Question 1

In hemodialysis, wastes normally collected by the kidney

Accepted Answer

A)   diffuse through artificial or natural semi-permeable membranes.
B)   are pumped through a series of filters.
C)   are diluted by adding dialysate from bags attached to the abdomen.
D)   are actively transported through natural membranes in the abdomen.
E)   are diluted by a transfusion of blood lower in wastes.F) A) and E)
G) D) and E)

Question 2

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

Question 3

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

Question 4

The first step of starch digestion is performed by

Accepted Answer

A)   the tongue mixing food with saliva.
B)   taste buds secreting pepsin.
C)   amylase in the saliva.
D)   the tongue mixing food with saliva which contains amylase.
E)   glands in tongue secreting lipase.F) D) and E)
G) A) and E)

Question 5

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 D)
G) A) and E)

Question 6

Which of the following statements does NOT apply to edema?

Accepted Answer

A)   It can lead to heart failure.
B)   It is the retention of water and salts.
C)   It is an imbalance in the ionic composition of body fluids.
D)   It can result from kidney failure.
E)   It results in kidney stones if uncorrected.F) B) and C)
G) None of the above

Question 7

In which structure does urine formation begin?

Accepted Answer

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

Question 8

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 B)
G) All of the above

Question 9

Each red blood cell contains about 250 million hemoglobin molecules and so can carry at least one billion molecules of oxygen.

Accepted Answer

A) True 
 B)False

Question 10

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 11

Which of the following events will cause problems with the body's ability to exchange gasses between the blood and tissue fluid?

Accepted Answer

A)   An increase in the blood pH due to smoking
B)   Getting into a car accident and bruising your ribs on the steering wheel
C)   Getting a piece of meat lodged within your windpipe and not being able to breathe
D)   Being congested due to a sinus infection
E)   Playing football and getting the wind knocked out of youF) B) and C)
G) C) and E)

Question 12

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

Exam 24: The Maintenance Systems

The first step of starch digestion is performed by

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Each red blood cell contains about 250 million hemoglobin molecules and so can carry at least one billion molecules of oxygen.

Correct Answer
verified

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 Answer
verified

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

Correct Answer
verified

In which structure does urine formation begin?

Correct Answer
verified

Which of the following statements does NOT apply to edema?

Correct Answer
verified

In hemodialysis, wastes normally collected by the kidney

Correct Answer
verified

Which of the following events will cause problems with the body's ability to exchange gasses between the blood and tissue fluid?

Correct Answer
verified

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

Correct Answer
verified

Exam 24: The Maintenance Systems

The first step of starch digestion is performed by

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 in the correct order for protein digestion?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Each red blood cell contains about 250 million hemoglobin molecules and so can carry at least one billion molecules of oxygen.

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 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 which structure does urine formation begin?

Correct AnswerverifiedShow Answer

Which of the following statements does NOT apply to edema?

Correct AnswerverifiedShow Answer

In hemodialysis, wastes normally collected by the kidney

Correct AnswerverifiedShow Answer

Which of the following events will cause problems with the body's ability to exchange gasses between the blood and tissue fluid?

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

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