A fiber passing through a gray ramus is most likely to be
A) sympathetic.
B) heading toward the body wall.
C) carrying an action potential that will cause NE release.
D) unmyelinated.
E) All of the answers are correct.
E) All of the answers are correct.
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What is the rate-limiting (regulated) step for stimulating the secretion of aldosterone?
A. Secretion of angiotensinogen by the liver B. Secretion of ACTH by the anterior pituitary C. Secretion of angiotensin II by the kidney D. Conversion of angiotensinogen to angiotensin I in the blood E. Conversion of angiotensin I to angiotensin II in the blood
Depth of field is ________
A) greatest at high power and increases as magnification increases B) greatest at high power and decreases as magnification increases C) greatest at scanning power and decreases as magnification increases D) greatest at low power and increases as magnification increases
In a nerve, what structure does the axon originate from?
A) the axon hillock B) the soma C) the dendrite D) the neurofibrils
Which of the following blood vessels supplies blood to the diaphragm?
A. axillary artery B. intercostal artery C. superior phrenic artery D. inferior mesenteric artery E. gastric artery