Sildenafil (Viagra) prolongs erection by ________
A) stimulating production of cGMP
B) activating nitric oxide (NO) production
C) inactivating guanylate cyclase
D) inhibiting nitric oxide (NO) production
E) inhibiting degradation of cGMP
E
Anatomy & Physiology
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The term meaning programmed cell death is
A) oncogenesis. B) diuresis. C) cytocide. D) necrosis. E) apoptosis.
Anatomy & Physiology
What portion of the eye may become icteric in patients with hepatitis?
A) Iris B) Sclera C) Cornea D) Conjunctiva
Anatomy & Physiology
The first heart sound, "lub," is caused by the closure of the ________ valves
A) semilunar B) pulmonary C) atrioventricular (AV) D) aortic
Anatomy & Physiology
Which is not a carpal bone?
A. Scaphoid B. Trapezium C. Trapezoid D. Capitulum E. Hamate
Anatomy & Physiology