Question 1

Which law explains why a gas will move from one area to another area?

Accepted Answer

A)   Dalton's Law
B)   Henry's Law
C)   Charles Law
D)   Boyle's LawE) A) and C)
F) B) and C)

Question 2

The diameter of bronchioles can change because their walls contain ________.

Accepted Answer

A)   smooth muscle
B)   skeletal muscle
C)   fibrous cartilage
D)   hyaline cartilage
E)   elastic cartilageF) A) and B)
G) A) and C)

Question 3

Match the disorder of the respiratory system with the best description.
-Pulmonary fibrosis

Accepted Answer

A)  Destruction of the alveolar walls
B)  Inflammation of the bronchi
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 C)
G) A) and B)

Question 4

Match the term with the appropriate description. Answer with the letter preceding the description.
-Uvula

Accepted Answer

A)  The floor of the nasal cavity
B)  Superior portion of pharynx
C)  A soft process that extends inferiorly from the posterior edge of the soft palate
D)  The opening of the nasal cavity into the pharynx
E)  External openings of the nasal cavityF) All of the above
G) C) and D)

Question 5

Which type of cell makes up about 90% of the alveolar surface?

Accepted Answer

A)   Ciliated simple squamous epithelial cells
B)   Type I pneumocytes
C)   Type II pneumocytes
D)   MacrophagesE) B) and C)
F) None of the above

Question 6

Blood O2 levels

Accepted Answer

A)   are more important than CO2 levels in the regulation of respiration.
B)   need to change only slightly to cause a change in respiration rate.
C)   within the normal PO2 range have little effect on regulation of respiration.
D)   in venous blood and arterial blood are about the same.
E)   never change enough to influence respiration.F) A) and D)
G) B) and D)

Question 7

Match the term with the appropriate description or definition.
-Expiratory reserve volume

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

Question 8

Of the following structures, the largest in diameter is the ________.

Accepted Answer

A)   primary bronchus
B)   secondary bronchus
C)   respiratory bronchiole
D)   trachea
E)   tertiary bronchusF) A) and C)
G) A) and B)

Question 9

Which of the following statements concerning the lungs and the pleura is true?

Accepted Answer

A)   Each lung is suspended in a separate pleural cavity.
B)   Parietal pleura covers the surface of each lung.
C)   The space between the visceral and parietal pleurae is called the mediastinum.
D)   The pleural fluid assists in gas exchange.
E)   The pleural membranes adhere, but cannot slide past each other.F) A) and B)
G) All of the above

Question 10

Marcus exhales normally; then, using forced expiration, he exhales as much air as possible. The volume of air still remaining in his lungs is called ________.

Accepted Answer

A)   expiratory reserve volume
B)   tidal volume
C)   inspiratory reserve volume
D)   vital capacity
E)   residual volumeF) A) and D)
G) All of the above

Question 11

Increased blood flow to alveoli is a common factor that disrupts normal ventilation-perfusion coupling.

Accepted Answer

A) True 
 B)False

Question 12

The part of the respiratory system where gas exchange does not occur is called ________ space.

Accepted Answer

The answer of The part of the respiratory system where...

Question 13

How does an increase in body temperature affect the oxyhemoglobin-dissociation curve?

Accepted Answer

A)   It causes a shift to the left.
B)   It causes a shift to the right.
C)   There is no effect.
D)   None of the choices are correct.E) A) and C)
F) B) and D)

Question 14

Which of the following is NOT part of the respiratory membrane?

