Question 1

Chief cells cells secrete

Accepted Answer

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

Question 2

Receptive relaxation refers to

Accepted Answer

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 
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

Question 3

Gastric signals that inhibit stomach emptying include

Accepted Answer

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 
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

Question 4

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

Accepted Answer

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 
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

Question 5

Parietal cells do not have receptors for

Accepted Answer

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

Question 6

All of the following GI hormones inhibit gastric emptying EXCEPT

Accepted Answer

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

Question 7

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

Accepted Answer

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 
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

Question 8

The uppermost part of the stomach is called the

Accepted Answer

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

Exam 56: The Stomach

Chief cells cells secrete

Receptive relaxation refers to

Gastric signals that inhibit stomach emptying include

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

Parietal cells do not have receptors for

All of the following GI hormones inhibit gastric emptying EXCEPT

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

The uppermost part of the stomach is called the

Physical Foundations Ii: Electrical Force Potential Capacitance and Current

Chemical Foundations I: Chemical Energy and Intermolecular Forces

Chemical Foundations Ii: Concentration and Kinetics

Diffusion

Electrochemical Potential and Free Energy

Cell Structure

Dna and Protein Synthesis

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Passive Transport and Facilitated Diffusion

Active Transport: Pumps and Exchangers

Osmosis and Osmotic Pressure

Cell Signaling

ATP Production I: Glycolysis

Atp Production Ii: Tca Cycle and Oxidative Phosphorylation

Atp Production Iii: Fatty Acid Oxidation and Amino Acid Oxidation

Origin of the Membrane Potential

The Action Potential

Propagation of the Action Potential

Skeletal Muscle Mechanics

Contractile Mechanisms in Skeletal Muscle

Neuromuscular Junction and Ec Coupling

Muscle Energetics Fatigue and Training

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the Chemical Senses

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Cellular Basis of Cardiac Contractility

the Cardiac Function Curve

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Integration of Cardiac Output and Venous Return

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Mechanics of Breathing

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Gas Exchange in the Lung

Oxygen and Carbon Dioxide Transport

Acid Base Physiology I Bicarbonate Buffers and Respiratory Compensation

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Concentration and Dilution of Urine

Mouth and Esophagus

Intestinal and Colonic Motility

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Digestion and Absorption of the Macronutrients

Energy Balance and Regulation of Food Intake

General Principles of Endocrinology

Hypothalamus and Pituitary Gland

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The Endocrine Pancreas

The Adrenal Cortex

The Adrenal Medulla

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Calcium and Phosphorus Homeostasis Ii

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