When a muscle undergoes atrophy in response to disuse
A. the size of actin and myosin filaments decreases.
B. the muscle swells.
C. capillaries and vessels rupture.
D. motor neurons grow and invade abnormally.
Answer: A
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Vitamin ________ promotes the cross-linking of collagen molecules in bone and other connective tissue.
Fill in the blank(s) with the appropriate word(s).
Aging-related decreases in drug metabolism and excretion can lead to ________.
A. a need for greatly increased doses of a drug B. reduced need for prescription drug use C. increased benefits from taking a drug D. toxic accumulation of a drug in the body
Which is not among the bones in the proximal row of carpals?
A. Triquetrum B. Lunate C. Scaphoid D. Trapezoid E. Pisiform
Use the following key to choose the most correct answer.A. The first item is greater than the second item.B. The first item is less than the second item.C. The first item is equal or nearly equal to the second item.(1) Velocity of blood flow in the arterioles(2) Velocity of blood flow in the aorta
Fill in the blank(s) with the appropriate word(s).