Question 1

The maximum amount of air the lungs can contain is known as inspiratory capacity.

Accepted Answer

A) True 
 B)False

Question 2

Your breathing rate is 14 breaths/minute;spirometric measurements reveal your tidal volume is 500 mL;your inspiratory reserve volume is 3000 mL;and your expiratory reserve volume is 1,200 mL.Your vital capacity is __________ mL.

Accepted Answer

A)   2,400
B)   3,000
C)   3,800
D)   4,700
E)   5,800F) A) and D)
G) C) and D)

Question 3

Which of the following does not contain ciliated cells?

Accepted Answer

A)   Nasal cavity
B)   Trachea
C)   Primary bronchus
D)   Terminal bronchiole
E)   LarygopharynxF) All of the above
G) B) and D)

Question 4

The respiratory system contains a total of five __________.

Accepted Answer

A)   segmental bronchi
B)   choanae
C)   laryngeal cartilages
D)   lobes
E)   tracheal cartilagesF) None of the above
G) C) and D)

Question 5

Which law states that the total atmospheric pressure is a sum of the contributions of the individual gases?

Accepted Answer

A)   Henry's
B)   Charles's
C)   Boyle's
D)   Dalton'sE) A) and B)
F) A) and C)

Question 6

Gas transport is the process of carrying gases from the alveoli to the systemic tissues and vice versa.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following would lead to anemic hypoxia?

Accepted Answer

A)   Sickle-cell disease
B)   Emphysema
C)   Squamous-cell carcinoma
D)   Asthma
E)   AtelectasisF) A) and E)
G) A) and B)

Question 8

Which of the following is a lung disease marked by a reduced number of cilia,reduced motility of the remaining cilia,goblet cell hypertrophy and hypersecretion,and thick sputum?

Accepted Answer

A)   Asthma
B)   Oat-cell carcinoma
C)   Atelectasis
D)   Chronic bronchitis
E)   EmphysemaF) A) and E)
G) A) and D)

Question 9

Which of these is most likely to result from contact between contaminated fingers and the nasal mucosa?

Accepted Answer

A)   Apnea
B)   Adult respiratory distress syndrome
C)   Acute bronchitis
D)   Acute rhinitis
E)   AsthmaF) A) and D)
G) None of the above

Question 10

Each alveolus is surrounded by a web of blood capillaries supplied by the _________.

Accepted Answer

A)   aorta
B)   pulmonary artery
C)   pulmonary vein
D)   inferior vena cava
E)   superior vena cavaF) A) and D)
G) A) and C)

Question 11

Congestive heart failure results in which of the following?

Accepted Answer

A)   Hypoxemic hypoxia
B)   Ischemic hypoxia
C)   Anemic hypoxia
D)   Histotoxic hypoxia
E)   Idiopathic hypoxiaF) A) and B)
G) A) and C) B

Question 12

Tom is in respiratory arrest due to an electrical shock.Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?

Accepted Answer

A)   There is reserve oxygen in Tom's lungs.
B)   There is a venous reserve of oxygen in Tom's blood.
C)   The ambient PO2 can support life that long.
D)   The Haldane effect lasts up to 5 minutes.
E)   Tom's hypoxic drive will keep him alive for up to 5 minutes.F) B) and E)
G) C) and E)

Question 13

In the air we breathe,which gas is found in the highest concentration?

Accepted Answer

A)   Oxygen
B)   Water vapor
C)   Nitrogen
D)   Carbon dioxide
E)   HydrogenF) D) and E)
G) A) and E)

Question 14

Mucus plays an important role in cleansing inhaled air.It is produced by __________ of the respiratory tract.

Accepted Answer

A)   squamous alveolar cells
B)   great alveolar cells
C)   the pleurae
D)   ciliated cells
E)   goblet cellsF) C) and D)
G) A) and B) E

Question 15

Which of the following is not a function of the respiratory system?

Accepted Answer

A)   Control of pH
B)   Promotes the flow of lymph and venous blood
C)   Helps regulate blood pressure
D)   Assists in the synthesis of vasodilators
E)   Aids in defecationF) B) and D)
G) None of the above D

Question 16

What are the most numerous cells in the lungs?

