Question 1

The gallbladder

Accepted Answer

A)  Stores and concentrates bile 
B)  Mainly stores toxic materials prior to their excretion 
C)  Contracts in response to secretin 
D)  Contracts in response to gastrin 
E)  Converts primary bile acids to secondary bile acids 
A)  Stores and concentrates bile 
B)  Mainly stores toxic materials prior to their excretion 
C)  Contracts in response to secretin 
D)  Contracts in response to gastrin 
E)  Converts primary bile acids to secondary bile acids A

Question 2

One of the most potent stim uli for hepatic bile secretion is

Accepted Answer

A)  Uptake of bile acids from the portal blood 
B)  CCK 
C)  Secretin 
D)  Parasympathetic nerves 
E)  Sympathetic nerves 
A)  Uptake of bile acids from the portal blood 
B)  CCK 
C)  Secretin 
D)  Parasympathetic nerves 
E)  Sympathetic nerves A

Question 3

The primary bile salts include

Accepted Answer

A)  Cholic acid and deoxycholic acid 
B)  Lithocholic acid and chenodeoxycholic acid 
C)  Ursodeoxycholic acid and cholic acid 
D)  Lithocholic acid and cholic acid 
E)  Cholic acid and chenodeoxycholic acid 
A)  Cholic acid and deoxycholic acid 
B)  Lithocholic acid and chenodeoxycholic acid 
C)  Ursodeoxycholic acid and cholic acid 
D)  Lithocholic acid and cholic acid 
E)  Cholic acid and chenodeoxycholic acid E

Question 4

The duct leading to the gallbladder is called the

Accepted Answer

A)  Hepatic bile duct 
B)  Common bile duct 
C)  Cystic duct 
D)  Pancreatic bile duct 
E)  Biliary tree 
A)  Hepatic bile duct 
B)  Common bile duct 
C)  Cystic duct 
D)  Pancreatic bile duct 
E)  Biliary tree

Question 5

W hich of the following is NOT a proteolytic secretion of the pancreas?

Accepted Answer

A)  Trypsin 
B)  Chym otrypsin 
C)  Elastase 
D)  Pepsin 
E)  Carboxypeptidase 
A)  Trypsin 
B)  Chym otrypsin 
C)  Elastase 
D)  Pepsin 
E)  Carboxypeptidase

Question 6

The sphincter of Oddi

Accepted Answer

A)  Regulates flow of bile from liver to gallbladder 
B)  Controls flow of bile into the pancreas 
C)  Regulates the flow of bile and pancreatic juice into the small intestine 
D)  Regulates intestinal secretion from the Crypts of Lieberkuhn 
E)  Regulates flow from ileum to cecum 
A)  Regulates flow of bile from liver to gallbladder 
B)  Controls flow of bile into the pancreas 
C)  Regulates the flow of bile and pancreatic juice into the small intestine 
D)  Regulates intestinal secretion from the Crypts of Lieberkuhn 
E)  Regulates flow from ileum to cecum

Question 7

CFTR stands for

Accepted Answer

A)  Cholecystokinin free transfer receptor 
B)  Cholesterol free transport receptor 
C)  Chloride free transport receptor 
D)  Cystic fibrosis transmembrane conductance regulator 
E)  Chloride free transport regulator 
A)  Cholecystokinin free transfer receptor 
B)  Cholesterol free transport receptor 
C)  Chloride free transport receptor 
D)  Cystic fibrosis transmembrane conductance regulator 
E)  Chloride free transport regulator

Question 8

W hich statement about primary bile acids is NOT true?

