Receptor potentials
a. are always depolarizations
b. are graded potentials
c. have refractory periods
d. are always action potentials
e. are not any of the above
B
Anatomy & Physiology
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A) retinal. B) opsin. C) rhodopsin. D) transducin. E) cGMP.
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Which of the following is produced in the ovary and then leaves the ovary?
A. testosterone B. corpus luteum C. secondary oocyte D. FSH E. menstrual blood
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Label A represents the
A) pulmonary trunk. B) ascending aorta. C) right pulmonary arteries. D) right pulmonary veins. E) superior vena cava.
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Which substance is not reabsorbed by the proximal convoluted tubule?
A. Glucose B. Sodium C. Water D. Potassium E. Creatinine
Anatomy & Physiology