Question 1

Which of the following structures is not a part of the larynx?

Accepted Answer

A)  hyoid bone
B)  epiglottis
C)  thyroid cartilage
D)  vestibular folds

Question 2

Forceful expiration involves the contraction of

Accepted Answer

A)  neck and chest muscles.
B)  internal intercostals and chest muscles.
C)  internal intercostals and abdominal muscles.
D)  neck and abdominal muscles.

Question 3

Most of the CO2 in the blood is transported as

Accepted Answer

A)  bicarbonate ions.
B)  dissolved CO2 in the plasma.
C)  carbaminohemoglobin.
D)  carbonic anhydrase.

Question 4

The exchange of oxygen and carbon dioxide between air in alveoli and blood in capillaries occurs by

Accepted Answer

A)  diffusion.
B)  osmosis.
C)  filtration.
D)  active transport.

Question 5

Contraction of the diaphragm ________ intra-alveolar pressure resulting in ________.

Accepted Answer

A)  increases; expiration
B)  increases; inspiration
C)  decreases; expiration
D)  decreases; inspiration

Question 6

Microorganisms inhaled into the air passageways are most likely to be destroyed by

Accepted Answer

A)  the cilia whipping them to death.
B)  toxins in respiratory mucus.
C)  gastric juice in stomach.
D)  macrophages in the bronchial tree.

Question 7

___________ results from an insufficient production of surfactant in the alveoli, leading to alveolar collapse.

Accepted Answer

A)  Infant respiratory distress syndrome
B)  Asthma
C)  Pneumothorax
D)  Emphysema A

Question 8

The __________ serves as a center for receiving and integrating sensory input and sending nerve impulses to another respiratory center to make necessary changes in the breathing pattern.

Accepted Answer

A)  ventral respiratory group
B)  dorsal respiratory group
C)  hypothalamus
D)  pontine respiratory group

Question 9

Paranasal sinuses can be found in all of these bones except

Accepted Answer

A)  sphenoid.
B)  palatine bone.
C)  ethmoid.
D)  maxillae. B

Question 10

The _________ projects anteriorly to form Adam's apple.

Accepted Answer

A)  hyoid bone
B)  epiglottis
C)  thyroid cartilage
D)  cricoid cartilage

Question 11

The pitch of a sound is determined by the vibration

Accepted Answer

A)  amplitude of both vocal folds and vestibular folds.
B)  amplitude of vocal folds.
C)  frequency of both vocal folds and vestibular folds.
D)  frequency of vocal folds.

Question 12

___________ results from long term exposure to airborne irritants; is characterized by a rupture of the alveoli, forming large spaces in the lungs.

Accepted Answer

A)  Emphysema
B)  Asthma
C)  Pneumothorax
D)  Infant respiratory distress syndrome

Question 13

A(n)  __________ in the volume of the thoracic cavity _________ the intra-alveolar pressure, which causes __________.

Accepted Answer

A)  increase; decreases; expiration
B)  increase; increases; inspiration
C)  increase; decreases; inspiration
D)  decrease; decreases; expiration

Question 14

The auditory tubes open into the

Accepted Answer

A)  larynx.
B)  nasal cavity.
C)  pharynx.
D)  oral cavity.

Question 15

The auditory tubes

Accepted Answer

A)  aid in moistening the inhaled air.
B)  help equalize the air pressure on each side of the tympanic membrane.
C)  contain the receptors for sensing sound waves.
D)  aid in filtering the inhaled air.

Question 16

The ________ project from the lateral walls of the nasal cavity increasing its surface area.

Accepted Answer

A)  nasal bones
B)  palatine bones
C)  palatine tonsils
D)  nasal conchae

Question 17

The glottis is

Accepted Answer

A)  the opening between the vocal folds.
B)  a cartilage in the larynx.
C)  a cartilage in the pharynx.
D)  the opening within the trachea. A

Question 18

The tidal volume is the volume of air

Accepted Answer

A)  that can be forcefully exhaled after a tidal volume inspiration.
B)  that can be forcefully exhaled after a tidal volume expiration.
C)  that can be forcefully inhaled after a tidal volume expiration.
D)  that can be forcefully inhaled after a tidal volume inspiration.
E)  inhaled during a quiet inspiration.

Question 19

About 23% of the CO2 in the blood is transported as

Accepted Answer

A)  bicarbonate ions.
B)  carbaminohemoglobin.
C)  dissolved CO2 in the plasma.
D)  carbonic anhydrase.

Question 20

The inspiratory reserve volume is the volume of air

Accepted Answer

A)  that can be forcefully inhaled after a tidal volume inspiration.
B)  inhaled during a quiet inspiration.
C)  that can be forcefully exhaled after a tidal volume inspiration.
D)  that can be forcefully inhaled after a tidal volume expiration.
E)  that can be forcefully exhaled after a tidal volume expiration.

Exam 14: Respiratory System

Which of the following structures is not a part of the larynx?

Correct AnswerverifiedShow Answer

Forceful expiration involves the contraction of

Correct AnswerverifiedShow Answer

Most of the CO2 in the blood is transported as

Correct AnswerverifiedShow Answer

The exchange of oxygen and carbon dioxide between air in alveoli and blood in capillaries occurs by

Correct AnswerverifiedShow Answer

Contraction of the diaphragm ________ intra-alveolar pressure resulting in ________.

Correct AnswerverifiedShow Answer

Microorganisms inhaled into the air passageways are most likely to be destroyed by

Correct AnswerverifiedShow Answer

___________ results from an insufficient production of surfactant in the alveoli, leading to alveolar collapse.

Correct AnswerverifiedA

The __________ serves as a center for receiving and integrating sensory input and sending nerve impulses to another respiratory center to make necessary changes in the breathing pattern.

Correct AnswerverifiedShow Answer

Paranasal sinuses can be found in all of these bones except

Correct AnswerverifiedB

The _________ projects anteriorly to form Adam's apple.

Correct AnswerverifiedShow Answer

The pitch of a sound is determined by the vibration

Correct AnswerverifiedShow Answer

___________ results from long term exposure to airborne irritants; is characterized by a rupture of the alveoli, forming large spaces in the lungs.

Correct AnswerverifiedShow Answer

A(n) __________ in the volume of the thoracic cavity _________ the intra-alveolar pressure, which causes __________.

Correct AnswerverifiedShow Answer

The auditory tubes open into the

Correct AnswerverifiedShow Answer

The auditory tubes

Correct AnswerverifiedShow Answer

The ________ project from the lateral walls of the nasal cavity increasing its surface area.

Correct AnswerverifiedShow Answer

The glottis is

Correct AnswerverifiedA

The tidal volume is the volume of air

Correct AnswerverifiedShow Answer

About 23% of the CO2 in the blood is transported as

Correct AnswerverifiedShow Answer

The inspiratory reserve volume is the volume of air

Correct AnswerverifiedShow Answer

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Most of the CO₂ in the blood is transported as

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Contraction of the diaphragm intra-alveolar pressure resulting in .

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A

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B

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A(n) ______ in the volume of the thoracic cavity _ the intra-alveolar pressure, which causes ______.

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A

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About 23% of the CO₂ in the blood is transported as

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