Accepted Answer

A)  Primary bile acids undergo enterohepatic circulation 
B)  Primary bile acids are conjugated with taurine 
C)  Primary bile acids are conjugated with glycine 
D)  Primary bile acids are absorbed in the terminal ileum 
E)  Primary bile acids are excreted by hepatocytes into the portal blood 
A)  Primary bile acids undergo enterohepatic circulation 
B)  Primary bile acids are conjugated with taurine 
C)  Primary bile acids are conjugated with glycine 
D)  Primary bile acids are absorbed in the terminal ileum 
E)  Primary bile acids are excreted by hepatocytes into the portal blood

Question 9

The only pancreatic secretion that digests starch is

Accepted Answer

A)  Elastase 
B)  Isomaltase 
C)  Amylase 
D)  Cellulase 
E)  Sucrase 
A)  Elastase 
B)  Isomaltase 
C)  Amylase 
D)  Cellulase 
E)  Sucrase

Question 10

A HCO3- -rich secretion by bile duct and pancreas is stimulated by

Accepted Answer

A)  CCK 
B)  Somatostatin 
C)  Gastrin 
D)  Secretin 
E)  Motilin 
A)  CCK 
B)  Somatostatin 
C)  Gastrin 
D)  Secretin 
E)  Motilin

Question 11

CCK

Accepted Answer

A)  Is a glycoprotein 
B)  Stimulates stomach HCl secretion 
C)  Stimulates CFTR 
D)  Stimulates gall bladder contraction 
E)  Inhibits secretin action 
A)  Is a glycoprotein 
B)  Stimulates stomach HCl secretion 
C)  Stimulates CFTR 
D)  Stimulates gall bladder contraction 
E)  Inhibits secretin action

Question 12

The transporter that drives pancreatic secretion is the

Accepted Answer

A)  CFTR on the apical membrane 
B)  HCO3- -Cl- exchanger on the apical membrane 
C)  Carbonic anhydrase 
D)  Na+-K+-ATPase on the apical membrane 
E)  Na+-H+ exchanger on the basolateral membrane 
A)  CFTR on the apical membrane 
B)  HCO3- -Cl- exchanger on the apical membrane 
C)  Carbonic anhydrase 
D)  Na+-K+-ATPase on the apical membrane 
E)  Na+-H+ exchanger on the basolateral membrane

Question 13

Proteolysis in the pancreas is prevented by

Accepted Answer

A)  Secretion of proteolytic enzym es in inactive precursor form 
B)  Encasing the enzymes in liposomes 
C)  Trypsin inhibitor 
D)  Competitive inhibition 
E)  A and C are correct 
A)  Secretion of proteolytic enzym es in inactive precursor form 
B)  Encasing the enzymes in liposomes 
C)  Trypsin inhibitor 
D)  Competitive inhibition 
E)  A and C are correct

Question 14

The pancreas secretes all of the following lipolytic enzymes EXCEPT

Accepted Answer

A)  Cholesterol hydrolase 
B)  Pancreatic co-lipase 
C)  Phospholipase A2 
D)  Pancreatic lipase 
E)  Phospholipase C 
A)  Cholesterol hydrolase 
B)  Pancreatic co-lipase 
C)  Phospholipase A2 
D)  Pancreatic lipase 
E)  Phospholipase C

Question 15

Contraction of the gallbladder is caused mainly by

Accepted Answer

A)  CCK 
B)  Somatostatin 
C)  Gastrin 
D)  Secretin 
E)  Motilin 
A)  CCK 
B)  Somatostatin 
C)  Gastrin 
D)  Secretin 
E)  Motilin

Question 16

Secondary bile acids are

Accepted Answer

A)  Made by bacteria in the intestines 
B)  Made by hepatocytes from cholesterol 
C)  Absorbed in the terminal ileum 
D)  Absorbed along with micelles 
E)  Both A and C are correct 
A)  Made by bacteria in the intestines 
B)  Made by hepatocytes from cholesterol 
C)  Absorbed in the terminal ileum 
D)  Absorbed along with micelles 
E)  Both A and C are correct

