Which of the following cranial nerves innervates the muscles that cause motion of the eyeballs and upper eyelids?
A) Optic
B) Ophthalmic
C) Oculomotor
D) Trigeminal
Answer: C) Oculomotor
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A general term for pain and stiffness that affects the skeletal or muscular system is
A) rheumatism. B) atherosclerosis. C) bursitis. D) bunions. E) arthritis.
Cilia are found
A) mostly in muscle cells. B) on the inside of cell membranes. C) in large numbers on cells that secrete hormones. D) in cells that are required to move fluids or secretions along the cell surface. E) only on cells lining the reproductive tract.
Which of the following conditions might result in the back flow of blood through a weakened mitral valve?
A. High pressure in the left ventricle, low pressure in the left atrium B. High pressure in the left atrium, low pressure in the left ventricle C. High pressure in the right ventricle, low pressure in the right atrium D. High pressure in the right atrium, low pressure in the right ventricle
Which of the following does not contribute to the large surface area available for nutrient absorption in the small intestine?
A. Circular folds B. Intestinal length C. Microvilli D. Villi E. Rugae