Accepted Answer

A)   Simple squamous epithelium of the alveolus and its basement membrane
B)   Interstitial space
C)   Pulmonary capillary simple squamous epithelium and its basement membrane
D)   Thick layer of mucus lining the alveolusE) C) and D)
F) B) and D)

Question 15

When 2,3-bisphosphoglycerate (BPG)  levels increase, hemoglobin

Accepted Answer

A)   releases less O2 to tissues.
B)   releases more CO2 to tissues.
C)   releases more O2 to tissues.
D)   releases less CO2 to tissues.
E)   None of the choices are correct.F) None of the above
G) A) and C)

Question 16

Match the disorder of the respiratory system with the best description.
-Emphysema

Accepted Answer

A)  Destruction of the alveolar walls
B)  Inflammation of the bronchi
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 D)
G) A) and E)

Question 17

Hyperventilation ________ plasma CO2 levels which ________ plasma pH.

Accepted Answer

A)   decreases; decreases
B)   increases; decreases
C)   increases; increases
D)   decreases; increasesE) A) and B)
F) C) and D)

Question 18

Which of the following is NOT a respiratory adaptation to exercise training?

Accepted Answer

A)   Vital capacity increases
B)   Tidal volume at maximal exercise will increase
C)   Increased minute ventilation after training
D)   After training, respiratory rate at rest is lowerE) C) and D)
F) B) and D)

Question 19

When these ligaments or folds come together, they prevent food from entering the lower respiratory tract.

Accepted Answer

A)   Vocal folds
B)   Vestibular folds
C)   Cricothyroid ligaments
D)   Epiglottic folds
E)   Both "Vocal folds" and "Vestibular folds" are correct.F) C) and D)
G) A) and E)

Question 20

If there is an accumulation of acidic products in the plasma, one would expect ________.

Accepted Answer

A)   an increase in respiration rate
B)   a decrease in respiration rate
C)   no influence on respiration rate
D)   an increase in residual volume
E)   apneaF) B) and C)
G) All of the above

Exam 23: Respiratory System

Match the term with the appropriate description. Answer with the letter preceding the description. -Uvula

Correct AnswerverifiedShow Answer

Match the disorder of the respiratory system with the best description. -Pulmonary fibrosis

Correct AnswerverifiedShow Answer

Increased blood flow to alveoli is a common factor that disrupts normal ventilation-perfusion coupling.

Correct AnswerverifiedShow Answer

Match the disorder of the respiratory system with the best description. -Emphysema

Correct AnswerverifiedShow Answer

Blood O2 levels

Correct AnswerverifiedShow Answer

Match the term with the appropriate description or definition. -Expiratory reserve volume

Correct AnswerverifiedShow Answer

Which of the following is NOT a respiratory adaptation to exercise training?

Correct AnswerverifiedShow Answer

Of the following structures, the largest in diameter is the ________.

Correct AnswerverifiedShow Answer

When 2,3-bisphosphoglycerate (BPG) levels increase, hemoglobin

Correct AnswerverifiedShow Answer

Which of the following is NOT part of the respiratory membrane?

Correct AnswerverifiedShow Answer

When these ligaments or folds come together, they prevent food from entering the lower respiratory tract.

Correct AnswerverifiedShow Answer

The diameter of bronchioles can change because their walls contain ________.

Correct AnswerverifiedShow Answer

Which law explains why a gas will move from one area to another area?

Correct AnswerverifiedShow Answer

Hyperventilation ________ plasma CO2 levels which ________ plasma pH.

Correct AnswerverifiedShow Answer

How does an increase in body temperature affect the oxyhemoglobin-dissociation curve?

Correct AnswerverifiedShow Answer

If there is an accumulation of acidic products in the plasma, one would expect ________.

Correct AnswerverifiedShow Answer

Marcus exhales normally; then, using forced expiration, he exhales as much air as possible. The volume of air still remaining in his lungs is called ________.

Correct AnswerverifiedShow Answer

The part of the respiratory system where gas exchange does not occur is called ________ space.

Correct AnswerverifiedShow Answer

Which type of cell makes up about 90% of the alveolar surface?

Correct AnswerverifiedShow Answer

Which of the following statements concerning the lungs and the pleura is true?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Blood O₂ levels

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

Hyperventilation plasma CO₂ levels which plasma pH.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified