The prototype drug of the histamine H2-receptor antagonists is:
A. docusate sodium (Colace)
B. chloroquine (Aralen)
C. misoprostol (Cytotec)
D. cimetidine (Tagamet)
D
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The synapse between a lower motor neuron and a skeletal muscle cell is called a:
a. Neuromuscular junction b. Motor point c. Muscle spindle d. Motor end plate
Indications for pulse oximetry include which of the following?
1. To assess changes in HbO2 during certain procedures 2. To measure abnormal Hb 3. To comply with external regulations or recommendations 4. To monitor the adequacy of HbO2 saturation a. 1 and 4 only b. 1, 2, and 4 only c. 1, 3, and 4 only d. 1, 2, 3, and 4
Which of the following BEST defines "atrophy"?
structuresa. b. Also known as "Achilles reflex," this test reveals the rate of contraction of the calf muscles and tendons when the Achilles tendon is struck; tests the neurologic reflexes that occur when the Achilles tendon is sharply struck by a physician during a physical examination c. The decrease of mass in a muscle, organ, or other tissue, most often caused by changes in nutrition or disease c. d. An abnormal tightening or shortening of muscles, usually in the extremities, that permanently limits the movement of the body part
Under which circumstance is it sufficient to rely strictly on odor to determine the presence of a chemical agent?
a. the specific material has been identified b. there is no such circumstance c. no other means of detection is available d. the odor is detected outside the isolation perimeter