Which of the following would be most helpful in treating hypocalcemia?
A) Removing the parathyroid glands
B) Avoiding foods that are high in calcium
C) Administering high doses of vitamin D and calcium salts
D) Stimulating calcium excretion by the kidneys
C
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Sperm production occurs in the
A) ductus deferens. B) seminiferous tubules. C) epididymis. D) seminal glands. E) rete testis.
A person's hands are exposed to a chemical that causes neurological damage. They begin to lose feeling in the skin of their palms and fingers, particularly the sense of fine touch. They no longer can differentiate textures in objects, nor can they tell when they are touching something. What skin structures must have been damaged?
A. The stratum basale of the epidermis B. Pacinian corpuscles C. Meissner's corpuscles D. Sebaceous glands
The total volume of blood in the body of a 70-kg man is approximately ________ liters.
A) 25-30 B) 1-2 C) 5-6 D) 2-4 E) 10-15
Which one of the following enzymes is incorrectly paired with its substrate?
A) Lipase: triglycerides B) Trypsin: proteins C) Amylase: polysaccharides D) Nuclease: oligosaccharides