Accepted Answer

A)   Mucosal cells
B)   Type I alveolar cells
C)   Type II alveolar cells
D)   Dust cells
E)   Vibrissal cellsF) A) and D)
G) C) and D)

Question 17

Which of the following enzymes in an RBC breaks H2CO3 down to water and carbon dioxide?

Accepted Answer

A)   Hemoglobinase
B)   Carboxyhemoglobinase
C)   Carbonic anhydrase
D)   Bisphosphoglycerase
E)   CarbaminoreductaseF) All of the above
G) B) and C)

Question 18

Which malignancy originates in the lamina propria of the bronchi?

Accepted Answer

A)   Squamous-cell carcinoma
B)   Oat-cell carcinoma
C)   Adenocarcinoma
D)   Pulmonary edema
E)   Cor pulmonaleF) A) and C)
G) D) and E)

Question 19

Which of the following is the term for the lungs resistance to expansion?

Accepted Answer

A)   Pulmonary ventilation
B)   Pulmonary compliance
C)   Pulmonary stenosis
D)   Pulmonary surfactant
E)   Pulmonary impedanceF) B) and E)
G) A) and E)

Question 20

Which center bears the primary responsibility for generating the respiratory rhythm,but is influenced by several other centers?

Accepted Answer

A)   PRG
B)   DRG
C)   VRG
D)   SRGE) B) and D)
F) A) and D)

Exam 22: The Respiratory System

The maximum amount of air the lungs can contain is known as inspiratory capacity.

Correct AnswerverifiedShow Answer

Your breathing rate is 14 breaths/minute;spirometric measurements reveal your tidal volume is 500 mL;your inspiratory reserve volume is 3000 mL;and your expiratory reserve volume is 1,200 mL.Your vital capacity is __________ mL.

Correct AnswerverifiedShow Answer

Which of the following does not contain ciliated cells?

Correct AnswerverifiedShow Answer

The respiratory system contains a total of five __________.

Correct AnswerverifiedShow Answer

Which law states that the total atmospheric pressure is a sum of the contributions of the individual gases?

Correct AnswerverifiedShow Answer

Gas transport is the process of carrying gases from the alveoli to the systemic tissues and vice versa.

Correct AnswerverifiedShow Answer

Which of the following would lead to anemic hypoxia?

Correct AnswerverifiedShow Answer

Which of the following is a lung disease marked by a reduced number of cilia,reduced motility of the remaining cilia,goblet cell hypertrophy and hypersecretion,and thick sputum?

Correct AnswerverifiedShow Answer

Which of these is most likely to result from contact between contaminated fingers and the nasal mucosa?

Correct AnswerverifiedShow Answer

Each alveolus is surrounded by a web of blood capillaries supplied by the _________.

Correct AnswerverifiedShow Answer

Congestive heart failure results in which of the following?

Correct AnswerverifiedB

Tom is in respiratory arrest due to an electrical shock.Why does a good samaritan have up to 4 or 5 minutes to begin CPR and save Tom's life?

Correct AnswerverifiedShow Answer

In the air we breathe,which gas is found in the highest concentration?

Correct AnswerverifiedShow Answer

Mucus plays an important role in cleansing inhaled air.It is produced by __________ of the respiratory tract.

Correct AnswerverifiedE

Which of the following is not a function of the respiratory system?

Correct AnswerverifiedD

What are the most numerous cells in the lungs?

Correct AnswerverifiedShow Answer

Which of the following enzymes in an RBC breaks H2CO3 down to water and carbon dioxide?

Correct AnswerverifiedShow Answer

Which malignancy originates in the lamina propria of the bronchi?

Correct AnswerverifiedShow Answer

Which of the following is the term for the lungs resistance to expansion?

Correct AnswerverifiedShow Answer

Which center bears the primary responsibility for generating the respiratory rhythm,but is influenced by several other centers?

Correct AnswerverifiedShow Answer

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B

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E

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D

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Which of the following enzymes in an RBC breaks H₂CO₃ down to water and carbon dioxide?

Correct Answer
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