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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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
Removal of the eyeball is termed:
A) orbectomy B) blepharectomy C) enucleation D) biopsy
Define Horner's syndrome
What will be an ideal response?