MAC EXAM PREP 4 QUESTIONS WITH
COMPLETE SOLUTIONS
The ______ on an ECG reflects ventricular heart depolarization. - ANS ✔✔QRS wave
The universal standard speed for recording an ECG is: - ANS ✔✔25 mm/second
What is the purpose of performing a specific gravity on a urine sample? - ANS ✔✔It measures
its density when compared with distilled water.
All the following demonstrate quality control EXCEPT: - ANS ✔✔treating every customer
properly
The ________ is the pacemaker of the heart. - ANS ✔✔SA node
Which of the following commonly used disinfectants is used in the medical field and found to be
effective against bloodborne pathogens? - ANS ✔✔bleach
Which of the following is the most appropriate method for disposing of contaminated needles?
- ANS ✔✔Place it in a biohazard sharps container located in the room where used.
The most important step in achieving medical asepsis is: - ANS ✔✔washing hands
Which of the following solutions will help prevent the transmission of hepatitis? - ANS
✔✔household bleach
, How often should quality control tests be done for procedures performed in the office? - ANS
✔✔daily
Which organization developed the guidelines for universal precautions? - ANS ✔✔CDC
According to OSHA, medical personnel must wear PPE (personal protective equipment) when
they have contact with: - ANS ✔✔blood
To detect pregnancy, either urine or blood serum is tested for the presence of: - ANS ✔✔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? - ANS ✔✔Void a specimen
midstream in a sterile cup.
If a urine specimen is collected and then left standing for more than 1 hour, bacteria will grow,
and the pH of the urine will soon become: - ANS ✔✔alkaline
The pH range for normal urine is - ANS ✔✔4.5 to 8.0
If a patient normally drinks 10 or more 8-oz glasses of water each day; urine would most likely
be which color? - ANS ✔✔straw
Urine needs to be collected in which type of container if it is collected for bacterial culture? -
ANS ✔✔sterile
A routine analysis of urine is made up of which of the following sets of examinations? - ANS
✔✔microscopic, chemical, physical
COMPLETE SOLUTIONS
The ______ on an ECG reflects ventricular heart depolarization. - ANS ✔✔QRS wave
The universal standard speed for recording an ECG is: - ANS ✔✔25 mm/second
What is the purpose of performing a specific gravity on a urine sample? - ANS ✔✔It measures
its density when compared with distilled water.
All the following demonstrate quality control EXCEPT: - ANS ✔✔treating every customer
properly
The ________ is the pacemaker of the heart. - ANS ✔✔SA node
Which of the following commonly used disinfectants is used in the medical field and found to be
effective against bloodborne pathogens? - ANS ✔✔bleach
Which of the following is the most appropriate method for disposing of contaminated needles?
- ANS ✔✔Place it in a biohazard sharps container located in the room where used.
The most important step in achieving medical asepsis is: - ANS ✔✔washing hands
Which of the following solutions will help prevent the transmission of hepatitis? - ANS
✔✔household bleach
, How often should quality control tests be done for procedures performed in the office? - ANS
✔✔daily
Which organization developed the guidelines for universal precautions? - ANS ✔✔CDC
According to OSHA, medical personnel must wear PPE (personal protective equipment) when
they have contact with: - ANS ✔✔blood
To detect pregnancy, either urine or blood serum is tested for the presence of: - ANS ✔✔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? - ANS ✔✔Void a specimen
midstream in a sterile cup.
If a urine specimen is collected and then left standing for more than 1 hour, bacteria will grow,
and the pH of the urine will soon become: - ANS ✔✔alkaline
The pH range for normal urine is - ANS ✔✔4.5 to 8.0
If a patient normally drinks 10 or more 8-oz glasses of water each day; urine would most likely
be which color? - ANS ✔✔straw
Urine needs to be collected in which type of container if it is collected for bacterial culture? -
ANS ✔✔sterile
A routine analysis of urine is made up of which of the following sets of examinations? - ANS
✔✔microscopic, chemical, physical
