Question 1

Proteins must first be enzymatically degraded to single amino acids before entering the capillaries of the hepatic portal system.Is this 
 What is the significance of this? Is absorption of carbohydrates and lipids restricted to monomers? Explain.

Accepted Answer

A) True 
 B)False

Question 2

Match the structure or compound to its function.
-transports iron to the blood

Accepted Answer

A) ezetimbe 
B) ferroportin 
C) hepcidin 
D) DMT1 
E) NPC1L1

Question 3

The primary complex carbohydrate ingested and digested by people is ________.

Accepted Answer

The answer of The primary complex carbohydrate ingested and digested...

Question 4

What is the ENS,and when was it discovered? What is its significance,what is its nickname,and what are the characteristics that justify that nickname?

Accepted Answer

The answer of What is the ENS,and when was it...

Question 5

Match the structure to its function.
-Protein digestion is completed here.

Accepted Answer

A) mouth 
B) stomach 
C) rectum 
D) small intestine 
E) large intestine

Question 6

Name the proenzymes that the pancreas secretes.Which one is involved in the activation of the other proenzymes? What are their active forms?

Accepted Answer

The answer of Name the proenzymes that the pancreas secretes.Which...

Question 7

Maltose is broken down by maltase into two molecules of ________.

Accepted Answer

The answer of Maltose is broken down by maltase into...

Question 8

Match the following structures with their functions.
-organ that adds exocrine secretions to the duodenum via a duct

Accepted Answer

A) pancreas 
B) pylorus 
C) rectum 
D) small intestine 
E) stomach

Question 9

Chief cells secrete

Accepted Answer

A)  pepsinogen. 
B)  gastrin. 
C)  mucus. 
D)  hydrochloric acid. 
E)  intrinsic factor.

Question 10

In response to the hormone secretin,the pancreas secretes a fluid

Accepted Answer

A)  rich in enzymes. 
B)  rich in bicarbonate. 
C)  rich in bile. 
D)  that contains only proteases. 
E)  that contains only amylase.

Question 11

What are the end products of carbohydrate digestion? What are the enzymes involved; where are they located; and what reactions do they catalyze?

Accepted Answer

The answer of What are the end products of carbohydrate...

Question 12

Intestinal crypts

Accepted Answer

A)  only increase the surface area of the mucosa of the small intestine. 
B)  only carry products of digestion that will not pass through the walls of blood capillaries. 
C)  only produce new cells for the mucosa of the small intestine. 
D)  only function in the absorption of nutrients. 
E)  increase the surface area of the mucosa of the small intestine and produce new cells for the mucosa of the small intestine.

Question 13

You are studying the toxic effects of a newly discovered tropical plant extract.From preliminary studies,it appears that the toxin prevents H⁺-dependent membrane transport.Explain which digestive processes may thus be impaired.

Accepted Answer

The answer of You are studying the toxic effects of...

Question 14

A drug that blocks the action of the hormone cholecystokinin would affect

Accepted Answer

A)  the amount of bile produced by the liver. 
B)  the composition of pancreatic secretions. 
C)  the level of intestinal gastrin. 
D)  secretions of the duodenal glands. 
E)  All of the answers are correct.

Question 15

Most products of fat digestion are absorbed by

Accepted Answer

A)  capillaries. 
B)  veins. 
C)  lymphatic vessels. 
D)  arterioles.

Question 16

The primary products of protein digestion are ________,________,and ________.

Accepted Answer

The answer of The primary products of protein digestion are...

Question 17

Match the following structures with their functions.
-organ where most digestion occurs

Accepted Answer

A) pancreas 
B) pylorus 
C) rectum 
D) small intestine 
E) stomach

Question 18

Match the hormone with the correct statement.
-stimulates insulin release

Accepted Answer

A) gastrin 
B) cholecystokinin 
C) secretin 
D) motilin 
E) gastric inhibitory peptide

Question 19

Match the hormone with the correct statement.
-stimulates bile release

Accepted Answer

A) gastrin 
B) cholecystokinin 
C) secretin 
D) motilin 
E) gastric inhibitory peptide

Question 20

Match each product with the cell or region that secretes or contains it.
-brush border

Accepted Answer

A) enzymes 
B) HCl 
C) HCO3- 
D) mucus 
E) more than one of these

Exam 21: The Digestive System

Proteins must first be enzymatically degraded to single amino acids before entering the capillaries of the hepatic portal system.Is this What is the significance of this? Is absorption of carbohydrates and lipids restricted to monomers? Explain.

Match the structure or compound to its function. -transports iron to the blood

The primary complex carbohydrate ingested and digested by people is ________.

What is the ENS,and when was it discovered? What is its significance,what is its nickname,and what are the characteristics that justify that nickname?

Match the structure to its function. -Protein digestion is completed here.

Name the proenzymes that the pancreas secretes.Which one is involved in the activation of the other proenzymes? What are their active forms?

Maltose is broken down by maltase into two molecules of ________.

Match the following structures with their functions. -organ that adds exocrine secretions to the duodenum via a duct

Chief cells secrete

In response to the hormone secretin,the pancreas secretes a fluid

What are the end products of carbohydrate digestion? What are the enzymes involved; where are they located; and what reactions do they catalyze?

Intestinal crypts

You are studying the toxic effects of a newly discovered tropical plant extract.From preliminary studies,it appears that the toxin prevents H⁺-dependent membrane transport.Explain which digestive processes may thus be impaired.

A drug that blocks the action of the hormone cholecystokinin would affect

Most products of fat digestion are absorbed by

The primary products of protein digestion are ,,and .

Match the following structures with their functions. -organ where most digestion occurs

Match the hormone with the correct statement. -stimulates insulin release

Match the hormone with the correct statement. -stimulates bile release

Match each product with the cell or region that secretes or contains it. -brush border

Exam 21: The Digestive System

Proteins must first be enzymatically degraded to single amino acids before entering the capillaries of the hepatic portal system.Is this What is the significance of this? Is absorption of carbohydrates and lipids restricted to monomers? Explain.

Match the structure or compound to its function. -transports iron to the blood

The primary complex carbohydrate ingested and digested by people is ________.

What is the ENS,and when was it discovered? What is its significance,what is its nickname,and what are the characteristics that justify that nickname?

Match the structure to its function. -Protein digestion is completed here.

Name the proenzymes that the pancreas secretes.Which one is involved in the activation of the other proenzymes? What are their active forms?

Maltose is broken down by maltase into two molecules of ________.

Match the following structures with their functions. -organ that adds exocrine secretions to the duodenum via a duct

Chief cells secrete

In response to the hormone secretin,the pancreas secretes a fluid

What are the end products of carbohydrate digestion? What are the enzymes involved; where are they located; and what reactions do they catalyze?

Intestinal crypts

You are studying the toxic effects of a newly discovered tropical plant extract.From preliminary studies,it appears that the toxin prevents H+-dependent membrane transport.Explain which digestive processes may thus be impaired.

A drug that blocks the action of the hormone cholecystokinin would affect

Most products of fat digestion are absorbed by

The primary products of protein digestion are ________,________,and ________.

Match the following structures with their functions. -organ where most digestion occurs

Match the hormone with the correct statement. -stimulates insulin release

Match the hormone with the correct statement. -stimulates bile release

Match each product with the cell or region that secretes or contains it. -brush border

You are studying the toxic effects of a newly discovered tropical plant extract.From preliminary studies,it appears that the toxin prevents H⁺-dependent membrane transport.Explain which digestive processes may thus be impaired.

The primary products of protein digestion are ,,and .