Question 1

Which organisms use Malpighian tubules to excrete uric acid?

Accepted Answer

A)   insects
B)   humans
C)   birds
D)   fish
E)   None of these.F) A) and B)
G) C) and D)

Question 2

The figure shown represents urine formation.What specific process is occurring at #2?

Accepted Answer

A)   secretion
B)   filtration
C)   reabsorption
D)   excretion
E)   urinationF) C) and D)
G) A) and C)

Question 3

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) A) and B)
G) None of the above

Question 4

Food in the digestive tract is called chyme after

Accepted Answer

A)   the tongue mixes it with saliva.
B)   the stomach processes it.
C)   all nutrients have been absorbed by the small intestines.
D)   elimination through the anus.
E)   it is chewed by the teeth.F) A) and B)
G) A) and C)

Question 5

In order for the body to stay in homeostasis it must maintain the water-salt balance.Which system is responsible for maintaining this feature?

Accepted Answer

A)   urinary system
B)   digestive system
C)   respiratory system
D)   cardiovascular system
E)   integumentary systemF) A) and D)
G) B) and D)

Question 6

Refer to the figure shown here.In structure "B"

Accepted Answer

A)   food particles are absorbed.
B)   the contents are acidic.
C)   there are digestive enzymes which were released by the pancreas.
D)   food is processed into a soft mass called a bolus.
E)   fats are emulsified by bile salts.F) B) and D)
G) A) and D)

Question 7

At the area labeled "A" in the figure shown here,

Accepted Answer

A)   O2 and CO2 enter the lungs.
B)   O2 and CO2 leave the lungs.
C)   O2 enters the lungs and CO2 leaves the lungs.
D)   CO2 enters the lungs and CO2 leaves the lungs.
E)   nutrients move into the body and CO2 leaves the body.F) C) and E)
G) A) and C)

Question 8

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

Question 9

Hair within the nose and cilia lining the respiratory tract

Accepted Answer

A)   moistens the air before it enters the lungs.
B)   prevents particles from entering the lungs.
C)   helps oxygen move into the lungs.
D)   helps carbon dioxide leave the lungs.
E)   helps carbon dioxide move into the lungs.F) B) and C)
G) B) and D)

Question 10

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)   chyme.F) A) and B)
G) A) and C)

Question 11

In which structure does urine formation begin?

Accepted Answer

A)   collecting duct
B)   proximal tubule
C)   nephron loop
D)   nephron capsule
E)   distal tubuleF) A) and E)
G) B) and D)

Question 12

A genetic defect causes the distal tubules of nephrons to malfunction.Which of the following may NOT occur during urine formation?

Accepted Answer

A)   reabsorption of water and glucose
B)   secretion of larger molecules which may be toxic
C)   secretion of urea
D)   reabsorption of amino acids
E)   reabsorption of Hydrogen ionF) C) and D)
G) A) and D)

Question 13

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 dilute urine.
B)   You will produce an increased amount of concentrated 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 D)
G) A) and E)

Question 14

The primary role in digestion of the structure indicated by "C" in the figure shown here is

Accepted Answer

A)   the mixing of ingested food with digestive juices.
B)   the production of saliva.
C)   the absorption of water and formation of feces.
D)   the majority of chemical digestion and absorption.
E)   the production of digestion enzymes that are released into the small intestine.F) C) and D)
G) B) and E)

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

Question 16

Which event occurs during inspiration but not expiration?

Accepted Answer

A)   rib cage moves out and up.
B)   diaphragm relaxes and moves up.
C)   pressure in the lungs increases.
D)   air is pushed out of the lungs.
E)   rib cage moves down and inward.F) B) and E)
G) All of the above

Question 17

It is important for sodium and chloride ions to be reabsorbed in the nephron so that

Accepted Answer

A)   urea can be secreted.
B)   some water will be reabsorbed through osmosis.
C)   some glucose reabsorption will occur.
D)   needed amino acids will be reabsorbed.
E)   the pH of the blood is maintained.F) A) and D)
G) D) and E)

Question 18

In the figure shown here,"E" represents

Accepted Answer

A)   external respiration, the exchange of gases between the body tissues and the blood.
B)   external respiration, the exchange of gases between the blood and the air in the lungs.
C)   internal respiration, the exchange of gases between the body tissues and the blood.
D)   internal respiration, the exchange of gases between the blood and the air in the lungs.
E)   external respiration, the exchange of gases between the air in the lungs and the outside.F) B) and C)
G) C) and D)

Question 19

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

Question 20

The functional unit of the lungs where gas exchange occurs is the

Accepted Answer

A)   alveolus.
B)   bronchiole.
C)   sinus.
D)   glottis.
E)   trachea.F) D) and E)
G) A) and D)

Exam 24: The Maintenance Systems

Most carbon dioxide is carried in the blood

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The functional unit of the lungs where gas exchange occurs is the

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

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

Correct AnswerverifiedShow Answer

In order for the body to stay in homeostasis it must maintain the water-salt balance.Which system is responsible for maintaining this feature?

Correct AnswerverifiedShow Answer

The figure shown represents urine formation.What specific process is occurring at #2?

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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

In which structure does urine formation begin?

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In the figure shown here,"E" represents

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Food in the digestive tract is called chyme after

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At the area labeled "A" in the figure shown here,

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Which of the following is an incorrect match?

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It is important for sodium and chloride ions to be reabsorbed in the nephron so that

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The primary role in digestion of the structure indicated by "C" in the figure shown here is

Correct AnswerverifiedShow Answer

Hair within the nose and cilia lining the respiratory tract

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Which event occurs during inspiration but not expiration?

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Which organisms use Malpighian tubules to excrete uric acid?

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A genetic defect causes the distal tubules of nephrons to malfunction.Which of the following may NOT occur during urine formation?

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Refer to the figure shown here.In structure "B"

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

Correct AnswerverifiedShow Answer

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