The optimal pH range for the stomach enzyme pepsin is
A. 2-4.
B. 6-8.
C. 7.3-7.4.
D. 10-12.
E. 12.0-13.5.
A
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Removal of the eyeball is termed:
A) orbectomy B) blepharectomy C) enucleation D) biopsy
Define Horner's syndrome
What will be an ideal response?
Which is a physiological description rather than an anatomical one?
?A. The muscles of the intestinal wall contract slowly and involuntarily.? B. The walls of blood capillaries are composed of a thin epithelium.? C. The muscles of the thigh are composed of skeletal muscle tissue. ?D. There are fenestrations (openings) in the epithelial cells of capillary walls.?E. The esophageal wall includes a middle layer of dense irregular connective tissue.
Erection of the penis or clitoris ________.
A) is primarily under sympathetic control B) is primarily under parasympathetic control C) is the result of coordinated activation by both sympathetic and parasympathetic input D) depends very little on autonomic activation