Question 1

Oxygen in the lungs diffuses from the capillary walls to enter the alveolar walls.

Accepted Answer

A) True 
 B)False

Question 2

Which association is correct?

Accepted Answer

A)   larynx-throat
B)   trachea-air filtration
C)   alveoli-gas exchange
D)   pharynx-vocal cords
E)   bronchioles-hair and mucusF) A) and B)
G) A) and C)

Question 3

Which of the following respiratory structures will have the least amount of cartilage and the thinnest walls?

Accepted Answer

A)   larynx
B)   trachea
C)   bronchi
D)   bronchioles
E)   pharynxF) B) and D)
G) A) and E)

Question 4

The type of respiration in which gases are exchanged between the blood and tissue fluid is termed

Accepted Answer

A)   breathing.
B)   external respiration.
C)   internal respiration.
D)   cellular respiration.
E)   inspiration.F) B) and E)
G) A) and B)

Question 5

The breathing rate is controlled by chemoreceptors that detect

Accepted Answer

A)   levels of oxygen in the alveolar air space.
B)   levels of oxygen in the blood.
C)   levels of carbon dioxide in the alveolar air space.
D)   levels of carbon dioxide in the blood.
E)   level of stretching of the rib muscles and diaphragm.F) B) and C)
G) A) and E)

Question 6

Which of the following groups are collectively known as chronic obstructive pulmonary disease (COPD) ?

Accepted Answer

A)   emphysema, chronic bronchitis, and asthma
B)   emphysema, tuberculosis, and cystic fibrosis
C)   chronic bronchitis, tuberculosis, and pulmonary fibrosis
D)   tuberculosis, cystic fibrosis, and asthma
E)   pulmonary fibrosis, asthma, and cystic fibrosisF) B) and E)
G) C) and D)

Question 7

Identify the four respiratory volumes that can be measured with a spirometer.

Accepted Answer

1. Tidal volume (500 ml)
2. In...

Question 8

Scientific studies have shown that which of the following is associated with smoking?

Accepted Answer

A)   increased risk of lung cancer
B)   increased severity of allergies
C)   increased risk of ulcers
D)   increased risk of stroke
E)   All of the answer choices are risks that increase with smoking.F) A) and C)
G) D) and E)

Question 9

-Which point in Figure 15.1 produces vocal sounds when air passes through it?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) C) and E)
G) D) and E)

Question 10

What happens to the blood pH if a person hyperventilates?

Accepted Answer

A)   The pH will increase.
B)   The pH will remain the same.
C)   The pH will decrease.
D)   The pH will initially increase but then dramatically decrease.
E)   The pH will initially decrease but then dramatically increase.F) B) and E)
G) A) and B)

Question 11

A short while after a person has died, a "gasp" of air may occur as the lungs collapse. This flow would represent the

Accepted Answer

A)   tidal volume.
B)   expiratory reserve volume.
C)   total lung volume.
D)   vital capacity.
E)   residual volume.F) B) and E)
G) A) and E)

Question 12

List and describe the three major functions of the respiratory system.

Accepted Answer

1. External respiration: exchange of gas...

Question 13

The Adam's apple is actually a part of the

Accepted Answer

A)   pharynx.
B)   larynx.
C)   glottis.
D)   vocal cords.
E)   trachea.F) A) and D)
G) C) and D)

Question 14

Which disease causes the lungs to fill with thick fluid?

Accepted Answer

A)   pharyngitis
B)   sinusitis
C)   emphysema
D)   tuberculosis
E)   pneumoniaF) B) and D)
G) A) and D)

Question 15

The exchange of gases between the lungs and the blood occurs by the process of

Accepted Answer

A)   diffusion.
B)   osmosis.
C)   filtration.
D)   active transport.
E)   ionic bonding.F) All of the above
G) B) and E)

Question 16

Blood richest in oxygen is found in the

Accepted Answer

A)   inferior vena cava.
B)   superior vena cava.
C)   pulmonary arteries.
D)   pulmonary veins.
E)   systemic capillaries.F) B) and C)
G) C) and E)

Question 17

Which of the following treatments can cure lung cancer?

Accepted Answer

A)   pneumonectomy
B)   steroids
C)   antibiotics
D)   mucus-thinning drugs
E)   tracheotomyF) B) and E)
G) B) and D)

Question 18

Which is a correct association of respiratory problems and symptoms?

Accepted Answer

A)   laryngitis-inflammation of the lymphoid tissue of the pharynx. Sometimes cured by removal of the tissue.
B)   tonsillitis- inflammation of the larynx that causes hoarseness or loss of voice
C)   otitis media-ear pain due to bacterial infection of the middle ear
D)   sinusitis-infection of the throat
E)   pharyngitis- pain and tenderness in lower forehead and over the cheeksF) C) and E)
G) B) and D)

Question 19

Carbonic anhydrase

Accepted Answer

A)   is a digestive enzyme.
B)   is dissolved in plasma.
C)   speeds up the conversion of carbonic acid to carbon dioxide and water.
D)   speeds up the conversion of carbon dioxide to oxygen.
E)   speeds up the conversion of oxyhemoglobin.F) D) and E)
G) B) and E)

Question 20

Both inspiration and expiration require active engagement of the diaphragm and the rib muscles.

Accepted Answer

A) True 
 B)False

Exam 15: Respiratory System

Which is a correct association of respiratory problems and symptoms?

Correct AnswerverifiedShow Answer

Blood richest in oxygen is found in the

Correct AnswerverifiedShow Answer

Identify the four respiratory volumes that can be measured with a spirometer.

Correct Answerverified1. Tidal volume (500 ml)2. In...View AnswerShow Answer

The Adam's apple is actually a part of the

Correct AnswerverifiedShow Answer

Which association is correct?

Correct AnswerverifiedShow Answer

List and describe the three major functions of the respiratory system.

Correct Answerverified1. External respiration: exchange of gas...View AnswerShow Answer

Which of the following treatments can cure lung cancer?

Correct AnswerverifiedShow Answer

A short while after a person has died, a "gasp" of air may occur as the lungs collapse. This flow would represent the

Correct AnswerverifiedShow Answer

Which of the following groups are collectively known as chronic obstructive pulmonary disease (COPD) ?

Correct AnswerverifiedShow Answer

Which disease causes the lungs to fill with thick fluid?

Correct AnswerverifiedShow Answer

Carbonic anhydrase

Correct AnswerverifiedShow Answer

-Which point in Figure 15.1 produces vocal sounds when air passes through it?

Correct AnswerverifiedShow Answer

The type of respiration in which gases are exchanged between the blood and tissue fluid is termed

Correct AnswerverifiedShow Answer

Oxygen in the lungs diffuses from the capillary walls to enter the alveolar walls.

Correct AnswerverifiedShow Answer

Both inspiration and expiration require active engagement of the diaphragm and the rib muscles.

Correct AnswerverifiedShow Answer

The breathing rate is controlled by chemoreceptors that detect

Correct AnswerverifiedShow Answer

Which of the following respiratory structures will have the least amount of cartilage and the thinnest walls?

Correct AnswerverifiedShow Answer

What happens to the blood pH if a person hyperventilates?

Correct AnswerverifiedShow Answer

The exchange of gases between the lungs and the blood occurs by the process of

Correct AnswerverifiedShow Answer

Scientific studies have shown that which of the following is associated with smoking?

Correct AnswerverifiedShow Answer

Correct Answer
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1. Tidal volume (500 ml)
2. In...
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1. External respiration: exchange of gas...
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