The AV node's primary function in a normally functioning, healthy heart is to:
a. connect the atria and ventricles.
b. delay conduction between the atria and ventricles.
c. separate the atria and ventricles.
d. initiate electrical impulses.
B
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For blood urea nitrogen (BUN) and creatinine values:
a. serum creatinine is a protein produced in the kidneys. b. BUN and serum creatinine values that are higher than the normal range indicate renal failure. c. urea is a waste product of carbohydrate metabolism in the intestines. d. BUN values that are below normal indicate renal failure.
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The gate control theory suggests that pressure anesthesia blocks the stimulation of non-nociceptive fibers
A) True B) False
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