Renin converts
A. angiotensinogen to angiotensin I.
B. angiotensin II to angiotensin I.
C. antiotensin I to antiotensin II.
D. antidiuretic hormone to angiotensin.
E. antidiuretic hormone to angiotensinogen.
Answer: A
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The unitary displacement of the myosin refers to
A) How many actins are displaced by myosin. B) How far along the actin filament the myosin can move in one cycle. C) How many units of time pass during one cross-bridge cycle. D) How much time the myosin stays bound to the actin before it is displaced.
Baroreceptors that function in maintaining adequate blood flow to the brain are located in the
A) carotid sinus. B) brain stem. C) left ventricle. D) common iliac artery. E) aortic bodies.
As the size of the receptor field gets smaller, the ability to localize a specific stimulus
A) improves. B) diminishes. C) is not affected. D) cannot be determined.
In females, follicle stimulating hormone will be increasing when ________.
A. menstruation occurs B. a follicle is in the process of ovulating C. a follicle is maturing D. the corpus luteum is secreting progesterone