Question 1

From the inside of the lungs,what is the first cell type the air must pass through to reach the blood?

Accepted Answer

A)   simple squamous epithelium
B)   cartilage
C)   muscle
D)   red blood cells
E)   pseudostratified ciliated columnar epitheliumF) C) and D)
G) D) and E)

Question 2

A pressurized airplane cabin and an oxygen tent over a patient in a hospital both address the need of a person for oxygen.How do these compare?

Accepted Answer

A)   The oxygen tent increases the air pressure to increase the PO2.
B)   Airplane cabin pressure lowers the partial pressures for normal breathing.
C)   Both use the same mechanism to force hemoglobin to increase affinity for oxygen.
D)   The oxygen tent increases concentration of O2 while the airplane maintains total air pressure without changing concentrations.
E)   Both increase the PO2 in order to force the exchange of oxygen for carbon dioxide.F) A) and E)
G) B) and E)

Question 3

Almost all of the disorders of the respiratory system are due to infectious diseases.Those that are not infectious are mostly likely inherited diseases.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following diseases make up chronic obstructive pulmonary disease (COPD) ?

Accepted Answer

A)   emphysema, chronic bronchitis, and asthma
B)   emphysema, tuberculosis, and cystic fibrosis
C)   chronic bronchitis, tuberculosis, and pulmonary fibrosis
D)   tuberculosis, cystic fibrosis, and asthma
E)   pulmonary fibrosis, asthma, and cystic fibrosisF) All of the above
G) None of the above

Question 5

Blood in the pulmonary capillaries has a higher partial pressure of carbon dioxide than atmospheric air.

Accepted Answer

A) True 
 B)False

Question 6

You are looking at a structure in the respiratory tract that is filled with small sacs or air pockets.What structure are you looking at?

Accepted Answer

A)   bronchi
B)   alveoli
C)   larynx
D)   pharynx
E)   noseF) A) and E)
G) None of the above

Question 7

The maximum volume of air that can be moved in plus the maximum volume of air that can be moved out during a single breath is the

Accepted Answer

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

Question 8

How does expired air compare with inspired air?

Accepted Answer

A)   Expired air contains less oxygen but more carbon dioxide.
B)   Expired air contains less oxygen and less carbon dioxide.
C)   Expired air contains more oxygen and more carbon dioxide.
D)   Expired air contains more oxygen but less carbon dioxide.
E)   Expired and inspired air contain the same amount of oxygen and carbon dioxide.F) All of the above
G) A) and E)

Question 9

Which association is NOT correct?

Accepted Answer

A)   larynx-voice box
B)   trachea-windpipe
C)   alveoli-gas exchange
D)   pharynx-vocal cords
E)   hair and mucus-nasal passagesF) A) and B)
G) A) and C)

Question 10

Which respiratory organ normally allows both air and food passage?

Accepted Answer

A)   bronchi
B)   trachea
C)   larynx
D)   pharynx
E)   nasal cavityF) A) and B)
G) None of the above

Question 11

Which of the following is an upper respiratory tract disease?

Accepted Answer

A)   pharyngitis
B)   acute bronchitis
C)   asthma
D)   pneumonia
E)   cystic fibrosisF) A) and B)
G) B) and D)

Question 12

What components does respiration include?

Accepted Answer

A)   only the exchange of oxygen in the lungs
B)   exchange of gases in the lungs and in the tissues
C)   only the exchange of oxygen in the tissues
D)   only exchange of carbon dioxide in the lungs
E)   only the exchange of carbon dioxide in the tissuesF) C) and D)
G) A) and E)

Question 13

What happens if you hyperventilate?

Accepted Answer

A)   Oxygen diffuses out of the blood into the lungs.
B)   The pH of the blood increases.
C)   There are more hydrogen ions in the blood.
D)   Carbon dioxide diffuses out of the lungs into the blood.
E)   More bicarbonate ion is formed.F) All of the above
G) A) and E)

Question 14

What happens to the pH of the bloodstream if a person hypoventilates?

Accepted Answer

A)   the pH of the blood will decrease
B)   the pH of the blood will increase
C)   the pH of the blood will initially increase and then dramatically decrease
D)   the pH of the blood will initially decrease and then dramatically increase
E)   nothing will happen to the pH of the bloodF) A) and B)
G) A) and C)

Question 15

In which disease of the lungs do the lungs fill with thick fluid?

Accepted Answer

A)   pharyngitis
B)   sinusitis
C)   emphysema
D)   tuberculosis
E)   pneumoniaF) A) and B)
G) A) and C)

Question 16

After the trachea,what is the next structure the air passes through?

