The best fetal position for birth is the:
A) vertex position. B) breech position.
C) nonvertex position. D) buttocks-first position.
Answer: A
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Emphysema results in
A. cancer of the lung. B. decreased number of respiratory capillaries. C. backflow of capillary fluids into the alveoli. D. constriction of the bronchioles.
If the right sternocleidomastoid contracts unilaterally, the resulting movement will be
A. lateral flexion of the head to the right and rotation of the head to the left. B. lateral flexion of the head to the left and rotation of the head to the right. C. lateral extension of the head to the right and rotation of the head to the left. D. lateral extension of the head to the left and rotation of the head to the right.
The ______________________________ contain a liquid and delicate hairlike cells that bend when the liquid is set in motion by movement of the head or body.?
Fill in the blank(s) with correct word
Protection for the interior surface of the stomach against the acids and enzymes in the gastric lumen is afforded by
A) the carpet of mucus secreted by the columnar epithelium lining all portions of the stomach. B) the shallow depressions called gastric pits. C) the rapid rate of mechanical mixing of the stomach contents, which exposes the lining to chyme for only a short time. D) the esophageal sphincter. E) None of the answers are correct.