Question 1

Apnea is the slowing of respiration as occurs during sleep.

Accepted Answer

A) True 
 B)False

Question 2

Match the term with the appropriate description or definition.
-total lung capacity "Enter the letter of the correct description below"

Accepted Answer

A)  sum of the inspiratory reserve,expiratory reserve,tidal,and residual volumes
B)  volume of air inspired during a normal inspiration
C)  volume of air remaining in lungs after the most forceful expiration
D)  sum of the expiratory reserve,inspiratory reserve,and tidal volumes
E)  the amount of air that can be forcefully expired after expiration of the normal tidal volumeF) C) and D)
G) A) and E)

Question 3

The lungs have

Accepted Answer

A)  one blood flow route and one lymphatic supply.
B)  two blood flow routes and one lymphatic supply.
C)  one blood flow route and two lymphatic supplies.
D)  two blood flow routes and two lymphatic supplies.
E)  three blood flow routes and one lymphatic supply.F) None of the above
G) A) and B)

Question 4

Gas exchange between the air in the lungs and the blood takes place in the

Accepted Answer

A)  alveoli.
B)  primary bronchi.
C)  terminal bronchioles.
D)  trachea.
E)  respiratory bronchi.F) C) and E)
G) A) and B)

Question 5

The Hering-Breuer reflex

Accepted Answer

A)  causes erratic respirations.
B)  helps prevent overinflation of the lungs.
C)  has its sensory components in the sympathetic nerves.
D)  is a normal response to increased oxygen content in the blood.
E)  limits how much air a person can expire.F) A) and B)
G) C) and D)

Question 6

During expiration,the alveolar pressure must be

Accepted Answer

A)  greater than atmospheric pressure.
B)  less than atmospheric pressure.
C)  equal to atmospheric pressure.
D)  greater than pleural pressure.
E)  None of these choices is correct.F) A) and B)
G) A) and C)

Question 7

A person has severe damage or disease in the upper area of their right lung.Surgery is necessary.The doctor would need to remove

Accepted Answer

A)  the entire right lung.
B)  the superior lobe of the right lung.
C)  the apical bronchopulmonary segment of the right lung.
D)  only the damaged area of the apical bronchopulmonary segment.
E)  the apical,anterior,and posterior segments of the superior lobe.F) B) and C)
G) A) and E)

Question 8

The chemosensitive area of the brain is located in the

Accepted Answer

A)  pons.
B)  cerebral peduncles.
C)  cerebellum.
D)  hypothalamus.
E)  medulla oblongata.F) B) and E)
G) A) and B)

Question 9

A decrease in the surface area of the respiratory membrane will cause the diffusion rate to

Accepted Answer

A)  increase.
B)  decrease.
C)  remain unchanged.D) A) and B)
E) All of the above

Question 10

The portion of the pharynx that extends from the internal nares to the level of the uvula is the

Accepted Answer

A)  glottis.
B)  nasopharynx.
C)  oropharynx.
D)  laryngopharynx.
E)  glottopharynx.F) D) and E)
G) B) and E)

Question 11

The walls of the alveoli

Accepted Answer

A)  are composed of simple squamous epithelium.
B)  contain several layers of smooth muscle.
C)  contain goblet cells.
D)  are surrounded by cartilage.
E)  are ciliated.F) A) and C)
G) A) and D)

Question 12

Which of the following individuals will have the highest vital capacity?

Accepted Answer

A)  a well-trained athlete (male or female) 
B)  a middle-aged,short female
C)  an 80-year-old male
D)  a young,obese male
E)  an adult femaleF) C) and D)
G) A) and E)

Question 13

Surfactant facilitates alveolar ventilation by

Accepted Answer

A)  decreasing the surface tension between water molecules on the lining of the alveoli.
B)  decreasing thoracic compliance.
C)  attracting water to the alveolar surface.
D)  increasing the surface area for gas exchange.
E)  increases the surface tension between fluid and the alveoli.F) B) and E)
G) C) and D)

Question 14

Which of the following molecules acts as a buffer during the chloride shift?

