Choose the structure or substance that is NOT a barrier to acid and pepsin damage in the stomach.
A. Gap junctions between epithelial cells
B. Bicarbonate
C. Adherent layer of mucus
D. Rapid turnover of epithelial cells
Answer: A
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A patient with high blood pressure is put on a vasodilator, which causes blood vessels to dilate. One of the side effects will be pale, cool skin.
Answer the following statement true (T) or false (F)
Joe begins to experience mood swings and disturbed thirst and hunger. Imaging studies indicate that a brain tumor is the likely cause of these disorders. In what part of the brain is the tumor most likely located?
A) prefrontal cortex B) postcentral gyrus C) basal nuclei D) hypothalamus E) reticular formation
About 90% of the secretory product released from the thyroid gland is in the form of
a. T3 b. T4 c. MIT d. DIT e. TSH
A prominent lateral muscle of the neck that can cause flexion of the neck or rotate the head is the
a. digastric b. mylohyoid c. sternocleidomastoid d. buccinator e. platysma