Question 1

Which of the following laryngeal cartilages are paired?
(1)  Epiglottis
(2)  Thyroid cartilage
(3)  Corniculate cartilage
(4)  Arytenoid cartilage
(5)  Cuneiform cartilage
(6)  Cricoid cartilage

Accepted Answer

A)   1, 2, 6
B)   3, 5, 6
C)   2, 4, 5
D)   3, 4, 5
E)   2, 3, 4F) C) and D)
G) B) and C)

Question 2

Systemic (internal)  respiration refers to

Accepted Answer

A)   atmospheric air coming into the lungs.
B)   gas exchange between the lungs and the blood.
C)   gas exchange in the atmosphere.
D)   gas exchange between the blood and body tissues.
E)   cellular respiration.F) A) and E)
G) C) and D)

Question 3

Constriction of smooth muscle in the bronchioles

Accepted Answer

A)   occurs during periods of exercise.
B)   restricts the flow of air into the lungs.
C)   decreases ciliary action.
D)   increases airflow out of the lungs.
E)   does not affect airflow.F) A) and B)
G) None of the above

Question 4

Which of the following statements concerning the dorsal and ventral respiratory groups is false?

Accepted Answer

A)   They are located in the reticular activating system.
B)   There is cross communication between these two groups.
C)   These groups establish the basic rate and depth of breathing.
D)   These groups increase the number of action potentials to the respiratory muscles during inspiration.
E)   Two dorsal and two ventral respiratory groups make up the medullary respiratory center.F) A) and C)
G) C) and D)

Question 5

Which of the following statements regarding the lungs is correct?

Accepted Answer

A)   The left lung is larger than the right lung.
B)   The left lung contains two lobes, while the right lung contains three lobes.
C)   The left lung has more bronchopulmonary segments than the right lung.
D)   Only the right lung has a hilum.
E)   The left lung contains three lobes, while the right lung contains two lobes.F) A) and C)
G) All of the above

Question 6

Which of the following statements concerning the larynx is correct?

Accepted Answer

A)   The larynx contains four unpaired cartilages.
B)   When the glottis closes, air is prevented from leaving the lungs.
C)   Unlike other portions of the larynx, the epiglottis consists of some bony tissue.
D)   The inferior laryngeal cartilage is the thyroid cartilage.
E)   The epiglottis is also called "Adam's apple".F) B) and E)
G) A) and E)

Question 7

Match the term with the appropriate description or definition.
-Vital capacity

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) D) and E)

Question 8

Why is transfused blood discarded after about 6 weeks of storage?

Accepted Answer

A)   It cannot bind to oxygen anymore.
B)   It becomes too thick.
C)   The BPG levels are too low for adequate release of oxygen to tissues.
D)   The percent oxygen saturation is too low.E) C) and D)
F) None of the above

Question 9

What is the volume of air that can be forcibly expired after expiration of the tidal volume?

Accepted Answer

A)   Residual volume
B)   Inspiratory reserve volume
C)   Vital capacity
D)   Expiratory reserve volumeE) A) and B)
F) A) and C)

Question 10

Match the disorder of the respiratory system with the best description.
-Sudden infant death syndrome (SIDS)

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 E)
G) A) and C)

Question 11

Match the term with the appropriate description or definition.
-Total lung capacity

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

Question 12

Which of the following is an effect of aging on the respiratory system?

Accepted Answer

A)   Vital capacity is unchanged.
B)   Minute ventilation rates increase.
C)   Residual volume increases.
D)   Gas exchange in the lungs remains unchanged.E) None of the above
F) A) and D)

Question 13

Match the disorder of the respiratory system with the best description.
-Increase in body temperature

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 C)

Question 14

A greater than normal amount of CO2 in the blood is called ________.

Accepted Answer

A)   hypercapnia
B)   hypoxia
C)   hyperdioxemia
D)   hypodioxemiaE) A) and B)
F) C) and D)

Question 15

Which of the following is mismatched?

Accepted Answer

A)   Bronchitis - inflammation of the bronchi
B)   Emphysema - destruction of the alveolar walls
C)   Pulmonary fibrosis - loss of elastic recoil in the lung
D)   Cystic fibrosis - replacement of lung tissue with fibrous connective tissue
E)   Smokers - chronic obstructive pulmonary diseaseF) A) and E)
G) A) and C)

Question 16

Which of the paired cartilages of the larynx articulate with the cricoid cartilage?

Accepted Answer

A)   Thyroid
B)   Corniculate
C)   Cuneiform
D)   Epiglottis
E)   ArytenoidF) C) and E)
G) All of the above

Question 17

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

Question 18

The Bohr effect refers to the

Accepted Answer

A)   mechanism involved in diffusion of nitrogen into the blood.
B)   physical laws governing the solubility of gases in fluids.
C)   effect of pH on the oxygen-hemoglobin dissociation curve.
D)   chemical equilibrium between carbonic acid and bicarbonate in the blood.
E)   effect of temperature on the oxygen-hemoglobin dissociation curve.F) B) and C)
G) A) and E)

Question 19

Contraction of the ________ will increase the superior-inferior dimension of the thoracic cavity.

Accepted Answer

A)   rectus abdominis
B)   internal intercostals
C)   diaphragm
D)   external intercostals
E)   sternocleidomastoidF) A) and B)
G) A) and E)

Question 20

Match the disorder of the respiratory system with the best description.
-Decrease blood pH

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) A) and E)
G) A) and B)

Exam 23: Respiratory System

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

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Match the term with the appropriate description or definition. -Vital capacity

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Match the term with the appropriate description or definition. -Total lung capacity

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What is the volume of air that can be forcibly expired after expiration of the tidal volume?

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Contraction of the ________ will increase the superior-inferior dimension of the thoracic cavity.

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Which of the paired cartilages of the larynx articulate with the cricoid cartilage?

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Which of the following statements regarding the lungs is correct?

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A greater than normal amount of CO2 in the blood is called ________.

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Which of the following statements concerning the dorsal and ventral respiratory groups is false?

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Constriction of smooth muscle in the bronchioles

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Which of the following is mismatched?

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Which of the following is an effect of aging on the respiratory system?

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Match the disorder of the respiratory system with the best description. -Increase in body temperature

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Which of the following laryngeal cartilages are paired? (1) Epiglottis (2) Thyroid cartilage (3) Corniculate cartilage (4) Arytenoid cartilage (5) Cuneiform cartilage (6) Cricoid cartilage

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Match the disorder of the respiratory system with the best description. -Sudden infant death syndrome (SIDS)

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Which of the following statements concerning the larynx is correct?

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Why is transfused blood discarded after about 6 weeks of storage?

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Systemic (internal) respiration refers to

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The Bohr effect refers to the

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Match the disorder of the respiratory system with the best description. -Decrease blood pH

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A greater than normal amount of CO₂ in the blood is called ________.

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