Question 1

Figure: 
-Which of the following incorrectly pairs the enzyme and the molecule on which it acts?

Accepted Answer

A)   salivary amylase - starch
B)   pepsin - protein
C)   maltase - starch
D)   trypsin - protein
E)   pancreatic amylase - starchF) A) and B)
G) D) and E)

Question 2

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

Accepted Answer

A)   alveolus
B)   bronchiole
C)   sinus
D)   glottis
E)   tracheaF) A) and B)
G) A) and C)

Question 3

Increasing the size of the thoracic cavity through contraction of the diaphragm and rib muscles causes

Accepted Answer

A)   an inhalation.
B)   an exhalation.
C)   coughing.
D)   positive pressure in the lungs.
E)   swallowing.F) D) and E)
G) C) and E)

Question 4

Without villi, a person would not be able to

Accepted Answer

A)   produce vitamin K.
B)   absorb enough nutrients.
C)   produce pepsin.
D)   swallow food.
E)   produce feces.F) C) and D)
G) B) and D)

Question 5

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 D)
G) A) and C)

Question 6

Figure: 
-In the figure shown here, the area represented by letter "D"

Accepted Answer

A)   is where blood is filtered to form urine.
B)   is the area where urine formed by nephrons is collected.
C)   is where arterial blood is brought into the kidneys.
D)   is the renal cortex.
E)   is the renal medulla.F) B) and E)
G) A) and B)

Question 7

Figure: 
-Muscular dystrophy affects the functioning of skeletal muscle. As this disease advances, it can impair the contraction of the diaphragm and the muscles of the rib cage. What affect will this have on the ability of someone with this disease to carry out gas exchange?

Accepted Answer

A)   It will decrease their ability to exchange air into and out of the lungs, decreasing gas exchange.
B)   It will have no effect on their ability to carry out gas exchange.
C)   It will cause a build up of mucus in their respiratory tract, decreasing gas exchange.
D)   It will lower the surface area for gas exchange, decreasing gas exchange.
E)   It will decrease the ability to exhale but the ability to inhale will be unaffected.F) D) and E)
G) A) and C) A

Question 8

Alicia and Juan are hiking in the woods and come across the skull of an animal. The teeth are still in the skull. The front teeth or incisors are short but sharp. The canines are long and pointed. The back teeth, or molars and premolars, are jagged. Based on these teeth, the skull likely belonged to a ___________.

Accepted Answer

A)   carnivore
B)   omnivore
C)   herbivore
D)   human
E)   There is not enough information to answer.F) A) and D)
G) C) and D)

Question 9

Which of the following is the correct pathway of air into the lungs to the site of gas exchange?

Accepted Answer

A)   nasal cavity-pharynx-larynx-trachea-bronchi-bronchioles-alveoli
B)   bronchi-pharynx-larynx-trachea-nasal cavity-bronchioles-alveoli
C)   bronchi-pharynx-trachea-nasal cavity-bronchioles-alveoli-larynx
D)   nasal cavity-alveoli-bronchioles-bronchi-trachea-larynx-pharynx
E)   pharynx-trachea-nasal cavity-bronchioles-alveoli-larynx-bronchiF) B) and C)
G) All of the above A

Question 10

Figure: 
-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 D)

Question 11

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 E)
G) B) and C)

Question 12

Vanessa and her friends are having lunch together. Just as Vanessa takes a drink of her chocolate milk, one of her friends tells a joke. Laughing, Vanessa has some of her milk come out of her nose. What is the explanation for this unusual event?

Accepted Answer

A)   The laughter interfered with the movement of the soft palate so it did not shut off the nasal cavity.
B)   The laughter interfered with the movement of the epiglottis so it did not shut off the nasal cavity.
C)   The laughter interfered with the movement of the epiglottis so it did not shut off the trachea.
D)   Vanessa has something wrong with the structure of her pharynx which allowed the milk to come out her nose.
E)   The laughter interfered with the movement of the soft palate so it did not shut off the trachea.F) B) and C)
G) B) and D)

Question 13

Figure: 
-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) A) and D)
G) None of the above C

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 which are released into the small intestine.F) B) and E)
G) C) and D)

Question 15

Humans are omnivores as shown by the type of

Accepted Answer

A)   enzymes secreted in saliva.
B)   urine they produce.
C)   teeth they have.
D)   taste buds they have.
E)   enzymes secreted in the intestines.F) A) and D)
G) A) and C)

Question 16

Which of the following is NOT a function of the large intestine?

