Which of the following would NOT assist in establishing a resting membrane potential?
A) Having greater concentration of glycolipids on the outside surface of the membrane.
B) Selective diffusion allowing more uncharged particles into the cell.
C) Selective diffusion allowing more positively charged ions to diffuse out of the cell.
D) Selective diffusion allowing fewer positively charged ions to diffuse into the cell.
B
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Which of the following hormones is NOT usually secreted at higher levels in response to stress?
A. aldosterone B. gonadotropins C. vasopressin D. antidiuretic hormone (ADH) E. beta-endorphin
Which of the following cranial nerves has a parasympathetic component?
A. facial B. trochlear C. trigeminal D. hypoglossal E. accessory
Blood pressure would decrease if either the heart rate or stroke volume decreased.
Answer the following statement true (T) or false (F)
Which of the following does not occur to compensate for a fall in blood pressure below normal?
a. cardiac output is increased. b. total peripheral resistance is decreased. c. heart rate is increased. d. venous vasoconstriction occurs. e. stroke volume is increased.