CORRECT ANSWERS 2025
what represents ventricular heart depolarization on an EKG? - CORRECT ANSWER -QRS wave
what is the universal standard speed for recording an EKG? - CORRECT ANSWER -
25mm/second
which organization developed the guidelines for universal precautions - CORRECT ANSWER -
CDC
normal pH for urine - CORRECT ANSWER -4.5-8.0
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 ha
ndled in which manner? - CORRECT ANSWER -tested within 1 hour of collection
which color on a vacuum top indicates that the blood specimen will be used for cultured -
CORRECT ANSWER -yellow
what are bioethics concerned with ? - CORRECT ANSWER -
moral controversy over biomedical technology
what is the principal reason for bracing the hand holding the needle assembly against the pt ar
m 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, thi
s may be an indication of which condition? - CORRECT ANSWER -diabetes melitus
when would a capillary blood sample be diluted with tissue fluid - CORRECT ANSWER -
if the finger is squeezed excessively
never leave a tourniquet on the arm for how many seconds - CORRECT ANSWER -60 seconds
what is the primary purpose for anchoring a vein in performing a venipuncture -
CORRECT ANSWER -to prevent it from rolling
what angle should your needle be positioned to perform a venipuncture - CORRECT ANSWER -
15 degree angle with the bevel up
Diplomacy - CORRECT ANSWER -
initiating and responding in a calm professional manner with others
which color topped tubed is used to test specimens for tests requiring serums -
CORRECT ANSWER -Red
what is the usual size of the needle being used when performing a venipuncture -
CORRECT ANSWER -1 1/2 inch 21 gauge
what is the purpose of the plastic collection tube holder - CORRECT ANSWER -
aid insertion and withdrawal of blood vacuum tubes
what is the term for the relaxing phase of the cardiac cycle - CORRECT ANSWER -repolariztion