Question 1

Food is prevented from entering the trachea by the

Accepted Answer

A) pharynx. 
B) larynx. 
C) epiglottis. 
D) glottis. 
E) sphincter muscle. 
A) pharynx. 
B) larynx. 
C) epiglottis. 
D) glottis. 
E) sphincter muscle. C

Question 2

Which of the following is NOT a function of bile salts?

Accepted Answer

A) act as emulsifiers 
B) needed for fat digestion 
C) aid the enzyme lipase in the digestion of fat molecules 
D) production of vitamin D 
A) act as emulsifiers 
B) needed for fat digestion 
C) aid the enzyme lipase in the digestion of fat molecules 
D) production of vitamin D D

Question 3

Which is NOT true of human salivary glands?

Accepted Answer

A) They produce an enzyme to begin the digestion of starch. 
B) They can become inflamed and cause tonsillitis. 
C) There are three pairs that open by ducts into the mouth. 
D) The production of saliva aids in the mechanical digestion process. 
A) They produce an enzyme to begin the digestion of starch. 
B) They can become inflamed and cause tonsillitis. 
C) There are three pairs that open by ducts into the mouth. 
D) The production of saliva aids in the mechanical digestion process. B

Question 4

Protein digestion occurs in the

Accepted Answer

A) mouth,stomach,and small intestine. 
B) stomach and small intestine. 
C) stomach,esophagus,and small intestine. 
D) mouth and large intestine. 
E) small intestine,large intestine,and mouth. 
A) mouth,stomach,and small intestine. 
B) stomach and small intestine. 
C) stomach,esophagus,and small intestine. 
D) mouth and large intestine. 
E) small intestine,large intestine,and mouth.

Question 5

When the liver malfunctions and there is an abnormally large amount of bilirubin in the blood it can cause

Accepted Answer

A) cirrhosis of the liver. 
B) kidney stones. 
C) gallstones. 
D) the rolling stones. 
E) jaundice. 
A) cirrhosis of the liver. 
B) kidney stones. 
C) gallstones. 
D) the rolling stones. 
E) jaundice.

Question 6

________ is contained in pancreatic juice to neutralize the acidity of chyme from the stomach.

Accepted Answer

A) Sodium bicarbonate 
B) Trypsin 
C) Pancreatic amylase 
D) Bile 
A) Sodium bicarbonate 
B) Trypsin 
C) Pancreatic amylase 
D) Bile

Question 7

Microvilli serve to

Accepted Answer

A) absorb nutrients. 
B) secrete bile. 
C) produce antibodies. 
D) synthesize vitamins. 
A) absorb nutrients. 
B) secrete bile. 
C) produce antibodies. 
D) synthesize vitamins.

Question 8

Which of the following statements about the tongue is true?

Accepted Answer

A) The tongue mixes food with saliva and assists in swallowing. 
B) The tongue can detect taste,touch,and pressure. 
C) The tongue consists of striated muscle under voluntary control. 
D) All of the choices are correct. 
A) The tongue mixes food with saliva and assists in swallowing. 
B) The tongue can detect taste,touch,and pressure. 
C) The tongue consists of striated muscle under voluntary control. 
D) All of the choices are correct.

Question 9

In the first step of starch digestion,starch is converted to ________,which is then digested to ________ by the enzyme maltase.

Accepted Answer

A) glucose; maltose 
B) amino acids; proteins 
C) maltose; glucose 
D) fat; glycerol and 3 fatty acids 
A) glucose; maltose 
B) amino acids; proteins 
C) maltose; glucose 
D) fat; glycerol and 3 fatty acids

Question 10

A diet that is lacking in certain minerals such as iron can lead to osteoporosis.

Accepted Answer

A) True 
 B)False

Question 11

A ruminant is

Accepted Answer

A) a carnivore with no extra digestive specializations. 
B) a carnivore with extra stomach separations. 
C) an omnivore with extra stomach separations. 
D) a herbivore with no extra digestive specializations. 
E) a herbivore with extra stomach separations. 
A) a carnivore with no extra digestive specializations. 
B) a carnivore with extra stomach separations. 
C) an omnivore with extra stomach separations. 
D) a herbivore with no extra digestive specializations. 
E) a herbivore with extra stomach separations.

Question 12

In the body,glucose is stored in the liver as

Accepted Answer

A) starch. 
B) protein. 
C) glycogen. 
D) fat. 
E) amino acids. 
A) starch. 
B) protein. 
C) glycogen. 
D) fat. 
E) amino acids.

Question 13

Which represents the proper sequence of human teeth from the front to the back in one-half of the jaw?