Accepted Answer

A)   bronchi
B)   alveolus
C)   larynx
D)   pharynx
E)   bronchiolesF) A) and B)
G) C) and D)

Question 17

The highest carbon dioxide concentration will be found in (or at) the

Accepted Answer

A)   atmosphere.
B)   trachea.
C)   alveoli.
D)   tissue cells.
E)   blood.F) All of the above
G) A) and C)

Question 18

Imagine you are trying to fit down an isle at the local store that is filled with boxes.In order to squeeze between two stacks of boxes you need to "suck it in".Which of the following descriptions best explains why "sucking it in" isn't the best way to fit through a tight space?

Accepted Answer

A)   While sucking it in, your diaphragm contracts and moves down causing the lung volume to increase. This causes the rib cage to move up and out, making your chest larger.
B)   While sucking it in, your diaphragm contracts and moves upward causing the lung volume to increase. This causes the rib cage to move up and out, making your chest larger.
C)   While sucking it in, your diaphragm contracts and moves down causing the lung volume to decrease. This causes the rib cage to move up and out, making your chest larger.
D)   While sucking it in, your diaphragm contracts and moves down causing the lung volume to increase. This causes the rib cage to move down and out, making your chest larger.
E)   While sucking it in, your diaphragm contracts and moves upward causing the lung volume to increase. This causes the rib cage to move down and out, making your chest larger.F) A) and E)
G) B) and E)

Question 19

Which of the following statements is NOT true regarding the normal mechanism of ventilation?

Accepted Answer

A)   There must be a continuous column of air from the pharynx to the alveoli.
B)   The lungs must lie within a sealed-off thoracic cavity.
C)   The inner and outer pleural membranes must be separated by a thin film of fluid.
D)   The intrapleural pressure must be greater than the atmospheric pressure.
E)   The diaphragm, when contracted, will be lowered.F) A) and C)
G) None of the above

Question 20

A lung disease caused by bacteria which become encapsulated is called

Accepted Answer

A)   emphysema.
B)   pneumonia.
C)   rheumatic fever.
D)   tuberculosis.
E)   pulmonary fibrosis.F) C) and E)
G) D) and E)

Exam 15: Respiratory System

What happens if you hyperventilate?

Correct AnswerverifiedShow Answer

In which disease of the lungs do the lungs fill with thick fluid?

Correct AnswerverifiedShow Answer

Which of the following is an upper respiratory tract disease?

Correct AnswerverifiedShow Answer

Blood in the pulmonary capillaries has a higher partial pressure of carbon dioxide than atmospheric air.

Correct AnswerverifiedShow Answer

What components does respiration include?

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true regarding the normal mechanism of ventilation?

Correct AnswerverifiedShow Answer

You are looking at a structure in the respiratory tract that is filled with small sacs or air pockets.What structure are you looking at?

Correct AnswerverifiedShow Answer

Which respiratory organ normally allows both air and food passage?

Correct AnswerverifiedShow Answer

The highest carbon dioxide concentration will be found in (or at) the

Correct AnswerverifiedShow Answer

How does expired air compare with inspired air?

Correct AnswerverifiedShow Answer

Which association is NOT correct?

Correct AnswerverifiedShow Answer

The maximum volume of air that can be moved in plus the maximum volume of air that can be moved out during a single breath is the

Correct AnswerverifiedShow Answer

A pressurized airplane cabin and an oxygen tent over a patient in a hospital both address the need of a person for oxygen.How do these compare?

Correct AnswerverifiedShow Answer

From the inside of the lungs,what is the first cell type the air must pass through to reach the blood?

Correct AnswerverifiedShow Answer

Imagine you are trying to fit down an isle at the local store that is filled with boxes.In order to squeeze between two stacks of boxes you need to "suck it in".Which of the following descriptions best explains why "sucking it in" isn't the best way to fit through a tight space?

Correct AnswerverifiedShow Answer

Which of the following diseases make up chronic obstructive pulmonary disease (COPD) ?

Correct AnswerverifiedShow Answer

What happens to the pH of the bloodstream if a person hypoventilates?

Correct AnswerverifiedShow Answer

Almost all of the disorders of the respiratory system are due to infectious diseases.Those that are not infectious are mostly likely inherited diseases.

Correct AnswerverifiedShow Answer

After the trachea,what is the next structure the air passes through?

Correct AnswerverifiedShow Answer

A lung disease caused by bacteria which become encapsulated is called

Correct AnswerverifiedShow Answer

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