Which sphincter is composed of skeletal muscle between the anus and external environment?
A) external anal sphincter
B) lower esophageal sphincter
C) sphincter of Oddi
D) upper esophageal sphincter
E) internal anal sphincter
Correct Answer:
Verified
Q126: Which cell secretes pepsinogen?
A) G cell
B) neck
Q127: Which sphincter is composed of smooth muscle
Q128: Islets of Langerhans are highly vascularized bits
Q129: Mucus is secreted by which cell?
A) parietal
Q130: Which sphincter is composed of smooth muscle
Q132: Intrinsic factor is produced where?
A) G cell
B)
Q133: Where are the gastric pits found?
A) large
Q134: Which sphincter is composed of skeletal muscle
Q135: Which of the following structures is continuous
Q136: Sinusoids are openings where blood flows through
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