Which of these is not a feature of the muscosa of the gastro - intestinal tracts?
(a) lamina propria
(b) goblet cells
(c) myentric plexus
(d) plicae circulares
Ans: (c) myentric plexus
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The largest part of the brain is the
A. pons. B. cerebellum. C. midbrain. D. cerebrum.
Protrusion of an organ through a structure that normally contains it is referred to as a
a) hernia. b) goiter. c) strain. d) sprain. e) hydrocele.
Which of the following is not found in thick skin?
a. stratum corneum b. stratum lucidum c. sweat glands d. typical sebaceous glands
What is a power stroke?
A. The grabbing hold of the actin active sites by myosin B. The binding of ATP to myosin C. Myosin pulling on actin to draw Z-lines toward the center, shortening the sarcomere D. The electrical impulse that travels down the nerve cell to stimulate the muscle cell