Question 1

Which minute respiratory volume is consistent with the potential for respiratory acidosis?

Accepted Answer

A)  4 L
B)  5.5 L
C)  6.5 L
D)  8 LE) None of the above
F) A) and B)

Question 2

The function of the epiglottis is to:

Accepted Answer

A)  cover the oropharynx during breathing
B)  keep the larynx open during breathing
C)  cover the oropharynx during swallowing
D)  cover the larynx during swallowingE) A) and C)
F) B) and D)

Question 3

Which statement is NOT true of the alveoli of the lungs?

Accepted Answer

A)  They are surrounded by pulmonary capillaries.
B)  Diffusion of gases takes place across only six layers of cells.
C)  Tissue fluid lining the alveoli permits the diffusion of gases.
D)  Surfactant permits the inflation of alveoli by decreasing their internal surface tension.E) A) and B)
F) A) and C)

Question 4

The movement of air to and from the alveoli is called:

Accepted Answer

A)  pulmonary respiration
B)  ventilation
C)  cyclic respiration
D)  reflex respirationE) A) and B)
F) A) and C)

Question 5

Which statement is NOT true of the bronchial tree?

Accepted Answer

A)  The trachea branches into the right and left primary bronchi.
B)  The secondary bronchi carry air to the lobes of each lung.
C)  The primary and secondary bronchi are kept open by cartilage.
D)  The bronchioles are kept open by skeletal muscle.E) A) and B)
F) A) and C)

Question 6

During exhalation,the diaphragm:

Accepted Answer

A)  contracts and moves downward
B)  contracts and moves upward
C)  relaxes and moves downward
D)  relaxes and moves upwardE) A) and D)
F) B) and C)

Question 7

If carbon dioxide accumulates in body fluids,the pH of the fluid will:

Accepted Answer

A)  decrease
B)  increase
C)  remain the same
D)  increase then decreaseE) C) and D)
F) B) and D)

Question 8

Hemoglobin will release oxygen where the:

Accepted Answer

A)  PO2 is low
B)  PCO2 is low
C)  temperature is low
D)  all of theseE) B) and C)
F) A) and B)

Question 9

The tissue of which the alveoli and pulmonary capillaries are made is:

Accepted Answer

A)  ciliated epithelium
B)  smooth muscle
C)  simple squamous epithelium
D)  stratified squamous epitheliumE) C) and D)
F) A) and D)

Question 10

The alveoli are made of simple squamous epithelium,which:

Accepted Answer

A)  provides a smooth surface
B)  permits diffusion
C)  prevents friction
D)  sweeps pathogens out of the lungsE) B) and C)
F) All of the above

Question 11

The ciliated epithelium of the nasal mucosa:

Accepted Answer

A)  sweeps mucus and pathogens out of the nose
B)  keeps the air moving toward the pharynx
C)  sweeps mucus and pathogens toward the pharynx
D)  prevents dust from entering the noseE) All of the above
F) B) and D)

Question 12

Inflation of the alveoli is made possible by the presence of ___ within the alveoli.

Accepted Answer

A)  tissue fluid
B)  plasma
C)  serous fluid
D)  surfactantE) C) and D)
F) B) and C)

Question 13

Which statement is NOT true of the pharynx?

Accepted Answer

A)  The nasopharynx is a passageway only for air.
B)  The tonsils are lymphatic tissue that destroy pathogens in incoming air or food.
C)  During swallowing,the nasopharynx is covered by the epiglottis.
D)  The laryngopharynx opens into the larynx and the esophagus.E) All of the above
F) None of the above

Question 14

The air pressure outside the body is called:

Accepted Answer

A)  intrapulmonic pressure
B)  stratospheric pressure
C)  atmospheric pressure
D)  intrapleural pressureE) C) and D)
F) B) and D)

Question 15

The "work" required for normal breathing is:

Accepted Answer

A)  contraction of the respiratory muscles for inhalation
B)  contraction of the respiratory muscles for exhalation
C)  both A and B
D)  neither A nor B because breathing is a reflexE) A) and B)
F) B) and C)

Question 16

Which statement is NOT true of respiratory volumes?

Accepted Answer

A)  They vary with the age and height of a person.
B)  Residual air is the air we cannot exhale.
C)  Vital capacity is the volume of the deepest inhalation.
D)  Tidal volume is considered a normal breath.E) A) and B)
F) None of the above

Question 17

During swallowing,the nasopharynx is covered by the:

Accepted Answer

A)  hard palate
B)  soft palate
C)  glottis
D)  epiglottisE) B) and D)
F) B) and C)

Question 18

Which minute respiratory volume is consistent with the potential for respiratory alkalosis?

Accepted Answer

A)  4 L
B)  5.5 L
C)  6.5 L
D)  8 LE) C) and D)
F) All of the above

Question 19

External respiration is:

Accepted Answer

A)  the exchange of gases in the alveoli
B)  the passage of air through the upper respiratory tract
C)  inhalation followed by exhalation
D)  only exhalationE) A) and C)
F) C) and D)

Question 20

In external respiration,carbon dioxide diffuses from the:

Accepted Answer

A)  alveoli to the blood
B)  blood to the tissue fluid
C)  blood to the alveoli
D)  tissue fluid to the bloodE) A) and B)
F) A) and C)

Exam 16:The Respiratory System-Part C

Which minute respiratory volume is consistent with the potential for respiratory acidosis?

Correct AnswerverifiedShow Answer

The alveoli are made of simple squamous epithelium,which:

Correct AnswerverifiedShow Answer

During exhalation,the diaphragm:

Correct AnswerverifiedShow Answer

The movement of air to and from the alveoli is called:

Correct AnswerverifiedShow Answer

Which statement is NOT true of the pharynx?

Correct AnswerverifiedShow Answer

The "work" required for normal breathing is:

Correct AnswerverifiedShow Answer

If carbon dioxide accumulates in body fluids,the pH of the fluid will:

Correct AnswerverifiedShow Answer

Which minute respiratory volume is consistent with the potential for respiratory alkalosis?

Correct AnswerverifiedShow Answer

The tissue of which the alveoli and pulmonary capillaries are made is:

Correct AnswerverifiedShow Answer

Which statement is NOT true of the alveoli of the lungs?

Correct AnswerverifiedShow Answer

The function of the epiglottis is to:

Correct AnswerverifiedShow Answer

During swallowing,the nasopharynx is covered by the:

Correct AnswerverifiedShow Answer

Hemoglobin will release oxygen where the:

Correct AnswerverifiedShow Answer

Inflation of the alveoli is made possible by the presence of ___ within the alveoli.

Correct AnswerverifiedShow Answer

Which statement is NOT true of respiratory volumes?

Correct AnswerverifiedShow Answer

The ciliated epithelium of the nasal mucosa:

Correct AnswerverifiedShow Answer

In external respiration,carbon dioxide diffuses from the:

Correct AnswerverifiedShow Answer

Which statement is NOT true of the bronchial tree?

Correct AnswerverifiedShow Answer

The air pressure outside the body is called:

Correct AnswerverifiedShow Answer

External respiration is:

Correct AnswerverifiedShow Answer

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

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

Correct Answer
verified

Correct Answer
verified