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Chief cells cells secrete


A) Mucus
B) Gastrin
C) Vitamin B12
D) Intrinsic factor and HCl
E) Pepsinogen

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The uppermost part of the stomach is called the


A) Antrum
B) Pylorus
C) Corpus
D) Body
E) Fundus

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Receptive relaxation refers to


A) Relaxation of the orad parts of the stomach as part of the swallowing program
B) Relaxation of the orad parts of the stomach in response to stretch of the stomach
C) Relaxation of the LES as part of the swallowing program
D) Relaxation of the LES in response to stretch of the stomach
E) Relaxation of the stomach antrum in response to orad stomach contraction

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W hich of the following is NOT TRUE of Intinsic factor:


A) It is the only essential secretion of the stomach
B) It aids in the absorption of vitamin B12 (also called cobalamin)
C) It is secreted by the parietal cells
D) It requires pancreatic co-lipase for activity
E) It binds vitamin B12

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All of the following GI hormones inhibit gastric emptying EXCEPT


A) CCK
B) Secretin
C) Gastrin
D) Histamine
E) SST

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Gastric signals that inhibit stomach emptying include


A) Particle size greater than 0.5 mm
B) Acid pH in the stomach
C) Distension of the stomach
D) Intrinsic factor
E) Excess mucin

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In the cephalic phase, secretion of acid by parietal cells is stimulated by


A) Vagal afferents directly stimulating parietal cells with acetylcholine
B) Vagal afferents stimulating parietal cells by releasing GRP onto G cells
C) Vagal afferents stimulating ECL cells to release histamine onto parietal cells
D) All of the above
E) Only A and B

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Parietal cells do not have receptors for


A) Acetylcholine
B) SST
C) CCK
D) Gastrin
E) Histamine

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