Sperm are produced in the
A. rete testis.
B. epididymis.
C. seminal vesicles.
D. seminiferous tubules.
E. efferent ductules.
Answer: D
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At the splenic flexure, the colon becomes the
A) ascending colon. B) transverse colon. C) descending colon. D) sigmoid colon. E) rectum.
There are three phases of gastric secretion. The cephalic phase occurs ________.
A) before food enters the stomach and is triggered by aroma, sight, or thought B) immediately after food enters the stomach, preparing the small intestine for the influx of a variety of nutrients C) at the end of a large meal, and the juices secreted are powerful and remain in the GI tract for a long period of time D) when the meal is excessively high in acids and neutralization is required
Which would NOT occur as a result of the blockage of action potential propagation through the bundle of His?
A. There would be a slowing of the frequency of contraction of the ventricles. B. The atria would contract more frequently than the ventricles. C. The SA node would no longer set the pace for atrial contraction. D. The atria and ventricles would no longer beat in synchrony. E. The Purkinje fibers would not receive their typical action potentials from the bundle branches.
Yolanda, a yoga instructor, tells her class to stretch the muscles of the side of the trunk by instructing them to perform ___
A. opposition. B. adduction. C. lateral flexion. D. extension. E. elevation.