Which of the following is most commonly used to cleanse the skin before drawing blood?
A. Alcohol
B. Soap and water
C. Hibiclens
D. Hydrogen peroxide
E. 10% bleach
A. Alcohol
Alcohol is the most commonly used chemical for cleansing skin before drawing blood. For tests in which alcohol may interfere, povidone-iodine or benzalkonium chloride is used instead.
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What drives the bicarbonate buffer systems enormous ability to buffer acids?
a. The fact that H2CO3 is a strong buffer b. The Henderson-Hasselbalch equation c. The large amounts of 2,3-DPG in red blood cells d. Ventilation continually removing CO2 from system
.________________________________ Gossip is needless chatter that can lead to rumors, especially pertaining to someone's personal life
Indicate whether the statement is true or false.
On the deposit slip, cash is considered to be ________.
A. Bills only B. Bills and coins C. Coins only D. Checks
Which of the following is used during an assessment to safely hold up a weak patient while standing, walking, and transferring?
A. Brace B. Cast C. Gait belt D. Prosthetic