Question 1

The movement of chloride ions into the RBCs in exchange for bicarbonate ions is known as the ________.

Accepted Answer

The answer of The movement of chloride ions into the...

Question 2

P inside C) P outside  
Figure 23-2 Mechanics of Ventilation
Use Figure 23-2 to answer the following question:
-What is the relationship between the pressures at label "3"?

Accepted Answer

A)  P outside = P inside
B)  P outside > P inside
C)  P outside 
D)  P outside + P inside
E)  P outside - P insideF) B) and E)
G) All of the above

Question 3

The portion of the pharynx that receives both air and food is the

Accepted Answer

A)  nasopharynx.
B)  oropharynx.
C)  laryngopharynx.
D)  aeropharynx.
E)  internal pharynx.F) B) and E)
G) B) and C)

Question 4

The partial pressure of carbon dioxide in venous blood is approximately

Accepted Answer

A)  40 mm Hg.
B)  45 mm Hg.
C)  50 mm Hg.
D)  70 mm Hg.
E)  100 mm Hg.F) All of the above
G) B) and E)

Question 5

Physical damage to the lamina propria of the nasal mucosa is likely to result in

Accepted Answer

A)  epistaxis.
B)  nasal congestion.
C)  nosebleeds.
D)  a deviated septum.
E)  epistaxis or nosebleeds.F) B) and E)
G) A) and E)

Question 6

What are the primary functions of the respiratory system?

Accepted Answer

(1)Provide an extensive area for gas exc...

Question 7

Expiratory movements are produced by contraction of the ________ muscle.

Accepted Answer

A)  scalene
B)  diaphragm
C)  internal intercostal
D)  external intercostal
E)  serratus anteriorF) A) and B)
G) A) and E)

Question 8

The largest cartilage of the larynx is the ________ cartilage.

Accepted Answer

A)  thyroid
B)  cricoid
C)  cuneiform
D)  arytenoid
E)  epiglotticF) C) and E)
G) B) and C)

Question 9

________ involves active inspiratory and expiratory movements and calls on accessory muscles to assist with inhalation,while exhalation involves contraction of the internal intercostal muscles and sometimes abdominal muscles too.

Accepted Answer

A)  Eupnea
B)  Forced breathing
C)  Costal breathing
D)  Vital breathing
E)  Passive breathingF) A) and C)
G) B) and C)

Question 10

An acute infection of the throat that can lead to swelling and closure of the glottis and cause suffocation is known as

Accepted Answer

A)  laryngitis.
B)  laryngospasm.
C)  acute epiglottitis.
D)  strep throat.
E)  acute pharyngitis.F) A) and B)
G) A) and C)

Question 11

Under quiet conditions,blood returning to the heart retains about ________ of its oxygen content when it leaves the lungs.

Accepted Answer

A)  25 percent
B)  50 percent
C)  75 percent
D)  90 percent
E)  100 percentF) A) and B)
G) B) and E)

Question 12

Increasing the alveolar ventilation rate will

Accepted Answer

A)  decrease the partial pressure of carbon dioxide in the alveoli.
B)  decrease the rate of oxygen diffusion from the alveoli to the blood.
C)  increase the partial pressure of carbon dioxide in the alveoli.
D)  decrease the rate of carbon dioxide diffusion from the blood to the alveoli.
E)  hardly affect either the partial pressure or diffusion of gases.F) B) and D)
G) B) and C)

Question 13

When there is no air movement,the relationship between the intrapulmonary and atmospheric pressure is that

Accepted Answer

A)  they are equal.
B)  intrapulmonary pressure is greater than atmospheric.
C)  atmospheric pressure is less than intrapulmonary.
D)  atmospheric pressure is more than intrapulmonary.
E)  intrapulmonary pressure is less than atmospheric.F) B) and D)
G) A) and B)

Question 14

Stimulation of the apneustic center would result in

Accepted Answer

A)  increased respiratory rate.
B)  more intense inhalation.
C)  a shorter respiratory cycle.
D)  less activity in the DRG center.
E)  decreased vital capacity.F) A) and E)
G) All of the above

Question 15

The most important chemical regulator of respiration is

Accepted Answer

A)  oxygen.
B)  carbon dioxide.
C)  bicarbonate ion.
D)  sodium ion.
E)  hemoglobin.F) D) and E)
G) B) and D)

Question 16

Which respiratory organ(s) has a cardiac notch?

