Which structure prevents gastric reflux?
A) Pyloric valve
B) Ileocecal valve
C) Lower esophageal sphincter
D) Anal sphincter
Correct Answer:
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Q15: What is the site of most chemical
Q16: Which of the following form(s) the large
Q17: Which organ secretes the most potent of
Q18: Which of the following best describes why
Q19: Bile is not found in which structure?
A)Cystic
Q21: Which organ produces bile and secretes it
Q22: Emulsification is most associated with which substance?
A)Trypsin
B)Hydrochloric
Q23: Deglutition refers to
A)chewing.
B)peristalsis.
C)swallowing.
D)burping.
Q24: Gastrin,secretin,and cholecystokinin are
A)secreted by the stomach.
B)amylases.
C)emulsifying agents.
D)hormones.
Q25: Enamel,dentin,and cementum are related to which structure?
A)Tooth
B)Liver
C)Colon
D)Villi
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