The only fuel source for neurons under normal circumstances is ________. Low blood levels of this is termed ________, which can lead to confusion, unconsciousness, and eventually death. In order to synthesize enough ATP to continually transport ions, the neurons also exhibit high rates of ________ consumption. To supply these needs about ________% of the blood pumped by the heart goes to the

brain.

Fill in the blank(s) with the appropriate word(s).


glucose; hypoglycemia; oxygen; 15

Anatomy & Physiology

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If the osmotic pressure of the blood plasma is decreased, the glomerular filtration rate is

increased. Indicate whether the statement is true or false

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A sheep is calle a

a. bovine c. caprine b. porcine d. ovine

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Stimulation of granular cells by the sympathetic nervous system causes them to

A. release calcitriol. B. increase endocytosis. C. contract. D. relax.

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The myelin sheaths of PNS neurons are produced by ________.

A. oligodendrocytes B. Schwann cells C. ependymal cells D. leukocytes

Anatomy & Physiology