Accepted Answer

A)  right lung
B)  left lung
C)  right primary bronchus
D)  left primary bronchus
E)  both the right and the left lungsF) B) and C)
G) C) and D)

Question 17

Tension on the vocal cords is regulated by the

Accepted Answer

A)  movement of the arytenoid cartilages.
B)  extrinsic ligaments.
C)  contraction of laryngeal muscles.
D)  movement of the arytenoid cartilages and contraction of laryngeal muscles.
E)  extrinsic and intrinsic ligaments.F) A) and D)
G) C) and D)

Question 18

Figure 23-1 The Upper Airways
Use Figure 23-1 to answer the following question:
-What is the function of the structure labeled "8"?

Accepted Answer

A)  forces air into the lungs
B)  causes air to swirl within the respiratory passageway
C)  prevents food from entering the larynx
D)  acts like a supplementary air pump
E)  prevents food from entering the pharynxF) A) and B)
G) B) and D)

Question 19

The interlobular septa divide the lungs into

Accepted Answer

A)  lobes.
B)  pulmonary lobules.
C)  alveolar sacs.
D)  vital capacity and residual volume.
E)  visceral pleura and fibrous trabeculae.F) All of the above
G) B) and D)

Question 20

The larynx,trachea,bronchi,and bronchioles all make up the

Accepted Answer

A)  upper respiratory tract.
B)  lower respiratory tract.
C)  internal respiratory tract.
D)  alveoli of the respiratory tract.
E)  respiratory mucosa.F) A) and C)
G) A) and E)

Exam 23: The Respiratory System

Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following question: -What is the relationship between the pressures at label "3"?

Correct AnswerverifiedShow Answer

The interlobular septa divide the lungs into

Correct AnswerverifiedShow Answer

The largest cartilage of the larynx is the ________ cartilage.

Correct AnswerverifiedShow Answer

The larynx,trachea,bronchi,and bronchioles all make up the

Correct AnswerverifiedShow Answer

Figure 23-1 The Upper Airways Use Figure 23-1 to answer the following question: -What is the function of the structure labeled "8"?

Correct AnswerverifiedShow Answer

Under quiet conditions,blood returning to the heart retains about ________ of its oxygen content when it leaves the lungs.

Correct AnswerverifiedShow Answer

Physical damage to the lamina propria of the nasal mucosa is likely to result in

Correct AnswerverifiedShow Answer

The movement of chloride ions into the RBCs in exchange for bicarbonate ions is known as the ________.

Correct AnswerverifiedShow Answer

Stimulation of the apneustic center would result in

Correct AnswerverifiedShow Answer

Increasing the alveolar ventilation rate will

Correct AnswerverifiedShow Answer

________ involves active inspiratory and expiratory movements and calls on accessory muscles to assist with inhalation,while exhalation involves contraction of the internal intercostal muscles and sometimes abdominal muscles too.

Correct AnswerverifiedShow Answer

The partial pressure of carbon dioxide in venous blood is approximately

Correct AnswerverifiedShow Answer

An acute infection of the throat that can lead to swelling and closure of the glottis and cause suffocation is known as

Correct AnswerverifiedShow Answer

What are the primary functions of the respiratory system?

Correct Answerverified(1)Provide an extensive area for gas exc...View AnswerShow Answer

The portion of the pharynx that receives both air and food is the

Correct AnswerverifiedShow Answer

Expiratory movements are produced by contraction of the ________ muscle.

Correct AnswerverifiedShow Answer

When there is no air movement,the relationship between the intrapulmonary and atmospheric pressure is that

Correct AnswerverifiedShow Answer

Tension on the vocal cords is regulated by the

Correct AnswerverifiedShow Answer

Which respiratory organ(s) has a cardiac notch?

Correct AnswerverifiedShow Answer

The most important chemical regulator of respiration is

Correct AnswerverifiedShow Answer

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(1)Provide an extensive area for gas exc...
View Answer

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