Question 1

The main site of water and mineral absorption in the human digestive system is the

Accepted Answer

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

Question 2

In herbivores,cellulose is primarily broken down

Accepted Answer

A)  by powerful digestive enzymes produced by the herbivore's stomach glands.
B)  by powerful digestive enzymes produced by the herbivore's salivary glands.
C)  by helminthes living within the herbivore.
D)  by bacteria living within the herbivore's gastrointestinal tract.
E)  by powerful digestive enzymes produced by the herbivore's intestinal glands.F) A) and B)
G) A) and D)

Question 3

What effect would drinking salt water have in 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 urineF) None of the above
G) B) and E)

Question 4

Unlike humans,cows emit up to 200 L of methane (CH4) each day through belching.Which explains this difference?

Accepted Answer

A)  Cows have a stomach.
B)  Cows have an intestine.
C)  Cows don't have a sphincter.
D)  Cows don't have an esophagus.
E)  Cows have a rumen.F) C) and D)
G) A) and E)

Question 5

If you placed cells from a marine alga in freshwater,you would expect to see that

Accepted Answer

A)  water moves out of the cell by osmosis.
B)  the cell will dehydrate.
C)  water moves into the cell by facilitated diffusion.
D)  water moves into the cell by osmosis.
E)  water moves out of the cell by facilitated diffusion.F) D) and E)
G) B) and D)

Question 6

Since small amounts of ammonia are very toxic,mammals convert ammonia to urea for concentration before excretion occurs.

Accepted Answer

A) True 
 B)False

Question 7

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 C)
G) C) and D)

Question 8

The semisolid mass of food and gastric juice in the human stomach is termed

Accepted Answer

A)  feces.
B)  chyme.
C)  glottis.
D)  cuD.
E)  mash.F) A) and B)
G) B) and E)

Question 9

Heterotrophs must eat to obtain some organic compounds.

Accepted Answer

A) True 
 B)False

Question 10

The trace mineral iron is necessary in humans for the transport of oxygen by hemoglobin molecules.

Accepted Answer

A) True 
 B)False

Question 11

The homeostasis of water in organisms is affected by

Accepted Answer

A)  salt concentrations.
B)  All answers are correct.
C)  nutrition.
D)  blood composition.
E)  sweating when internal temperatures are too hot.F) A) and B)
G) A) and E)

Question 12

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) A) and B)
G) C) and D)

Question 13

Animals lose water through evaporation,in feces and in urine.

Accepted Answer

A) True 
 B)False

Question 14

The function of bile is to

Accepted Answer

A)  digest proteins.
B)  digest carbohydrates.
C)  emulsify fats.
D)  digest nucleotides.
E)  emulsify proteins.F) A) and B)
G) A) and C)

Question 15

If you had eaten alot of meat,one enzyme needed to break down all of that protein would be

Accepted Answer

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

Question 16

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

Question 17

The tube that connects the urinary bladder to the outside of the human body is the

Accepted Answer

A)  uvulA.
B)  renal vein.
C)  nephron.
D)  urethra.
E)  ureter.F) A) and B)
G) C) and D)

Question 18

In humans,the muscular tube into which urine from the kidney first drains is the

Accepted Answer

A)  urethrA.
B)  uvula.
C)  ureter.
D)  urinary bladder.
E)  nephron.F) All of the above
G) A) and D)

Question 19

If a doctor performing abdominal surgery on you accidentally cut the blood supply to one kidney,you would know that the doctor has cut the

Accepted Answer

A)  brachial artery.
B)  radial artery.
C)  hepatic artery.
D)  renal artery.
E)  carotid artery.F) C) and D)
G) A) and E)

Question 20

Smelling food causes a hungry person to salivate.Which of the following begins to be digested in saliva?

Accepted Answer

A)  proteins
B)  fats
C)  carbohydrates
D)  nucleic acids
E)  All answers are correct.F) A) and B)
G) C) and D)

Exam 28: The Digestive and Urinary Systems

In herbivores,cellulose is primarily broken down

Correct AnswerverifiedShow Answer

Animals lose water through evaporation,in feces and in urine.

Correct AnswerverifiedShow Answer

If you had eaten alot of meat,one enzyme needed to break down all of that protein would be

Correct AnswerverifiedShow Answer

What effect would drinking salt water have in a human?

Correct AnswerverifiedShow Answer

The main site of water and mineral absorption in the human digestive system is the

Correct AnswerverifiedShow Answer

The homeostasis of water in organisms is affected by

Correct AnswerverifiedShow Answer

If a doctor performing abdominal surgery on you accidentally cut the blood supply to one kidney,you would know that the doctor has cut the

Correct AnswerverifiedShow Answer

In humans,the muscular tube into which urine from the kidney first drains is the

Correct AnswerverifiedShow Answer

Since small amounts of ammonia are very toxic,mammals convert ammonia to urea for concentration before excretion occurs.

Correct AnswerverifiedShow Answer

The tube that connects the urinary bladder to the outside of the human body is the

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

The semisolid mass of food and gastric juice in the human stomach is termed

Correct AnswerverifiedShow Answer

Heterotrophs must eat to obtain some organic compounds.

Correct AnswerverifiedShow Answer

The function of bile is to

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

If you placed cells from a marine alga in freshwater,you would expect to see that

Correct AnswerverifiedShow Answer

Unlike humans,cows emit up to 200 L of methane (CH4) each day through belching.Which explains this difference?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The trace mineral iron is necessary in humans for the transport of oxygen by hemoglobin molecules.

Correct AnswerverifiedShow Answer

Smelling food causes a hungry person to salivate.Which of the following begins to be digested in saliva?

Correct AnswerverifiedShow Answer

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Unlike humans,cows emit up to 200 L of methane (CH₄) each day through belching.Which explains this difference?

Correct Answer
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