Question 1

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) A) and E)
G) A) and D)

Question 2

If you wanted to create a medical weapon to cause enemy soldiers to be unable to absorb nutrients and to have diarrhea,you would target the

Accepted Answer

A)  ciliA.
B)  flagella.
C)  villi.
D)  Pacinian corpuscles.
E)  tentacles.F) B) and C)
G) A) and B)

Question 3

Most multivitamins should be taken with a meal for which reason?

Accepted Answer

A)  to provide the energy needed to use the vitamins
B)  to prevent the absorption of water-soluble vitamins
C)  to help with the absorption of fat-soluble vitamins
D)  to provide food for the vitamins to break down
E)  to provide the energy needed to synthesize more vitaminsF) A) and D)
G) A) and C)

Question 4

Heterotrophs could live underground if they could find a food source,but photosynthetic autotrophs,which is almost all autotrophs on Earth,must live where they can obtain sunlight.

Accepted Answer

A) True 
 B)False

Question 5

The cecum is the largest in

Accepted Answer

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

Question 6

The enzyme that breaks down fats is

Accepted Answer

A)  pactase.
B)  amylase.
C)  pepsin.
D)  lipase.
E)  bilE.F) A) and B)
G) B) and D)

Question 7

Animals that eat a broad variety of foods,including plants and animals,are

Accepted Answer

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

Question 8

Cells often use ______________________ to move ions against their concentration gradient.

Accepted Answer

A)  simple diffusion
B)  facilitated diffusion
C)  active transport
D)  osmosis
E)  ciliaF) None of the above
G) C) and D)

Question 9

Which disease is caused by a deficiency of vitamin D?

Accepted Answer

A)  rickets
B)  scurvy
C)  blindness
D)  pellagra
E)  anemiaF) A) and C)
G) A) and D)

Question 10

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) A) and E)
G) A) and B)

Question 11

When people with celiac disease eat foods or use products containing gluten,their immune system responds by damaging or destroying villi.Which symptom would a person with celiac disease have?

Accepted Answer

A)  decreased peristalsis
B)  increased pH in their intestines
C)  increased digestive enzymes in their intestines
D)  decreased absorption of nutrients
E)  decreased bile in their intestinesF) B) and E)
G) A) and C)

Question 12

If the renal tubule was damaged,which would you observe?

Accepted Answer

A)  increased red blood cells in the urine
B)  increased volume of urine produced
C)  increased glucose in the urine
D)  increased salt in the urine
E)  increased protein in the urineF) B) and D)
G) A) and B)

Question 13

A diuretic is

Accepted Answer

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

Question 14

Ammonia is toxic and must be secreted as a dilute solution.Why do most freshwater fish secrete ammonia,but mammals do not?

Accepted Answer

A)  Freshwater fish do not have enough energy to convert ammonia to ureA.
B)  Mammals do not break proteins down forming ammonia.
C)  Mammals do not secrete wastes in solution.
D)  Freshwater fish can release ammonia without becoming dehydrated by drinking water.
E)  Mammals can synthesize urea from ammonia without using energy.F) A) and B)
G) B) and D)

Question 15

The homeostasis of water in organisms is maintained by

Accepted Answer

A)  nutritional intake.
B)  metabolic wastes.
C)  urine and fecal waste.
D)  removal of excess salt.
E)  All answers are correct.F) B) and C)
G) B) and E)

Question 16

Animals that consume decaying organic matter as their main source of food are

Accepted Answer

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

Question 17

The energy needed to raise one kilogram of water from 14.5 ∘\circ∘ C to 15.5 ∘\circ∘ C under controlled conditions is

Accepted Answer

A)  one kilocalorie.
B)  one calorie.
C)  one joule.
D)  one erg.
E)  one gram. F) A) and E)
G) B) and D)

Question 18

Colorless urine usually indicates excessive water intake or the ingestion of diuretics.

Accepted Answer

A) True 
 B)False

Question 19

If a patient could not pass food from pharynx to stomach,there would probably be a blockage in the

Accepted Answer

A)  larynx.
B)  trachea.
C)  esophagus.
D)  glottis.
E)  bronchus.F) B) and D)
G) None of the above

Question 20

The main site of food absorption in the human digestive system is the

Accepted Answer

A)  stomach.
B)  esophagus.
C)  small intestine.
D)  large intestine.
E)  rectum.F) C) and D)
G) C) and E)

Exam 28: The Digestive and Urinary Systems

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

Correct AnswerverifiedShow Answer

If you wanted to create a medical weapon to cause enemy soldiers to be unable to absorb nutrients and to have diarrhea,you would target the

Correct AnswerverifiedShow Answer

Most multivitamins should be taken with a meal for which reason?

Correct AnswerverifiedShow Answer

Heterotrophs could live underground if they could find a food source,but photosynthetic autotrophs,which is almost all autotrophs on Earth,must live where they can obtain sunlight.

Correct AnswerverifiedShow Answer

The cecum is the largest in

Correct AnswerverifiedD

The enzyme that breaks down fats is

Correct AnswerverifiedShow Answer

Animals that eat a broad variety of foods,including plants and animals,are

Correct AnswerverifiedD

Cells often use ______________________ to move ions against their concentration gradient.

Correct AnswerverifiedShow Answer

Which disease is caused by a deficiency of vitamin D?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When people with celiac disease eat foods or use products containing gluten,their immune system responds by damaging or destroying villi.Which symptom would a person with celiac disease have?

Correct AnswerverifiedShow Answer

If the renal tubule was damaged,which would you observe?

Correct AnswerverifiedShow Answer

A diuretic is

Correct AnswerverifiedShow Answer

Ammonia is toxic and must be secreted as a dilute solution.Why do most freshwater fish secrete ammonia,but mammals do not?

Correct AnswerverifiedShow Answer

The homeostasis of water in organisms is maintained by

Correct AnswerverifiedShow Answer

Animals that consume decaying organic matter as their main source of food are

Correct AnswerverifiedC

The energy needed to raise one kilogram of water from 14.5 ∘\circ∘ C to 15.5 ∘\circ∘ C under controlled conditions is

Correct AnswerverifiedShow Answer

Colorless urine usually indicates excessive water intake or the ingestion of diuretics.

Correct AnswerverifiedShow Answer

If a patient could not pass food from pharynx to stomach,there would probably be a blockage in the

Correct AnswerverifiedShow Answer

The main site of food absorption in the human digestive system is the

Correct AnswerverifiedShow Answer

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D

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D

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C

The energy needed to raise one kilogram of water from 14.5^$\circ$C to 15.5^$\circ$C under controlled conditions is

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