Question 1

The function of the nasal conchae is to

Accepted Answer

A)   divide the nasal cavity into a right and a left side.
B)   provide an opening into the pharynx.
C)   provide a surface for gas exchange.
D)   create turbulence in the air to trap small particles in mucus.
E)   provide an opening to the outside of the body.F) D) and E)
G) A) and E)

Question 2

Diagnostic tests on a 50-year-old male show the following results: IRV = 3000 ml,ERV = 900 ml,tidal volume = 500 ml,residual volume = 1300 ml
What is this patient's vital capacity?

Accepted Answer

A)   5700 ml
B)   5200 ml
C)   4400 ml
D)   3900 ml
E)   3500 mlF) B) and D)
G) A) and B)

Question 3

The paranasal sinuses,together with other structures of the upper respiratory tract,

Accepted Answer

A)   are where a small percentage of gas exchange occurs.
B)   form part of the respiratory membrane.
C)   are involved in filtering, warming, and humidifying incoming air.
D)   provide a large area for gas exchange between air and circulating blood.
E)   are lined by a delicate simple squamous epithelium.F) A) and B)
G) C) and E)

Question 4

Figure 15-1 Components of the Respiratory System
Use Figure 15-1 to identify the labeled part.
-Label K represents which structure(s) ?

Accepted Answer

A)   trachea
B)   smallest bronchioles
C)   bronchus
D)   alveoli
E)   bronchiolesF) A) and C)
G) B) and E)

Question 5

Most of the carbon dioxide transported by the blood (approximately 70%) is

Accepted Answer

A)   dissolved in plasma.
B)   bound to hemoglobin.
C)   transported as bicarbonate ions in the plasma.
D)   bound to the same protein as carbon dioxide.
E)   carried by white blood cells.F) D) and E)
G) None of the above

Question 6

Which of the following is described as an inflammation of the pulmonary lobules that typically results from infection?

Accepted Answer

A)   pneumonia
B)   pneumothorax
C)   cystic fibrosis
D)   pleurisy
E)   emphysemaF) C) and E)
G) A) and E)

Question 7

Functions of the respiratory system include

Accepted Answer

A)   protecting respiratory surfaces from dehydration and temperature changes.
B)   producing leukocytes needed to defend against invading pathogens.
C)   generating neurotransmitters essential to the neural control of respiration.
D)   providing erythrocytes, especially during times of increased oxygen demand.
E)   melanin synthesis and utilization to shield alveoli from environmental hazards.F) C) and D)
G) A) and C)

Question 8

The volume of air that can be voluntarily exhaled at the end of a single resting respiratory cycle is known as

Accepted Answer

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

Question 9

In quiet breathing,

Accepted Answer

A)   inspiration and expiration involve muscular contractions.
B)   inspiration is passive and expiration involves muscular contractions.
C)   inspiration involves muscular contractions and expiration is passive.
D)   inspiration and expiration are both passive processes.
E)   only the diaphragm is active during inhalation.F) All of the above
G) A) and B)

Question 10

In this procedure,an incision is made through the anterior tracheal wall and a tube is inserted.

Accepted Answer

A)   tracheostomy
B)   Heimlich maneuver
C)   bronchoscopy
D)   laryngectomy
E)   intubationF) None of the above
G) A) and E)

Question 11

The respiratory surfaces of the nasal cavity are cleared by mucus produced in part by which of the following?

Accepted Answer

A)   external nares
B)   paranasal sinuses
C)   soft palate
D)   nasal vestibule
E)   nasopharynxF) A) and E)
G) A) and D)

Question 12

Figure 15-1 Components of the Respiratory System
Use Figure 15-1 to identify the labeled part.
-Label D represents which structure(s) ?

