Which of the following is NOT a component of a negative feedback mechanism?
A. Stabilizer
B. Control center
C. Effector
D. Receptor
Answer: A
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Which are the midbrain nuclei that produce dopamine, and thereby affect motor control?
A. Red nuclei B. Substantia nigra C. Cerebral nuclei D. Arcuate nuclei
Epidural anesthesia is introduced to the epidural space between the ________ to block pain signals during pregnancy.
A. arachnoid mater and pia mater B. dural sheath and dura mater C. dural sheath and vertebral bones D. dura mater and pia mater E. dura mater and arachnoid mater
Insoluble deposits that form within the urinary tract from calcium salts, magnesium salts, or uric acid are called kidney stones or renal
A) calculi. B) plaque. C) caries. D) otoliths. E) lithotrophs.
Which of the following transport processes requires cell energy?
a. osmosis b. dialysis c. pinocytosis d. both A and B above