Joshua has been complaining about pyrosis after his meals. Which of the following is probably the primary cause of this condition?
A. Peristalsis is too slow.
B. The cardiac sphincter contracts too often.
C. The bolus of food in the esophagus is too big.
D. The lower esophageal sphincter remains open for too long.
Answer: D
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A 30-year-old woman sustains a stage 4 tear in the per- ineum during a difficult delivery. In preparation to repair the tear, an anesthetic nerve block is administered to the pudendal nerve as it courses around the sacrospinous liga- ment. Which of the following areas is most likely blocked by the anesthetic?
A. L2-L4 cutaneous field B. S1 cutaneous field C. S2-S4 cutaneous field D. L2-L4 dermatomes E. S1dermatome
What is a good way to manage time in preparation for your anatomy and physiology class?
A) I should stay up all night the night before the test to maximize what is stored in short-term memory. B) I make a schedule and budget my time. C) I study only on the weekends when I have many hours of free time. D) I should delay studying until the day or two before the test to best remember the material.
The lining of the heart and blood vessels is called
A) endothelium. B) mesothelium. C) perithelium. D) metothelium. E) ectothelium.
Which of the following bones is not part of the face?
a. frontal b. zygomatic c. lacrimal d. maxilla