Accepted Answer

A)   nose
B)   nasal cavity
C)   pharynx
D)   sinuses
E)   larynxF) A) and B)
G) A) and C)

Question 13

Air entering the body is filtered,warmed,and humidified by the

Accepted Answer

A)   upper (conducting)  portion of the respiratory tract.
B)   lower (respiratory)  portion of the respiratory tract.
C)   lungs.
D)   alveoli.
E)   bronchioles.F) C) and D)
G) A) and B)

Question 14

The elastic structure that folds back over the glottis,preventing the entry of liquids or solid food into the respiratory tract during swallowing,is the

Accepted Answer

A)   thyroid cartilage.
B)   glottis.
C)   corniculate cartilage.
D)   cuneiform cartilage.
E)   epiglottis.F) B) and D)
G) A) and C)

Question 15

The trachea

Accepted Answer

A)   is lined by dense regular connective tissue.
B)   is reinforced with C-shaped cartilages.
C)   contains the vocal cords.
D)   always maintains the same diameter.
E)   ends distally at the level of the diaphragm.F) A) and E)
G) C) and E)

Question 16

Centers in which of the following adjust the respiratory rate and depth of respiration in response to sensory stimuli,emotional states,or speech patterns?

Accepted Answer

A)   midbrain
B)   cerebellum
C)   cerebrum
D)   spinal cord
E)   ponsF) A) and D)
G) A) and E)

Question 17

Atmospheric pressure at sea level can be summarized as follows:

Accepted Answer

A)   760 mm Hg
B)   14 mm Hg
C)   569 mm Hg
D)   380 mm Hg
E)   100 mm HgF) A) and B)
G) A) and C)

Question 18

The amount of oxygen bound (or released) by hemoglobin depends primarily on which of the following?

Accepted Answer

A)    of its surroundings
B)    of its surroundings
C)   the carbonic anhydrase available
D)    of its surroundings
E)   the effect of the chloride shiftF) B) and E)
G) B) and C)

Question 19

The pitch of a vocal sound is controlled by changing the

Accepted Answer

A)   force of air.
B)   diameter, length, and tension of the vocal cords.
C)   size of the laryngeal cartilage.
D)   shape of the laryngeal cartilage.
E)   length and depth of the nasal cavity.F) A) and C)
G) A) and D)

Question 20

When the chest cavity has been penetrated,as in a pneumothorax,the amount of air in the respiratory system is reduced to the

Accepted Answer

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

Exam 15: The Respiratory System

Atmospheric pressure at sea level can be summarized as follows:

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In this procedure,an incision is made through the anterior tracheal wall and a tube is inserted.

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Figure 15-1 Components of the Respiratory System Use Figure 15-1 to identify the labeled part. -Label D represents which structure(s) ?

Correct AnswerverifiedShow Answer

The volume of air that can be voluntarily exhaled at the end of a single resting respiratory cycle is known as

Correct AnswerverifiedShow Answer

The function of the nasal conchae is to

Correct AnswerverifiedShow Answer

Which of the following is described as an inflammation of the pulmonary lobules that typically results from infection?

Correct AnswerverifiedShow Answer

The paranasal sinuses,together with other structures of the upper respiratory tract,

Correct AnswerverifiedShow Answer

The pitch of a vocal sound is controlled by changing the

Correct AnswerverifiedShow Answer

Figure 15-1 Components of the Respiratory System Use Figure 15-1 to identify the labeled part. -Label K represents which structure(s) ?

Correct AnswerverifiedShow Answer

When the chest cavity has been penetrated,as in a pneumothorax,the amount of air in the respiratory system is reduced to the

Correct AnswerverifiedShow Answer

The amount of oxygen bound (or released) by hemoglobin depends primarily on which of the following?

Correct AnswerverifiedShow Answer

Diagnostic tests on a 50-year-old male show the following results: IRV = 3000 ml,ERV = 900 ml,tidal volume = 500 ml,residual volume = 1300 ml What is this patient's vital capacity?

Correct AnswerverifiedShow Answer

Most of the carbon dioxide transported by the blood (approximately 70%) is

Correct AnswerverifiedShow Answer

The elastic structure that folds back over the glottis,preventing the entry of liquids or solid food into the respiratory tract during swallowing,is the

Correct AnswerverifiedShow Answer

In quiet breathing,

Correct AnswerverifiedShow Answer

Centers in which of the following adjust the respiratory rate and depth of respiration in response to sensory stimuli,emotional states,or speech patterns?

Correct AnswerverifiedShow Answer

The respiratory surfaces of the nasal cavity are cleared by mucus produced in part by which of the following?

Correct AnswerverifiedShow Answer

Functions of the respiratory system include

Correct AnswerverifiedShow Answer

Air entering the body is filtered,warmed,and humidified by the

Correct AnswerverifiedShow Answer

The trachea

Correct AnswerverifiedShow Answer

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