Question 1

Explain why the oropharynx and laryngopharynx are lined with nonkeratizinied stratified squamous epithelium rather than pseudostratified ciliated columnar epithelium.

Accepted Answer

Nonkeratinized stratified squamous epith...

Question 2

Which of the following correctly describes the transition from bronchi into smaller branches in the bronchial tree?

Accepted Answer

A)   More hyaline cartilage is found in the smaller passageways of the bronchial tree.
B)   The lining changes from respiratory epithelium to stratified squamous epithelium.
C)   The amount of smooth muscle increases in the smaller passageways of the bronchial tree.
D)   The rings of cartilage completely disappear during the transition from the trachea into the bronchial tree.E) A) and D)
F) A) and C)

Question 3

Why is the inspiratory reserve volume greater than the expiratory reserve volume?

Accepted Answer

The IRV is larger than the ERV by about ...

Question 4

Through what openings of the nose does inhaled air enter the upper respiratory tract?

Accepted Answer

A)   anterior nares
B)   nasal cavity
C)   nasopharynx
D)   posterior naresE) A) and B)
F) A) and C)

Question 5

Where are the central chemoreceptors located?

Accepted Answer

A)   carotid arteries
B)   both the carotid arteries and the aorta
C)   medullary reticular formation
D)   aortaE) A) and B)
F) A) and C)

Question 6

Which of the following counteracts the movement of bicarbonate ions from the RBCs?

Accepted Answer

A)   ventilation -perfusion matching
B)   the Bohr effect
C)   the chloride shift
D)   Dalton's lawE) B) and D)
F) A) and C)

Question 7

What epithelium forms the alveolus?

Accepted Answer

A)   pseudostratified ciliated columnar epithelium
B)   simple columnar epithelium
C)   simple squamous epithelium
D)   stratified squamous epitheliumE) A) and B)
F) A) and C)

Question 8

The majority of the nasal cavity is lined with:

Accepted Answer

A)   pseudostratified ciliated columnar epithelium.
B)   simple squamous epithelium.
C)   simple cuboidal epithelium.
D)   transitional epithelium.E) A) and B)
F) B) and D)

Question 9

The upper respiratory tract includes the passageways from the nasal cavity to the larynx.

Accepted Answer

A) True 
 B)False

Question 10

Alveolar surface tension determines lung compliance.

Accepted Answer

A) True 
 B)False

Exam 21: The Respiratory System

Alveolar surface tension determines lung compliance.

Correct Answer
verified

Where are the central chemoreceptors located?

Correct Answer
verified

Through what openings of the nose does inhaled air enter the upper respiratory tract?

Correct Answer
verified

Which of the following correctly describes the transition from bronchi into smaller branches in the bronchial tree?

Correct Answer
verified

Explain why the oropharynx and laryngopharynx are lined with nonkeratizinied stratified squamous epithelium rather than pseudostratified ciliated columnar epithelium.

Correct Answer
verified
Nonkeratinized stratified squamous epith...
View Answer

The upper respiratory tract includes the passageways from the nasal cavity to the larynx.

Correct Answer
verified

The majority of the nasal cavity is lined with:

Correct Answer
verified

Which of the following counteracts the movement of bicarbonate ions from the RBCs?

Correct Answer
verified

Why is the inspiratory reserve volume greater than the expiratory reserve volume?

Correct Answer
verified
The IRV is larger than the ERV by about ...
View Answer

What epithelium forms the alveolus?

Correct Answer
verified

Exam 21: The Respiratory System

Alveolar surface tension determines lung compliance.

Correct AnswerverifiedShow Answer

Where are the central chemoreceptors located?

Correct AnswerverifiedShow Answer

Through what openings of the nose does inhaled air enter the upper respiratory tract?

Correct AnswerverifiedShow Answer

Which of the following correctly describes the transition from bronchi into smaller branches in the bronchial tree?

Correct AnswerverifiedShow Answer

Explain why the oropharynx and laryngopharynx are lined with nonkeratizinied stratified squamous epithelium rather than pseudostratified ciliated columnar epithelium.

Correct AnswerverifiedNonkeratinized stratified squamous epith...View AnswerShow Answer

The upper respiratory tract includes the passageways from the nasal cavity to the larynx.

Correct AnswerverifiedShow Answer

The majority of the nasal cavity is lined with:

Correct AnswerverifiedShow Answer

Which of the following counteracts the movement of bicarbonate ions from the RBCs?

Correct AnswerverifiedShow Answer

Why is the inspiratory reserve volume greater than the expiratory reserve volume?

Correct AnswerverifiedThe IRV is larger than the ERV by about ...View AnswerShow Answer

What epithelium forms the alveolus?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Nonkeratinized stratified squamous epith...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The IRV is larger than the ERV by about ...
View Answer

Correct Answer
verified