Question 1

Figure: 
-The digestion and absorption of fats differs from that of sugars and proteins in that

Accepted Answer

A)   sugars and proteins must be emulsified before being digested.
B)   fats are absorbed into lymphatic capillaries instead of blood capillaries.
C)   sugars and proteins interact with bile salts in order for absorption to occur.
D)   fats are digested primarily in the stomach.
E)   fats do not require digestion before being absorbed.F) C) and E)
G) C) and D)

Question 2

During respiration in fish, what percentage of dissolved oxygen in absorbed?

Accepted Answer

A)   100%
B)   95 - 99%.
C)   80 - 90%
D)   70 - 80%
E)   increase the level of residual air in their lungs.F) C) and E)
G) A) and B)

Question 3

Ruminants have a stomach that enables them to digest cellulose.

Accepted Answer

A) True 
 B)False

Question 4

Most carbon dioxide is carried in the blood

Accepted Answer

A)   as bicarbonate ion formed from carbonic acid in the plasma.
B)   causing the pH to increase.
C)   within the plasma.
D)   bonded with hemoglobin.
E)   bonded with oxygen.F) All of the above
G) B) and C)

Question 5

The longer digestive tract of herbivores is necessary to complete digestion of plant material.

Accepted Answer

A) True 
 B)False

Question 6

Figure: 
-You are at your cousins high school graduation party. The only thing good to drink is lemonade. You end up staying at the party for a long time and drinking four large glasses of lemonade. What would you expect to happen to your urine production?

Accepted Answer

A)   You will produce an increased amount of concentrated urine.
B)   You will produce an increased amount of dilute urine.
C)   You will produce a decreased amount of concentrated urine.
D)   You will produce a decreased amount of dilute urine.
E)   You will produce a typical amount of urine; the lemonade will not have any noticeable impact on your urine production.F) B) and E)
G) C) and E)

Question 7

Figure: 
-In the figure shown here, the letter "A" represents

Accepted Answer

A)   a pyramid.
B)   the cortex.
C)   a column.
D)   a renal pelvis.
E)   a nephron.F) None of the above
G) D) and E)

Question 8

The tracheal system of insects

Accepted Answer

A)   helps remove metabolic wastes from their bodies.
B)   makes a respiratory pigment in their hemolymph unnecessary.
C)   relies on the expansion and contraction of the body wall to move air into and out of the system.
D)   is limited to the posterior end of the body.
E)   digests food and distributes nutrients to the body.F) C) and D)
G) A) and E)

Question 9

A genetic defect in the epithelial cells of the villi can result in which of the following situations?

Accepted Answer

A)   A decrease in the ability to digest peptides and sugars
B)   An increase in the ability to digest peptides and sugars
C)   An increase in the body's ability to store adipose tissue
D)   A decrease in the body's ability to process and store lipids
E)   A significant increase in the ability to digest nucleic acidsF) None of the above
G) All of the above

Question 10

The mechanism by which oxygen moves into capillaries from alveoli is ________.

Accepted Answer

A)   active transport
B)   facilitated transport
C)   diffusion
D)   osmosis
E)   secondary active transportF) C) and D)
G) All of the above

Question 11

Figure: 
-The figure shown represents urine formation. Substances which move from the blood into the filtrate at #3 include ___________.

Accepted Answer

A)   glucose
B)   amino acids
C)   sodium ion
D)   chloride ion
E)   hydrogen ionF) A) and D)
G) B) and E)

Question 12

Figure: 
-In the figure shown here, the structure indicated by the letter "E"

Accepted Answer

A)   carries urine to the urinary bladder.
B)   carries urine to the outside of the body.
C)   returns filtered blood to the systemic circulation.
D)   further alters the composition of the urine formed by the nephrons.
E)   empties urine from the renal medulla.F) B) and C)
G) All of the above

Question 13

Figure: 2 enters the blood stream and CO2 leaves the blood stream A)  at A. B)  at B. C)  at C. D)  through active transport. E)  in a process called internal respiration." class="answers-bank-image d-inline" rel="preload" >
-In the figure shown here, O2 enters the blood stream and CO2 leaves the blood stream