Accepted Answer

A)   storage of indigestible material
B)   absorption of water
C)   absorption of salts
D)   absorption of vitamin K
E)   absorption of amino acidsF) A) and B)
G) B) and E)

Question 17

Which of the following is NOT a function of the liver?

Accepted Answer

A)   produces plasma proteins such as fibrin and fibrinogen
B)   detoxifies the blood by removing poisonous substances
C)   produces insulin and glucagon
D)   produces bile
E)   produces urea from amino acidsF) A) and D)
G) B) and E)

Question 18

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

Question 19

Figure: 2 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." class="answers-bank-image d-inline" rel="preload" >
-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) B) and D)
G) D) and E)

Question 20

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

Exam 24: The Maintenance Systems

Figure: -Which of the following incorrectly pairs the enzyme and the molecule on which it acts?

Correct Answer
verified

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

Correct Answer
verified

Increasing the size of the thoracic cavity through contraction of the diaphragm and rib muscles causes

Correct Answer
verified

Without villi, a person would not be able to

Correct Answer
verified

Food in the digestive tract is called chyme after

Correct Answer
verified

Figure: -In the figure shown here, the area represented by letter "D"

Correct Answer
verified

Figure: -Muscular dystrophy affects the functioning of skeletal muscle. As this disease advances, it can impair the contraction of the diaphragm and the muscles of the rib cage. What affect will this have on the ability of someone with this disease to carry out gas exchange?

Correct Answer
verified
A

Correct Answer
verified

Which of the following is the correct pathway of air into the lungs to the site of gas exchange?

Correct Answer
verified
A

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

Correct Answer
verified

Hair within the nose and cilia lining the respiratory tract

Correct Answer
verified

Vanessa and her friends are having lunch together. Just as Vanessa takes a drink of her chocolate milk, one of her friends tells a joke. Laughing, Vanessa has some of her milk come out of her nose. What is the explanation for this unusual event?

Correct Answer
verified

Figure: -In the figure shown here, "E" represents

Correct Answer
verified
C

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

Correct Answer
verified

Humans are omnivores as shown by the type of

Correct Answer
verified

Which of the following is NOT a function of the large intestine?

Correct Answer
verified

Which of the following is NOT a function of the liver?

Correct Answer
verified

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

Correct Answer
verified

Figure: -At the area labeled "A" in the figure shown here,

Correct Answer
verified

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

Correct Answer
verified

Exam 24: The Maintenance Systems

Figure: -Which of the following incorrectly pairs the enzyme and the molecule on which it acts?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Increasing the size of the thoracic cavity through contraction of the diaphragm and rib muscles causes

Correct AnswerverifiedShow Answer

Without villi, a person would not be able to

Correct AnswerverifiedShow Answer

Food in the digestive tract is called chyme after

Correct AnswerverifiedShow Answer

Figure: -In the figure shown here, the area represented by letter "D"

Correct AnswerverifiedShow Answer

Figure: -Muscular dystrophy affects the functioning of skeletal muscle. As this disease advances, it can impair the contraction of the diaphragm and the muscles of the rib cage. What affect will this have on the ability of someone with this disease to carry out gas exchange?

Correct AnswerverifiedA

Correct AnswerverifiedShow Answer

Which of the following is the correct pathway of air into the lungs to the site of gas exchange?

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

Hair within the nose and cilia lining the respiratory tract

Correct AnswerverifiedShow Answer

Vanessa and her friends are having lunch together. Just as Vanessa takes a drink of her chocolate milk, one of her friends tells a joke. Laughing, Vanessa has some of her milk come out of her nose. What is the explanation for this unusual event?

Correct AnswerverifiedShow Answer

Figure: -In the figure shown here, "E" represents

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Humans are omnivores as shown by the type of

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of the large intestine?

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of the liver?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Figure: -At the area labeled "A" in the figure shown here,

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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A

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A

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C

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