Accepted Answer

A)  carbon dioxide
B)  hemoglobin
C)  carbonic anhydrase
D)  water
E)  bicarbonate ionF) D) and E)
G) A) and E)

Question 15

What factors are responsible for the decrease in the volume of the alveoli?

Accepted Answer

A)  compliance and lung recoil
B)  lung recoil and surface tension of water
C)  compliance and surface tension of water
D)  perfusion and lung recoilE) B) and C)
F) None of the above

Question 16

Match the disorder of the respiratory system with the best description.
-increase in pH

Accepted Answer

A)  destruction of the alveolar walls
B)  inflammation of the bronchii
C)  inherited disease that affects secretory cells lining the lungs
D)  replacement of lung tissue with fibrous connective tissue
E)  infant stops breathing during sleepF) A) and C)
G) B) and D)

Question 17

Mr.Jones has a blood pH of 7.00 and a temperature of 100.5 °\degree° F.His oxygen-hemoglobin dissociation curve would

Accepted Answer

A)  shift to the right,causing more O2 to be released to his cells.
B)  shift to the left,allowing less O2 to be released to his cells.
C)  show no change,allowing the O2 concentration to remain stable. D) None of the above
E) All of the above

Question 18

Increasing ventilation will increase the PO2 and decrease the PCO2,which promotes gas exchange.

Accepted Answer

A) True 
 B)False

Question 19

Match the disorder of the respiratory system with the best description.
-decrease in carbon dioxide

Accepted Answer

A)  destruction of the alveolar walls
B)  inflammation of the bronchii
C)  inherited disease that affects secretory cells lining the lungs
D)  replacement of lung tissue with fibrous connective tissue
E)  infant stops breathing during sleepF) B) and E)
G) None of the above

Question 20

The respiratory zone of the tracheobronchial tree includes which of the following?

Accepted Answer

A)  trachea
B)  alveoli
C)  primary bronchi
D)  larynx
E)  tertiary bronchiF) C) and D)
G) None of the above

Exam 23: Respiratory System

Mr.Jones has a blood pH of 7.00 and a temperature of 100.5 °\degree° F.His oxygen-hemoglobin dissociation curve would

Correct AnswerverifiedShow Answer

The walls of the alveoli

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The chemosensitive area of the brain is located in the

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Increasing ventilation will increase the PO2 and decrease the PCO2,which promotes gas exchange.

Correct AnswerverifiedShow Answer

The lungs have

Correct AnswerverifiedShow Answer

Match the disorder of the respiratory system with the best description. -increase in pH

Correct AnswerverifiedShow Answer

Which of the following molecules acts as a buffer during the chloride shift?

Correct AnswerverifiedShow Answer

The portion of the pharynx that extends from the internal nares to the level of the uvula is the

Correct AnswerverifiedShow Answer

During expiration,the alveolar pressure must be

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Surfactant facilitates alveolar ventilation by

Correct AnswerverifiedShow Answer

A person has severe damage or disease in the upper area of their right lung.Surgery is necessary.The doctor would need to remove

Correct AnswerverifiedShow Answer

The respiratory zone of the tracheobronchial tree includes which of the following?

Correct AnswerverifiedShow Answer

Apnea is the slowing of respiration as occurs during sleep.

Correct AnswerverifiedShow Answer

Which of the following individuals will have the highest vital capacity?

Correct AnswerverifiedShow Answer

What factors are responsible for the decrease in the volume of the alveoli?

Correct AnswerverifiedShow Answer

A decrease in the surface area of the respiratory membrane will cause the diffusion rate to

Correct AnswerverifiedShow Answer

The Hering-Breuer reflex

Correct AnswerverifiedShow Answer

Match the term with the appropriate description or definition. -total lung capacity "Enter the letter of the correct description below"

Correct AnswerverifiedShow Answer

Match the disorder of the respiratory system with the best description. -decrease in carbon dioxide

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Gas exchange between the air in the lungs and the blood takes place in the

Correct AnswerverifiedShow Answer

Mr.Jones has a blood pH of 7.00 and a temperature of 100.5 $\degree$ F.His oxygen-hemoglobin dissociation curve would

Correct Answer
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Increasing ventilation will increase the PO₂ and decrease the PCO₂,which promotes gas exchange.

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