Which sphincter is composed of skeletal muscle between the pharynx and esophagus?
A) sphincter of Oddi
B) pyloric sphincter
C) upper esophageal sphincter
D) lower esophageal sphincter
E) external anal sphincter
Correct Answer:
Verified
Q129: Mucus is secreted by which cell?
A) parietal
Q130: Which sphincter is composed of smooth muscle
Q131: Which sphincter is composed of skeletal muscle
Q132: Intrinsic factor is produced where?
A) G cell
B)
Q133: Where are the gastric pits found?
A) large
Q135: Which of the following structures is continuous
Q136: Sinusoids are openings where blood flows through
Q137: What sphincter is composed of smooth muscle
Q138: Which sphincter is composed of smooth muscle
Q139: Which cell secretes gastrin into the bloodstream?
A)
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