Ketamine is considered a _____.
A. stimulant
B. dissociative anesthetic
C. hallucinogen
D. anxiolytic
Answer: B
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CD8+ T cells exposed to MHC class I peptides are
A. cytotoxic T cells. B. helper T cells. C. both cytotoxic T cells and helper T cells. D. natural killer cells. E. dendritic T cells.
The patient had a positive reaction to the Mantoux test. What test would the physician order next for this patient?
A) culture and sensitivity of the throat B) pulmonary function tests to measure breathing capacity C) arterial blood gases to determine the level of oxygen D) chest x-ray to identify active tuberculosis
branched chain amino acids are metabolized mainly in
A. liver B. muscle C. kidney D. heart
A cool-down period following heavy exercise is important in ________
A. returning "pooled" blood from the exercising skeletal muscle back to central circulation. B. allowing the individual to reduce brain blood flow back to normal. C. preventing muscle cramps. D. preventing heat stroke.