Question 17

The pancreatic proteolytic enzymes do not digest the pancreas because

Accepted Answer

A)  They are secreted in inactive precursor form 
B)  The zymogen granules protect the cell by compartmentalization 
C)  Trypsin inhibitor prevents premature activation of the enzymes 
D)  There are no substrates for the enzymes in the pancreas 
E)  Both A and C are correct 
A)  They are secreted in inactive precursor form 
B)  The zymogen granules protect the cell by compartmentalization 
C)  Trypsin inhibitor prevents premature activation of the enzymes 
D)  There are no substrates for the enzymes in the pancreas 
E)  Both A and C are correct

Question 18

The main function of bile acids is due to their

Accepted Answer

A)  Solubilizing action on fats and fat digestion products 
B)  Enterohepatic circulation 
C)  Activation of phospholipase A2 
D)  Content of cholesterol 
E)  Hydrolysis of triglycerides 
A)  Solubilizing action on fats and fat digestion products 
B)  Enterohepatic circulation 
C)  Activation of phospholipase A2 
D)  Content of cholesterol 
E)  Hydrolysis of triglycerides

Question 19

The major stimulus for secretin secretion is

Accepted Answer

A)  Mechanical irritation of the duodenum 
B)  H+ in the duodenal lumen 
C)  Distension of the duodenum 
D)  Amino acids in the duodenum 
E)  Fat digestion products in the duodenum 
A)  Mechanical irritation of the duodenum 
B)  H+ in the duodenal lumen 
C)  Distension of the duodenum 
D)  Amino acids in the duodenum 
E)  Fat digestion products in the duodenum

Question 20

Bile is produced by

Accepted Answer

A)  Hepatocytes 
B)  Pancreatic acinar cells 
C)  Pancreatic ductal cells 
D)  Enterocytes 
E)  The gallbladder 
A)  Hepatocytes 
B)  Pancreatic acinar cells 
C)  Pancreatic ductal cells 
D)  Enterocytes 
E)  The gallbladder

Exam 58: Pancreatic and Biliary Secretion

The gallbladder

One of the most potent stim uli for hepatic bile secretion is

The primary bile salts include

The duct leading to the gallbladder is called the

W hich of the following is NOT a proteolytic secretion of the pancreas?

The sphincter of Oddi

CFTR stands for

W hich statement about primary bile acids is NOT true?

The only pancreatic secretion that digests starch is

A HCO3- -rich secretion by bile duct and pancreas is stimulated by

CCK

The transporter that drives pancreatic secretion is the

Proteolysis in the pancreas is prevented by

The pancreas secretes all of the following lipolytic enzymes EXCEPT

Contraction of the gallbladder is caused mainly by

Secondary bile acids are

The pancreatic proteolytic enzymes do not digest the pancreas because

The main function of bile acids is due to their

The major stimulus for secretin secretion is

Bile is produced by

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

Protein Structure

Biological Membranes

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

Smooth Muscle

Organization of the Nervous System

Cells Synapses and Neurotransmitters

Cutaneous Sensory Systems

Spinal Reflexes

Balance and Control of Movement

the Chemical Senses

Hearing

Vision

Autonomic Nervous System

Overview of the Cv System and Blood

Plasma and Red Blood Cells

White Blood Cells and Inflammation

The Heart As a Pump

Cellular Basis of Cardiac Contractility

the Cardiac Function Curve

Vascular Function: Hemodynamics

Microcirculation and Solute Exchange

Regulation of Perfusion

Integration of Cardiac Output and Venous Return

Regulation of Arterial Pressure

Mechanics of Breathing

Lung Volumes and Airway Resistance

Gas Exchange in the Lung

Oxygen and Carbon Dioxide Transport

Acid Base Physiology I Bicarbonate Buffers and Respiratory Compensation

Control of Ventilation

Anatomy and Renal Overview

Glomerular Filtration

Tubular Reabsorption and Secretion

Concentration and Dilution of Urine

Mouth and Esophagus

The Stomach

Intestinal and Colonic Motility

Digestion and Absorption of the Macronutrients

Energy Balance and Regulation of Food Intake

A HCO₃^- -rich secretion by bile duct and pancreas is stimulated by