In males, the labioscrotal swellings form the
A. scrotum and root of the penis.
B. scrotum and testes.
C. scrotum and dorsal side of the penis.
D. scrotum and ventral side of the penis.
E. scrotum.
Answer: E
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When viewing a dissected heart, it is easy to visually discern the right and left ventricles by ________
A) tracing out where the auricles connect B) locating the base C) noticing the thickness of the ventricle walls D) finding the papillary muscles
Which of the following conditions might result in the back flow of blood through a weakened mitral valve?
A. High pressure in the left ventricle, low pressure in the left atrium B. High pressure in the left atrium, low pressure in the left ventricle C. High pressure in the right ventricle, low pressure in the right atrium D. High pressure in the right atrium, low pressure in the right ventricle
A friend who has GERD tells you that her doctor suggested she sleep on her left side at night. Why?
A. The stomach sits largely on the left side so lying on your left side helps keep the contents in the stomach away from the lower esophageal sphincter. B. The stomach sits largely on the right side so lying on your left side helps keep the contents in the stomach away from the lower esophageal sphincter. C. The stomach sits largely on the left side so lying on your left side helps keep the contents in the stomach away from the lower pyloric sphincter. D. The stomach sits largely on the right side so lying on your left side helps keep the contents in the stomach away from the lower pyloric sphincter.
In the postabsorptive state, the central nervous system uses which of the following as its PRIMARY source of energy?
a. fatty acids b. amino acids c. glucose d. glycerol e. ketones