PGY 451 FINAL QUESTIONS AND VERIFIED ANSWERS
_________is a protein cofactor that is secreted by the pancreas and that allows lipases
to access fats inside the bile coating.
A. Enterokinase
B. Colipase
C. Trypsinogen
D. Procolipase
E Proelastase
D. Procolipase
Today the MOST effective inhibitor of acid secretion by the parietal cell targets which of
the following?
A. Proton/Potassium ATPase
B. M3 receptors
C. Gastrin receptors
D. H2 receptors
E. Sodium/Potassium pump
A. Proton/Potassium ATPase
Which of the following is an accessory organ of digestion?
A. stomach
B. pancreas
C. spleen
D. colon
E, esophagus
B. pancreas
________is a protein cofactor that is secreted by the pancreas and that allows lipases
to access fats inside the bile coating.
A. Enterokinase
B. Colipase
C. Trypsinogen
D. Procolipase
E. Proelastase
D. Procolipase
,The presence of bile salts in the colon will stimulate the salt transport activity of the
crypt cells of the colon. What is the most logical outcome of over stimulation of the crypt
cell salt transporters?
A. An increase in salt and water uptake by the crypt cells will lead to constipation.
B. An increase in salt only uptake by the crypt cells will lead to constipation.
C. An increase in chloride secretion will withdraw water from lumen content.
D. An increase in salt and water secretion can lead to diarrhea.
D. An increase in salt and water secretion can lead to diarrhea.
The disaccharide______is digested to_______
A. sucrose, glucose, galactose
B. lactose, glucose, galactose
c. maltose, sucrose, glucose
D. sucrose, lactose, fructose
E. sucrose, galactose, galactose
B. lactose, glucose, galactose
The intragastric pressure is kept low following deglutition by which of the following
mechanisms?
A. Mastication
B. Receptive relaxation
C. Defecation reflex
D. Migrating Motor Complex
E. Segmentation and peristalsis
B. Receptive relaxation
The primary role of bile salts is to_______dietary_________.
A. digest, tri-glycerides
B. emulsify, tri-glycerides
c. excrete, mono-glycerides
D. emulsify, glycoproteins
E. digest, lipids
B. emulsify, tri-glycerides
The binding of________to the_______receptor of the ECL cell will stimulate that cell to
release________.
A, gastrin, M3, acetylcholine
B. acetylcholine, M3, histamine
C. gastrin, M3, histamine
D. acetylcholine, H2, gastrin
F histamine, CCKB , acetylcholine
B. acetylcholine, M3, histamine
, The rate of secretion by the salivary glands is_______by parasympathetic stimulation
and_________by sympathetic stimulation.
A. decreased, decreased
B. decreased, increased
C. increased, increased
D. increased, decreased
E. decreased, not changed.
C. increased, increased
Which of the following best describes the function of the chemical digestion of food?
A. stimulation of Peyers's Patches with gastrin.
B. enzymatic conversion of monosaccharides to polysaccharides in the small intestine.
C. stimulation of the GALT response.
D. hydrolysis reactions in the small intestine.
E. enzymatic conversion of free-fatty acids and glycerol to triglycerides.
D. hydrolysis reactions in the small intestine.
Because of disease, a patient has had much of their ileum removed. Following the
recovery from surgery, this patient would be expected to have difficulties_______
absorbing from the diet.
A. vitamin B12
B. protein
C. lactose
D. intrinsic factor
E. R-factor
A. vitamin B12
All of the following are absorbed by the enterocyte at the lument-facing membrane.
Which is NOT directly coupled to Na+ entry?
A Glucose
B. Fructose
C. Galactose
D. Amino Acids
B. Fructose
The vago-vagal reflex of the gastric phase of digestion begins with the______
A. accumulation of acid in the stomach
B, elevated gastrin levels in the blood
C. distension of the gastric wall
D. elevated secretin levels in the blood
_________is a protein cofactor that is secreted by the pancreas and that allows lipases
to access fats inside the bile coating.
A. Enterokinase
B. Colipase
C. Trypsinogen
D. Procolipase
E Proelastase
D. Procolipase
Today the MOST effective inhibitor of acid secretion by the parietal cell targets which of
the following?
A. Proton/Potassium ATPase
B. M3 receptors
C. Gastrin receptors
D. H2 receptors
E. Sodium/Potassium pump
A. Proton/Potassium ATPase
Which of the following is an accessory organ of digestion?
A. stomach
B. pancreas
C. spleen
D. colon
E, esophagus
B. pancreas
________is a protein cofactor that is secreted by the pancreas and that allows lipases
to access fats inside the bile coating.
A. Enterokinase
B. Colipase
C. Trypsinogen
D. Procolipase
E. Proelastase
D. Procolipase
,The presence of bile salts in the colon will stimulate the salt transport activity of the
crypt cells of the colon. What is the most logical outcome of over stimulation of the crypt
cell salt transporters?
A. An increase in salt and water uptake by the crypt cells will lead to constipation.
B. An increase in salt only uptake by the crypt cells will lead to constipation.
C. An increase in chloride secretion will withdraw water from lumen content.
D. An increase in salt and water secretion can lead to diarrhea.
D. An increase in salt and water secretion can lead to diarrhea.
The disaccharide______is digested to_______
A. sucrose, glucose, galactose
B. lactose, glucose, galactose
c. maltose, sucrose, glucose
D. sucrose, lactose, fructose
E. sucrose, galactose, galactose
B. lactose, glucose, galactose
The intragastric pressure is kept low following deglutition by which of the following
mechanisms?
A. Mastication
B. Receptive relaxation
C. Defecation reflex
D. Migrating Motor Complex
E. Segmentation and peristalsis
B. Receptive relaxation
The primary role of bile salts is to_______dietary_________.
A. digest, tri-glycerides
B. emulsify, tri-glycerides
c. excrete, mono-glycerides
D. emulsify, glycoproteins
E. digest, lipids
B. emulsify, tri-glycerides
The binding of________to the_______receptor of the ECL cell will stimulate that cell to
release________.
A, gastrin, M3, acetylcholine
B. acetylcholine, M3, histamine
C. gastrin, M3, histamine
D. acetylcholine, H2, gastrin
F histamine, CCKB , acetylcholine
B. acetylcholine, M3, histamine
, The rate of secretion by the salivary glands is_______by parasympathetic stimulation
and_________by sympathetic stimulation.
A. decreased, decreased
B. decreased, increased
C. increased, increased
D. increased, decreased
E. decreased, not changed.
C. increased, increased
Which of the following best describes the function of the chemical digestion of food?
A. stimulation of Peyers's Patches with gastrin.
B. enzymatic conversion of monosaccharides to polysaccharides in the small intestine.
C. stimulation of the GALT response.
D. hydrolysis reactions in the small intestine.
E. enzymatic conversion of free-fatty acids and glycerol to triglycerides.
D. hydrolysis reactions in the small intestine.
Because of disease, a patient has had much of their ileum removed. Following the
recovery from surgery, this patient would be expected to have difficulties_______
absorbing from the diet.
A. vitamin B12
B. protein
C. lactose
D. intrinsic factor
E. R-factor
A. vitamin B12
All of the following are absorbed by the enterocyte at the lument-facing membrane.
Which is NOT directly coupled to Na+ entry?
A Glucose
B. Fructose
C. Galactose
D. Amino Acids
B. Fructose
The vago-vagal reflex of the gastric phase of digestion begins with the______
A. accumulation of acid in the stomach
B, elevated gastrin levels in the blood
C. distension of the gastric wall
D. elevated secretin levels in the blood
