The cecum and the vermiform appendix are physically located in the
A) right lumbar region.
B) left lumbar region.
C) right inguinal region.
D) hypogastric region.
E) left inguinal region.
Answer: C
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Which of the following occurs during an erection?
A) The veins of the corpora cavernosa dilate. B) The parasympathetic nervous system dilates the arteries going into the penis. C) Blood fills the corpora spongiosum, causing it to engorge. D) The sympathetic nervous system constricts the veins leaving the penis.
Which cytokine released by macrophages acts on the hypothalamus to raise the body temperature during fever?
a) Interleukin-1 b) Interleukin-2 c) Interleukin-4 d) Gamma interferon e) Perforin
Levels of ________ could not be measured in a blood sample.
A. amino acids B. glycogen C. fatty acids D. glucose
Which of the following is an accurate comparison of skeletal muscle to smooth muscle?
A) Smooth muscle contracts and relaxes more slowly. B) Smooth muscle depends on a nerve fiber to supply the calcium needed for contraction. C) Smooth muscle contracts more rapidly but relaxes more slowly. D) Smooth muscle consumes more ATP to maintain a given level of muscle tension. E) Smooth muscle contracts more slowly but relaxes more rapidly.