The most common chemical reagent used in North America to alter reagent red blood cells is the enzyme
a. bromelin
b. ficin
c. papain
d. trypsin
Answer: b
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Which of the following statements regarding water supplies is LEAST accurate?
A. Storage tanks may be used as a secondary water supply. B. The primary water supply must be from a private source. C. The primary water supply is often the only supply available. D. A secondary water supply may be required in some instances.
To detect a posterior myocardial infarction on the standard 12-lead, look for:
A) ST segment depression in I, II, III B) ST segment depression in V1, V2, V3, V4 C) ST segment depression in V5, V6, I, aVL D) ST segment depression in II, III, aVF
Quality procedures for phlebotomy services do not involve turnaround times
Indicate whether this statement is true or false.
Which nerve could be damaged during lung decortication resulting in paralysis or partial paralysis of the diaphragm?
a. accessory b. hypoglossal c. phrenic d. vagus