Question 1

Animals that eat only plants are

Accepted Answer

A)   omnivores.
B)   herbivores.
C)   carnivores.
D)   detritivores.
E)   insectivores.F) C) and D)
G) A) and B)

Question 2

Reabsorption is one of the three steps in making mammalian urine.

Accepted Answer

A) True 
 B)False

Question 3

The cecum is the largest in

Accepted Answer

A)   protozoans.
B)   omnivores.
C)   carnivores.
D)   herbivores.
E)   detritivores.F) C) and D)
G) A) and B)

Question 4

The only animals that rely solely on intracellular digestion are

Accepted Answer

A)   earthworms.
B)   sponges.
C)   clams.
D)   starfish.
E)   jellyfish.F) B) and D)
G) A) and E) B

Question 5

Diuretics are commonly prescribed drugs for patients with hypertension because they

Accepted Answer

A)   decrease blood volume and increase blood pressure.
B)   increase blood volume and blood pressure.
C)   decrease blood volume and blood pressure.
D)   increase blood volume and decrease blood pressure.E) A) and D)
F) All of the above

Question 6

A nutrient is a substance that an organism uses for

Accepted Answer

A)   growth.
B)   metabolism.
C)   maintenance.
D)   repair of tissues.
E)   All answers are correct.F) B) and C)
G) A) and E) E

Question 7

A diuretic is a substance that

Accepted Answer

A)   decreases the permeability of the tubules to water.
B)   increases the volume of blood.
C)   decreases the volume of fat in the body.
D)   increases the volume of urine.
E)   increases the production of ADH.F) C) and D)
G) A) and B)

Question 8

Rhythmic smooth muscle contractions occurring along the human digestive system that propel food along the system are termed

Accepted Answer

A)   countercurrent exchange.
B)   phagocytosis.
C)   peristalsis.
D)   rumination.
E)   sphincter contractions.F) C) and D)
G) C) and E)

Question 9

Morbid obesity is defined as having a BMI (body mass index) of at least

Accepted Answer

A)   10 to 15.
B)   40.
C)   20.
D)   25.
E)   30.F) B) and D)
G) A) and E) B

Question 10

Epithelial cells of the small intestine contain about 500 microvilli.What is the purpose of these microvilli?

Accepted Answer

A)   to increase surface area for food absorption
B)   to beat and move food through the intestines
C)   to contract and move food through the intestines
D)   to release mucus that protects the intestines from infection
E)   to release digestive enzymesF) A) and C)
G) A) and B)

Question 11

Animals that hunt and eat essentially only other animals are

Accepted Answer

A)   omnivores.
B)   carnivores.
C)   herbivores.
D)   detritivores.
E)   frugivores.F) B) and C)
G) C) and E)

Question 12

The diffusion of water across a membrane that is permeable to water but not to ions and other charged solutes is

Accepted Answer

A)   facilitated diffusion.
B)   active transport.
C)   simple diffusion.
D)   osmosis.
E)   phagocytosis.F) A) and D)
G) C) and D)

Question 13

If you found a giant panda in a hardwood forest in Europe,where no bamboo grows,you would be very surprised since the panda should not have anything to eat there.

Accepted Answer

A) True 
 B)False

Question 14

Beano is a product containing an enzyme that breaks down complex carbohydrates in beans and other vegetables,thereby reducing gas production when these foods are eaten.Why would humans need to take Beano to avoid gas?

Accepted Answer

A)   If they don't break down the complex carbohydrates, bacteria in their colon will.
B)   If they don't break down the complex carbohydrates, bacteria in their small intestine will.
C)   Complex carbohydrates react with acid in the stomach to produce gas.
D)   Complex carbohydrates react with saliva in the mouth to produce gas.
E)   Complex carbohydrates cannot be broken down and cause constipation.F) A) and E)
G) B) and D)

Question 15

What effect would drinking salt water have on a human?

Accepted Answer

A)   Dehydration as the extra salt pulls water out of the blood into the urine.
B)   Dehydration as the extra salt pulls water out of the urine into the blood.
C)   Increased hydration as the extra salt in the blood pulls water out of tissues.
D)   Increased hydration as the extra salt in the urine pulls water out of tissues.
E)   Dehydration as salt in the intestines pulls water out of the urine.F) C) and D)
G) A) and B)

Question 16

To help a patient who is malnourished for vitamin C,you would prescribe eating more

Accepted Answer

A)   red meat.
B)   beans.
C)   citrus fruit.
D)   fish.
E)   nuts.F) C) and D)
G) B) and E)

Question 17

Antacids would be effective in which part of the digestive system?

Accepted Answer

A)   mouth
B)   esophagus
C)   small intestine
D)   stomach
E)   large intestineF) All of the above
G) B) and C)

Question 18

If an individual has their gallbladder removed,they are typically put on a low-fat diet.Which of the following would explain this recommendation?

Accepted Answer

A)   Bile cannot be produced.
B)   Bile cannot be removed from the intestines.
C)   Bile cannot be released following a meal.
D)   Lipase cannot be released following a meal.
E)   Lipase cannot be produced.F) A) and E)
G) A) and D)

Question 19

Botulism is caused by an infection with Clostridium botulinum.The bacteria release botulinum toxin that prevents the release of acetylcholine at neuromuscular junctions.What advantage would the bacteria gain by secreting the toxin?

Accepted Answer

A)   avoid the immune system
B)   prevent the body from excreting the bacteria
C)   decrease removal of food from the gut
D)   increase respiration
E)   prevent other bacteria from growing in the gutF) D) and E)
G) B) and C)

Question 20

In a study on the bacteria found in human mouths,from the Mesolithic to present day,researchers found that Porphyromonas gingivalis,a bacterium associated with tooth decay,is

Accepted Answer

A)   more common in modern times than in either the medieval times or the bronze age.
B)   more common in medieval times than in either the bronze age or modern times.
C)   more common in the bronze age than in either medieval or modern times.
D)   the same frequency in the bronze age, medieval times, and modern times.
E)   absent in modern times, but existed in the bronze age and medieval times.F) A) and E)
G) A) and D)

Exam 28: The Digestive and Urinary Systems

Animals that eat only plants are

Correct AnswerverifiedShow Answer

Reabsorption is one of the three steps in making mammalian urine.

Correct AnswerverifiedShow Answer

The cecum is the largest in

Correct AnswerverifiedShow Answer

The only animals that rely solely on intracellular digestion are

Correct AnswerverifiedB

Diuretics are commonly prescribed drugs for patients with hypertension because they

Correct AnswerverifiedShow Answer

A nutrient is a substance that an organism uses for

Correct AnswerverifiedE

A diuretic is a substance that

Correct AnswerverifiedShow Answer

Rhythmic smooth muscle contractions occurring along the human digestive system that propel food along the system are termed

Correct AnswerverifiedShow Answer

Morbid obesity is defined as having a BMI (body mass index) of at least

Correct AnswerverifiedB

Epithelial cells of the small intestine contain about 500 microvilli.What is the purpose of these microvilli?

Correct AnswerverifiedShow Answer

Animals that hunt and eat essentially only other animals are

Correct AnswerverifiedShow Answer

The diffusion of water across a membrane that is permeable to water but not to ions and other charged solutes is

Correct AnswerverifiedShow Answer

If you found a giant panda in a hardwood forest in Europe,where no bamboo grows,you would be very surprised since the panda should not have anything to eat there.

Correct AnswerverifiedShow Answer

Beano is a product containing an enzyme that breaks down complex carbohydrates in beans and other vegetables,thereby reducing gas production when these foods are eaten.Why would humans need to take Beano to avoid gas?

Correct AnswerverifiedShow Answer

What effect would drinking salt water have on a human?

Correct AnswerverifiedShow Answer

To help a patient who is malnourished for vitamin C,you would prescribe eating more

Correct AnswerverifiedShow Answer

Antacids would be effective in which part of the digestive system?

Correct AnswerverifiedShow Answer

If an individual has their gallbladder removed,they are typically put on a low-fat diet.Which of the following would explain this recommendation?

Correct AnswerverifiedShow Answer

Botulism is caused by an infection with Clostridium botulinum.The bacteria release botulinum toxin that prevents the release of acetylcholine at neuromuscular junctions.What advantage would the bacteria gain by secreting the toxin?

Correct AnswerverifiedShow Answer

In a study on the bacteria found in human mouths,from the Mesolithic to present day,researchers found that Porphyromonas gingivalis,a bacterium associated with tooth decay,is

Correct AnswerverifiedShow Answer

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