Accepted Answer

A)   at A.
B)   at B.
C)   at C.
D)   through active transport.
E)   in a process called internal respiration.F) B) and E)
G) All of the above

Question 14

Digestion in humans and earthworms

Accepted Answer

A)   is similar in that both organisms, digestion is an extracellular process, occurring in a complete digestive tract.
B)   is different in that earthworms have a sac plan body plan and humans have a tube within a tube body plan.
C)   is different in that digestion is an extracellular process in humans but an intracellular process in earthworms.
D)   is similar in that in both organisms, digestion is an intracellular process, occurring in an incomplete digestive system.
E)   is similar in that in both organisms, digestion occurs in a simple tract, in which all parts of the tract are similar.F) B) and D)
G) All of the above

Question 15

Which of the following is an incorrect match?

Accepted Answer

A)   larynx - contains vocal cords
B)   pharynx - connects nasal and oral cavities to larynx
C)   sinuses - remove dust particles from the air
D)   glottis - opening to the larynx
E)   epiglottis - covers the glottisF) C) and D)
G) A) and B)

Question 16

Which of the following is not a function of the digestive system?

Accepted Answer

A)   eliminate nitrogenous waste
B)   eliminate dead bacteria
C)   eliminate non-digestible food
D)   eliminate bile pigments from breakdown of hemoglobin
E)   absorb nutrientsF) A) and B)
G) D) and E)

Question 17

Starch digestion begins in the _____ and protein digestion begins in the _____.

Accepted Answer

A)   mouth; small intestine
B)   stomach; small intestine
C)   mouth; stomach
D)   stomach; stomach also
E)   small intestine; stomachF) A) and B)
G) A) and C)

Question 18

Ammonia helps maintain the optimal pH of urine.

Accepted Answer

A) True 
 B)False

Question 19

If the stomach lining lacks mucus it will not efficiently absorb nutrients and can result in ________.

Accepted Answer

A)   a bolus
B)   acid reflux
C)   heartburn
D)   an ulcer
E)   chymeF) D) and E)
G) A) and E)

Question 20

Figure: 
-In the figure shown here, "A" is referring to the _________.

Accepted Answer

A)   liver
B)   stomach
C)   duodenum
D)   pancreas
E)   small intestineF) All of the above
G) A) and B)

Exam 24: The Maintenance Systems

Digestion in humans and earthworms

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Most carbon dioxide is carried in the blood

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Figure: -In the figure shown here, "A" is referring to the _________.

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Figure: -The figure shown represents urine formation. Substances which move from the blood into the filtrate at #3 include ___________.

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A genetic defect in the epithelial cells of the villi can result in which of the following situations?

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The longer digestive tract of herbivores is necessary to complete digestion of plant material.

Correct AnswerverifiedShow Answer

Figure: -The digestion and absorption of fats differs from that of sugars and proteins in that

Correct AnswerverifiedShow Answer

Figure: -In the figure shown here, the letter "A" represents

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Figure: -In the figure shown here, O2 enters the blood stream and CO2 leaves the blood stream

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Figure: -In the figure shown here, the structure indicated by the letter "E"

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Which of the following is an incorrect match?

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During respiration in fish, what percentage of dissolved oxygen in absorbed?

Correct AnswerverifiedShow Answer

Figure: -You are at your cousins high school graduation party. The only thing good to drink is lemonade. You end up staying at the party for a long time and drinking four large glasses of lemonade. What would you expect to happen to your urine production?

Correct AnswerverifiedShow Answer

Ammonia helps maintain the optimal pH of urine.

Correct AnswerverifiedShow Answer

If the stomach lining lacks mucus it will not efficiently absorb nutrients and can result in ________.

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Which of the following is not a function of the digestive system?

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The mechanism by which oxygen moves into capillaries from alveoli is ________.

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The tracheal system of insects

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Starch digestion begins in the _____ and protein digestion begins in the _____.

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Ruminants have a stomach that enables them to digest cellulose.

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Figure: -In the figure shown here, O₂ enters the blood stream and CO₂ leaves the blood stream

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Starch digestion begins in the _ and protein digestion begins in the _.

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