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Which of the following on an ECG reflects ventricular heart depolarization?
Correct Answer - QRS Wave
What is the universal standard speed for recording an ECG? Correct Answer
- 25 mm/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 - Sinoatrial node (SA
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 most appropriate method for disposing of
contaminated needles? Correct Answer - Place it in a biohazard 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 for procedures performed in
the office? Correct Answer - Daily
Which organization developed the guidelines for universal precautions?
Correct Answer - CDC
, According to OSHA, medical personnel must wear PPE (personal protective
equipment) 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 - 4.5-8.0
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 specimen 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