Accepted Answer

A) 2 incisors,1 canine,3 premolars,3 molars 
B) 2 incisors,1 canine,2 premolars,3 molars 
C) 3 incisors,1 canine,2 premolars,2 molars 
D) 2 incisors,2 canines,2 premolars,3 molars 
E) 2 incisors,1 canine,3 premolars,2 molars 
A) 2 incisors,1 canine,3 premolars,3 molars 
B) 2 incisors,1 canine,2 premolars,3 molars 
C) 3 incisors,1 canine,2 premolars,2 molars 
D) 2 incisors,2 canines,2 premolars,3 molars 
E) 2 incisors,1 canine,3 premolars,2 molars

Question 14

Chyme is produced in the

Accepted Answer

A) small intestine. 
B) stomach. 
C) esophagus. 
D) large intestine. 
A) small intestine. 
B) stomach. 
C) esophagus. 
D) large intestine.

Question 15

Which mineral is especially important for women to incorporate into their diet if they are menstruating?

Accepted Answer

A) aluminum 
B) iron 
C) magnesium 
D) sodium 
A) aluminum 
B) iron 
C) magnesium 
D) sodium

Question 16

What are the potential consequences if a person has their gallbladder removed?

Accepted Answer

A) Their body will not be able to store the excess bile produced by the liver.This means that they will have a decreased ability to emulsify the fats found within the small intestine. 
B) Their body will not be able to store the excess bile produced by the liver.This means that they will have a decreased ability to emulsify the fats found within the stomach. 
C) The liver will stop producing bile because it won't have any place to store it.This means that they will have a decreased ability to emulsify the fats found within the small intestine. 
D) The liver will stop producing bile because it won't have any place to store it.This means that they will have a decreased ability to digest the proteins found within the small intestine. 
A) Their body will not be able to store the excess bile produced by the liver.This means that they will have a decreased ability to emulsify the fats found within the small intestine. 
B) Their body will not be able to store the excess bile produced by the liver.This means that they will have a decreased ability to emulsify the fats found within the stomach. 
C) The liver will stop producing bile because it won't have any place to store it.This means that they will have a decreased ability to emulsify the fats found within the small intestine. 
D) The liver will stop producing bile because it won't have any place to store it.This means that they will have a decreased ability to digest the proteins found within the small intestine.

Question 17

Which of the following human digestive enzymes is NOT correctly matched to its substrate?

Accepted Answer

A) pepsin - protein 
B) trypsin - nucleic acid 
C) salivary amylase - starch 
D) lipase - fat 
E) maltase - maltose 
A) pepsin - protein 
B) trypsin - nucleic acid 
C) salivary amylase - starch 
D) lipase - fat 
E) maltase - maltose

Question 18

Which of the following groups contains all minerals?

Accepted Answer

A) iron,calcium,magnesium and zinc 
B) iron,magnesium,riboflavin and calcium 
C) zinc,glucose,iron and magnesium 
D) zinc,iron,calcium and NAD+ 
E) calcium,magnesium,niacin and iron 
A) iron,calcium,magnesium and zinc 
B) iron,magnesium,riboflavin and calcium 
C) zinc,glucose,iron and magnesium 
D) zinc,iron,calcium and NAD+ 
E) calcium,magnesium,niacin and iron

Question 19

The finger-like projections along the surface of the small intestines are called

Accepted Answer

A) mucosa. 
B) lacteals. 
C) capillaries. 
D) microvilli. 
E) appendices. 
A) mucosa. 
B) lacteals. 
C) capillaries. 
D) microvilli. 
E) appendices.

Question 20

The digestive juices found in the stomach include

Accepted Answer

A) insulin and bile. 
B) pepsin and hydrochloric acid. 
C) sodium bicarbonate and hydrochloric acid. 
D) pancreatic and salivary amylase. 
E) trypsin and maltase. 
A) insulin and bile. 
B) pepsin and hydrochloric acid. 
C) sodium bicarbonate and hydrochloric acid. 
D) pancreatic and salivary amylase. 
E) trypsin and maltase.

Exam 34: Digestive Systems and Nutrition

Food is prevented from entering the trachea by the

Which of the following is NOT a function of bile salts?

Which is NOT true of human salivary glands?

Protein digestion occurs in the

When the liver malfunctions and there is an abnormally large amount of bilirubin in the blood it can cause

________ is contained in pancreatic juice to neutralize the acidity of chyme from the stomach.

Microvilli serve to

Which of the following statements about the tongue is true?

In the first step of starch digestion,starch is converted to ________,which is then digested to ________ by the enzyme maltase.

A diet that is lacking in certain minerals such as iron can lead to osteoporosis.

A ruminant is

In the body,glucose is stored in the liver as

Which represents the proper sequence of human teeth from the front to the back in one-half of the jaw?

Chyme is produced in the

Which mineral is especially important for women to incorporate into their diet if they are menstruating?

What are the potential consequences if a person has their gallbladder removed?

Which of the following human digestive enzymes is NOT correctly matched to its substrate?

Which of the following groups contains all minerals?

The finger-like projections along the surface of the small intestines are called

The digestive juices found in the stomach include

A View of Life

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In the first step of starch digestion,starch is converted to ,which is then digested to by the enzyme maltase.