Which of the following substances would be nearest the pH of human blood?
A) milk, pH ? 6.5
B) pure water, pH ? 7
C) tomato juice, pH ? 4
D) wine, pH ? 3
E) stomach secretions, pH ? 1
B) pure water, pH ? 7
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Water intoxication can be due to
A. excessive sweating. B. loss of too much water. C. excessive consumption of low-sodium sports drinks. D. excessive consumption of pure water.
A female pelvis, when compared to a male's has a
A) more lateral acetabulum. B) greater angle of pubic arch. C) heavier bones. D) taller public symphysis. E) heart-shaped pelvic outlet.
Which of the following is NOT true of corticospinal fibers?
A. They may synapse directly on alpha motor neurons. B. They may synapse directly on gamma motor neurons. C. They may synapse directly on interneurons. D. They are collectively sometimes called the extrapyramidal system. E. They may synapse with afferent neurons in ascending pathways.
Each lobule of a testis contains several highly coiled ________, which produce sperm.
A. interstitial tubules B. seminiferous tubules C. testicular septa D. epididymal tubules