Question 1

Which of the following is in the correct order for protein digestion?

Accepted Answer

A)   pepsin - peptides - peptidase - amino acids
B)   peptidase - peptides - pepsin - amino acids
C)   peptidase - amino acids - pepsin - peptides
D)   amino acids - peptidase - peptides - pepsin
E)   peptides - pepsin - peptidase - amino acidsF) A) and B)
G) A) and C)

Question 2

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) All of the above
G) A) and B) A

Question 3

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; stomach.F) A) and E)
G) None of the above

Question 4

Fats are absorbed by the epithelial cells of villi in the intestinal tract and enter the capillary beds of the circulatory system.

Accepted Answer

A) True 
 B)False

Question 5

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

Question 6

Which of the following is the correct path urine follows from internal structures to outside the body?

Accepted Answer

A)   renal cortex - urethra - urinary bladder - ureter
B)   urinary bladder - renal pelvis - ureter - urethra
C)   renal pelvis - ureter - urinary bladder - urethra
D)   ureter - renal pelvis - urinary bladder - urethra
E)   ureter - urinary bladder - renal pelvis - urethraF) A) and D)
G) D) and E)

Question 7

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 C)

Question 8

Emphysema occurs when the walls of alveoli are destroyed,reducing surface area for gas exchange.This condition impacts the

Accepted Answer

A)   upper respiratory system more than the lower.
B)   upper respiratory system as much as the lower.
C)   sinuses.
D)   lower respiratory system more than the upper.
E)   trachea only.F) C) and D)
G) None of the above

Question 9

The nephron of mammals and Malpighian tubules of insects are both involved in water and salt balance.They are also similar in that they are both

Accepted Answer

A)   involved in elimination of nitrogenous wastes.
B)   involved in the elimination of digestive wastes.
C)   attached to the digestive system.
D)   attached to the respiratory system.
E)   found in the kidneys.F) None of the above
G) C) and D) A

Question 10

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

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

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) D) and E)

Question 13

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 B)
G) C) and D)

Question 14

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 transport.F) C) and E)
G) A) and B) C

Question 15

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

Question 16

Ammonia helps maintain the optimal pH of urine.

Accepted Answer

A) True 
 B)False

Question 17

In fish

Accepted Answer

A)   gills are thick lobes of tissue with little blood supply.
B)   gills are used to rid the body of nitrogenous wastes similar to the kidneys in humans.
C)   about 80-90% of dissolved oxygen in the water is absorbed by the skin.
D)   blood flows through the gills in the same direction that water flows over them.
E)   gases are exchanged between the lamellae of the gills and the water.F) None of the above
G) A) and D)

Question 18

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

Question 19

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

Question 20

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

Exam 24: The Maintenance Systems

Which of the following is in the correct order for protein digestion?

Correct AnswerverifiedShow Answer

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

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

Correct AnswerverifiedShow Answer

Fats are absorbed by the epithelial cells of villi in the intestinal tract and enter the capillary beds of the circulatory system.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is the correct path urine follows from internal structures to outside the body?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Emphysema occurs when the walls of alveoli are destroyed,reducing surface area for gas exchange.This condition impacts the

Correct AnswerverifiedShow Answer

The nephron of mammals and Malpighian tubules of insects are both involved in water and salt balance.They are also similar in that they are both

Correct AnswerverifiedA

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

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

Correct AnswerverifiedShow Answer

The tracheal system of insects

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The mechanism by which oxygen moves into capillaries from alveoli is

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Ammonia helps maintain the optimal pH of urine.

Correct AnswerverifiedShow Answer

In fish

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Without villi,a person would not be able to

Correct AnswerverifiedShow Answer

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C

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