this may be an indication of which condition? - correct answer-Diabetes Mellitus
What is the term for the measure of the degree of acidity or alkalinity of urine? - correct
answer-pH
Which of the following steps listed is not appropriate when performing a capillary puncture? -
correct answer-placing a tourniquet around the finger
When would a capillary blood sample be diluted with tissue fluid? - correct answer-If the
finger is squeezed excessively
Where is the most common micropuncture site on an adult? - correct answer-Ring Finger
To transport oxygen and carbon dioxide to and from the body's cells, what do erythrocytes
need? - correct answer-Hemoglobin
Which of the following is not a reason not to perform a hemaglobin? - correct answer-To
detect inflammation
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