Question 1

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 D)
G) B) and E)

Question 2

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 C)
G) All of the above

Question 3

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) D) and E)

Question 4

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 C)
G) B) and E)

Question 5

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

Question 6

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 7

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

Question 8

In the figure shown here, the letter "A" represents

Accepted Answer

A)   a renal pyramid.
B)   the cortex.
C)   a column.
D)   a renal pelvis.
E)   a nephron.F) B) and E)
G) A) and B)

Question 9

Hair within the nose and cilia lining the respiratory tract

Accepted Answer

A)   moisten the air before it enters the lungs.
B)   prevent particles from entering the lungs.
C)   help oxygen move into the lungs.
D)   help carbon dioxide leave the lungs.
E)   help carbon dioxide move into the lungs.F) A) and B)
G) None of the above

Question 10

Emphysema occurs when the walls of the 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) B) and D)
G) C) and D)

Question 11

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

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

Question 13

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 D)
G) B) and C)

Question 14

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

Exam 24: The Maintenance Systems

Hair within the nose and cilia lining the respiratory tract

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

In the figure shown here, the letter "A" represents

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Which of the following statements does not apply to edema?

Correct Answer
verified

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

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

Which of the following is an incorrect match?

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

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 Answer
verified

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

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

Exam 24: The Maintenance Systems

Hair within the nose and cilia lining the respiratory tract

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

In the figure shown here, the letter "A" represents

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements does not apply to edema?

Correct AnswerverifiedShow Answer

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

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

Which of the following is an incorrect match?

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

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 functional unit of the lungs where gas exchange occurs is the

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified