Which of the following is found in the ground substance of connective tissues?
A. Proteoglycans
B. Collagen
C. Keratin
D. Reticular fibers
E. Elastic fibers
A. Proteoglycans
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Which is not correct regarding the development of the endocrine system?
A. The adrenal medulla develops from neural crest cells. B. The hypophyseal pouch and neurohypophyseal bud combine to form the pituitary gland. C. The thyroid gland initially forms as a mass that is part of the developing tongue. D. The thyroid gland becomes functional by weeks 10?12 of development. E. The adrenal cortex has portions derived from all three embryonic germ layers.
Injury to the hypothalamus may result in all of the following EXCEPT ________
A) loss of fine motor control B) loss of body temperature control C) sleep disturbances D) dehydration
Which of the following pairs of terms is correct?
A) facial, CN V B) oculomotor, CN IV C) glossopharyngeal, CN XI D) vagus, CN X
When the blood pressure of a vessel drops below the critical closing pressure for that vessel,
A. the vessel expands. B. there is hypertension. C. there is an increase in peripheral resistance. D. there is an increase in blood flow. E. the vessel collapses.