Question 1

Which of the following is not a function of the nasal mucosa?

Accepted Answer

A) humidify the incoming air 
B) dehumidify the outgoing air 
C) dehumidify the incoming air 
D) trap particulate matter 
E) cool outgoing air

Question 2

In emphysema,which of these occur?

Accepted Answer

A) alveoli collapse 
B) compliance increases 
C) elevated PCO₂ in the blood 
D) depressed PO₂ in the blood 
E) All of the answers are correct.

Question 3

While playing in an intramural football game,Joe is tackled so hard that he breaks a rib.He can actually feel a piece of the rib sticking through the skin and he is having a difficult time breathing.Joe probably is suffering from

Accepted Answer

A) a collapsed trachea. 
B) an obstruction in the bronchi. 
C) a pneumothorax. 
D) decreased surfactant production. 
E) a bruised diaphragm.

Question 4

Gas exchange between air and circulating blood takes place within ________.

Accepted Answer

The answer of Gas exchange between air and circulating blood...

Question 5

The ________ of the lungs is an indication of their expandability,how easily the lungs expand and contract.

Accepted Answer

The answer of The ________ of the lungs is an...

Question 6

Air moves out of the lungs when the pressure inside the lungs is

Accepted Answer

A) less than the pressure in the atmosphere. 
B) greater than the pressure in the atmosphere. 
C) equal to the pressure in the atmosphere. 
D) greater than intraalveolar pressure. 
E) less than intrapulmonic pressure.

Question 7

Figure 23-2 Mechanics of Ventilation
Use Figure 23-2 to answer the following question:
-How does the pressure "P4" at label "4" compare to the pressure "P5" at label "5"?

Accepted Answer

A) P4 is higher than P5 during inhalation and then lower during exhalation. 
B) P4 is always be higher than P5. 
C) P4 is always lower than P5. 
D) P4 always equals P5. 
E) P4 is lower than P5 during inhalation and then higher during exhalation.

Question 8

The thyroid cartilage is attached to the cricoid cartilage by the

Accepted Answer

A) intrinsic ligaments. 
B) extrinsic ligaments. 
C) vestibular folds. 
D) cricothyroid ligament. 
E) intrinsic laryngeal muscles.

Question 9

Use of the accessory respiratory muscles is characteristic of forced breathing or ________ .

Accepted Answer

The answer of Use of the accessory respiratory muscles is...

Question 10

The ________ is lined by stratified squamous epithelium.

Accepted Answer

A) nasopharynx 
B) trachea 
C) oropharynx 
D) larynx 
E) nasal cavity

Question 11

Pulmonary ventilation refers to the

Accepted Answer

A) movement of air into and out of the lungs. 
B) movement of dissolved gases from the alveoli to the blood. 
C) movement of dissolved gases from the blood to the interstitial space. 
D) movement of dissolved gases from the interstitial space to the cells. 
E) utilization of oxygen.

Question 12

The vocal folds are located within the

Accepted Answer

A) nasopharynx. 
B) oropharynx. 
C) larynx. 
D) trachea. 
E) bronchi.

Question 13

Which of the following organs is not part of the lower respiratory system?

Accepted Answer

A) oropharynx 
B) trachea 
C) larynx 
D) bronchi 
E) alveoli

Question 14

The larynx contains ________ cartilages.

Accepted Answer

A) 14 
B) 6 
C) 9 
D) 2 
E) 5

Question 15

The openings to the nostrils are the

Accepted Answer

A) external nares. 
B) internal nares. 
C) vestibules. 
D) conchae. 
E) nasal apertures.

Question 16

A common site to place a tracheostomy tube is through the ligament that connects the cricoid cartilage to the ________ cartilage.

Accepted Answer

A) thyroid 
B) cuneiform 
C) corniculate 
D) epiglottic 
E) vestibular

Question 17

Figure 23-1 The Upper Airways
Use Figure 23-1 to answer the following question:
-What is the function of the structures labeled "12"?

Accepted Answer

A) cause air to swirl within the respiratory passageway 
B) improve warming of incoming air 
C) create narrow passages 
D) help olfaction 
E) All of the answers are correct.

Question 18

Figure 23-1 The Upper Airways
Use Figure 23-1 to answer the following question:
-Identify the structure labeled "7."

Accepted Answer

A) internal nares 
B) esophagus 
C) glottis 
D) oropharynx 
E) laryngopharynx

Question 19

The nasal cavity opens into the nasopharynx through a connection known as the ________.

Accepted Answer

The answer of The nasal cavity opens into the nasopharynx...

Question 20

Primary bronchi are to ________ as secondary bronchi are to ________.

Accepted Answer

A) extrapulmonary bronchi; intrapulmonary bronchi 
B) lobar bronchi; intrapulmonary bronchi 
C) intrapulmonary bronchi; lobar bronchi 
D) trachea; pharynx 
E) secondary bronchi; alveolar ducts

Exam 23: The Respiratory System