Sympathetic stimulation of cholinergic fibers in the arterioles of skeletal muscle will produce ________.
A. vasodilation
B. no effect
C. vasoconstriction
Answer: A
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Farsightedness that is due to the aging process is known as ________
A) Hyperopia B) Myopia C) Presbyopia D) Amblyopia
Muscles that are used for precisely controlled movements generally contain large motor units
Indicate whether this statement is true or false.
Proteins and mRNA exit the nucleus via ________.
A. centromeres B. nuclear pores C. endoplasmic reticulum D. vesicles
Which is false regarding the effects of aging on the excretory system?
A. The glomerular filtration rate decreases. B. Drugs are cleared less efficiently with age, so drugs remain in circulation longer. C. Responsiveness to ADH increases in the elderly. D. The size of the kidneys and the number of functioning nephrons decrease.