Question 1

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 E)
G) None of the above

Question 2

During exercise, which of the following directly increases respiratory rate?

Accepted Answer

A)  increased H+ level in the blood
B)  the Bohr effect
C)  reduced blood pH
D)  reduced oxyhemoglobin
E)  anticipation of the needs of exercising muscleF) All of the above
G) B) and C)

Question 3

Which of the following does not have cilia?

Accepted Answer

A)  the nasal cavity
B)  the trachea
C)  the bronchi
D)  terminal bronchioles
E)  respiratory bronchiolesF) None of the above
G) B) and E)

Question 4

In a healthy person, which of the following will have the greatest influence on resistance to pulmonary airflow?

Accepted Answer

A)  atmospheric pressure
B)  respiratory rate
C)  bronchiole diameter
D)  quantity of surfactant
E)  the diaphragmF) B) and E)
G) A) and E)

Question 5

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

Question 6

The amount of air in excess of tidal volume that can be inhaled with maximum effort is called

Accepted Answer

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

Question 7

What is the basic distinction between an alveolar duct and an alveolar atrium?

Accepted Answer

A)  their shape
B)  their size
C)  their function
D)  their epithelial type
E)  presence or absence of ciliaF) D) and E)
G) B) and C)

Question 8

Breathing is controlled solely by the medulla oblongata and pons.

Accepted Answer

A) True 
 B)False

Question 9

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

Question 10

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) None of the above
G) C) and D)

Question 11

states that the total pressure of a gas mixture is equal to the sum of the partial pressures of its individual gases.

Accepted Answer

A)  Boyle's law
B)  Valsalva's law
C)  Dalton's law
D)  Charles's law
E)  Henry's lawF) A) and B)
G) A) and C)

Question 12

Polio can sometimes damage the brainstem respiratory centers and result in

Accepted Answer

A)  a Bohr effect.
B)  adult respiratory distress syndrome.
C)  pneumothorax.
D)  atelectasis.
E)  Ondine's curse.F) None of the above
G) A) and D)

Question 13

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

Accepted Answer

A)  It helps control the pH of body fluids.
B)  It promotes the flow of lymph and venous blood.
C)  It helps regulate blood pressure.
D)  It assists in the synthesis of vasodilators.
E)  It helps with defecation.F) C) and D)
G) B) and D)

Question 14

Carbon dioxide is transported by all the following means except

Accepted Answer

A)  carbaminohemoglobin.
B)  carbonic acid.
C)  carbonate.
D)  bicarbonate ions.
E)  dissolved gas.F) A) and B)
G) B) and D)

Question 15

The rate of oxygen diffusion is affected by the pressure gradient of carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following cartilages is largest?

Accepted Answer

A)  the corniculate cartilage
B)  the epiglottic cartilage
C)  the thyroid cartilage
D)  the cricoid cartilage
E)  the arytenoid cartilageF) D) and E)
G) B) and D)

Question 17

The vagus and glossopharyngeal nerves carry afferent signals from peripheral chemoreceptors to a chemosensitive area in

Accepted Answer

A)  the pontine respiratory group.
B)  the dorsal respiratory group.
C)  the ventral respiratory group.
D)  the medulla oblongata.
E)  the pons.F) A) and B)
G) A) and E)

Question 18

Carbon monoxide competes with oxygen for the same binding site.

Accepted Answer

A) True 
 B)False

Question 19

In , the lungs are infected with Mycobacterium and produce fibrous nodules around the bacteria, leading to progressive pulmonary fibrosis.

Accepted Answer

A)  pneumonia
B)  dyspnea
C)  pneumothorax
D)  tuberculosis
E)  rhinitisF) A) and C)
G) B) and D)

Question 20

According to the Bohr effect, a low level of oxyhemoglobin enables the blood to transport more
CO₂.

Accepted Answer

A) True 
 B)False

Exam 22: The Respiratory System

Carbon monoxide competes with oxygen for the same binding site.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Carbon dioxide is transported by all the following means except

Correct AnswerverifiedShow Answer

Which malignancy originates in the lamina propria of the bronchi?

Correct AnswerverifiedShow Answer

In , the lungs are infected with Mycobacterium and produce fibrous nodules around the bacteria, leading to progressive pulmonary fibrosis.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

According to the Bohr effect, a low level of oxyhemoglobin enables the blood to transport more CO₂.

Correct AnswerverifiedShow Answer

states that the total pressure of a gas mixture is equal to the sum of the partial pressures of its individual gases.

Correct AnswerverifiedShow Answer

The amount of air in excess of tidal volume that can be inhaled with maximum effort is called

Correct AnswerverifiedShow Answer

The rate of oxygen diffusion is affected by the pressure gradient of carbon dioxide.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The vagus and glossopharyngeal nerves carry afferent signals from peripheral chemoreceptors to a chemosensitive area in

Correct AnswerverifiedShow Answer

Which of the following does not have cilia?

Correct AnswerverifiedShow Answer

Polio can sometimes damage the brainstem respiratory centers and result in

Correct AnswerverifiedShow Answer

In a healthy person, which of the following will have the greatest influence on resistance to pulmonary airflow?

Correct AnswerverifiedShow Answer

Breathing is controlled solely by the medulla oblongata and pons.

Correct AnswerverifiedShow Answer

What is the basic distinction between an alveolar duct and an alveolar atrium?

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 cartilages is largest?

Correct AnswerverifiedShow Answer

During exercise, which of the following directly increases respiratory rate?

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified