Question 1

When blood pH drops then the amount of oxyhemoglobin ___ and oxygen delivery to the tissue cells ___.

Accepted Answer

A)   increases, increases
B)   increases, decreases
C)   decreases, increases
D)   decreases, decreases
E)   does not change, does not change

Question 2

Which of the below tissues maintains open airways in the lower respiratory system?

Accepted Answer

A)   stratified squamous epithelium with keratin
B)   ciliated pseudostratified columnar epithelium with goblet cells
C)   hyaline cartilage
D)   mucus membrane
E)   bone

Question 3

This is located anterior to the esophagus and carries air to the bronchi.

Accepted Answer

A)   trachea
B)   larynx
C)   nasopharynx
D)   pharynx
E)   None of these choices.

Question 4

The conducting airways with the air that does not undergo gas exchange are known as the

Accepted Answer

A)   inspiratory volume.
B)   expiratory reserve volume.
C)   minimal volume.
D)   residual volume.
E)   anatomic dead space.

Question 5

What line is pointing to the left terminal bronchiole?

Accepted Answer

A)   G
B)   N
C)   H
D)   A
E)   None of these choices

Question 6

This means the lungs and the chest wall expand easily.

Accepted Answer

A)   high surface tension
B)   low surface tension
C)   high compliance
D)   low compliance
E)   None of these choices

Question 7

Where is the uvula?

Accepted Answer

A)   E
B)   F
C)   Q
D)   S
E)   U

Question 8

For air to enter the lungs during inhalation

Accepted Answer

A)   the pressure inside the lungs must become lower than the atmospheric pressure.
B)   the pressure inside the lungs must be higher than the atmospheric pressure.
C)   the pressure inside the lungs must be equal to the atmospheric pressure.
D)   the size of the lungs must be decreased.
E)   the diaphragm has to be relaxed. A

Question 9

Which of the following is not part of the upper respiratory system?

Accepted Answer

A)   nose
B)   oral cavity
C)   pharynx
D)   trachea
E)   nasal meatuses

Question 10

These are cells of the alveoli that produce surfactant.

Accepted Answer

A)   type I alveolar cells
B)   type II alveolar cells
C)   type III alveolar cells
D)   surface cells
E)   macrophages

Question 11

Identify the alveolar sac.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   E

Question 12

The exchange of gases between blood in the systemic capillaries and tissue cells is called

Accepted Answer

A)   pulmonary ventilation.
B)   internal respiration.
C)   external respiration.
D)   expiration.
E)   inspiration. B

Question 13

Exhalation begins when

Accepted Answer

A)   inspiratory muscles relax.
B)   the diaphragm contracts.
C)   blood circulation is the lowest.
D)   inspiratory muscles relax and the diaphragm contracts.
E)   All of these choices.

Question 14

Which is the dominant method of carbon dioxide transport?

Accepted Answer

A)   bound to hemoglobin
B)   bound to oxygen
C)   dissolved in plasma as a gas
D)   dissolved in plasma as bicarbonate ions
E)   diffusion D

Question 15

Which of the following is a passageway for air and food?

Accepted Answer

A)   pharynx
B)   larynx
C)   paranasal sinuses
D)   trachea
E)   esophagus

Question 16

Which of the following is not a factor that the rate of pulmonary and systemic gas exchange depends on?

Accepted Answer

A)   partial pressure difference of the gases
B)   surface area for gas exchange
C)   diffusion distance
D)   molecular weight and solubility of the gases
E)   force of contraction of diaphragm

Question 17

What is line D pointing to?

Accepted Answer

A)   thyrohyoid membrane
B)   arytenoid cartilage
C)   cricothyroid ligament
D)   cricoid cartilage
E)   tracheal cartilage

Question 18

Where are the nasal conchae?

Accepted Answer

A)   A
B)   C
C)   T
D)   U
E)   V

Question 19

Which cells are the main sites of gas exchange?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   All of these choices

Question 20

The basic rhythm of respiration is controlled by the

Accepted Answer

A)   pons.
B)   medulla oblongata.
C)   hypothalamus.
D)   pneumotaxic area.
E)   apneustic area.

Exam 22: The Respiratory System

When blood pH drops then the amount of oxyhemoglobin ___ and oxygen delivery to the tissue cells ___.

Correct AnswerverifiedShow Answer

Which of the below tissues maintains open airways in the lower respiratory system?

Correct AnswerverifiedShow Answer

This is located anterior to the esophagus and carries air to the bronchi.

Correct AnswerverifiedShow Answer

The conducting airways with the air that does not undergo gas exchange are known as the

Correct AnswerverifiedShow Answer

What line is pointing to the left terminal bronchiole?

Correct AnswerverifiedShow Answer

This means the lungs and the chest wall expand easily.

Correct AnswerverifiedShow Answer

Where is the uvula?

Correct AnswerverifiedShow Answer

For air to enter the lungs during inhalation

Correct AnswerverifiedA

Which of the following is not part of the upper respiratory system?

Correct AnswerverifiedShow Answer

These are cells of the alveoli that produce surfactant.

Correct AnswerverifiedShow Answer

Identify the alveolar sac.

Correct AnswerverifiedShow Answer

The exchange of gases between blood in the systemic capillaries and tissue cells is called

Correct AnswerverifiedB

Exhalation begins when

Correct AnswerverifiedShow Answer

Which is the dominant method of carbon dioxide transport?

Correct AnswerverifiedD

Which of the following is a passageway for air and food?

Correct AnswerverifiedShow Answer

Which of the following is not a factor that the rate of pulmonary and systemic gas exchange depends on?

Correct AnswerverifiedShow Answer

What is line D pointing to?

Correct AnswerverifiedShow Answer

Where are the nasal conchae?

Correct AnswerverifiedShow Answer

Which cells are the main sites of gas exchange?

Correct AnswerverifiedShow Answer

The basic rhythm of respiration is controlled by the

Correct AnswerverifiedShow Answer

When blood pH drops then the amount of oxyhemoglobin _ and oxygen delivery to the tissue cells _.

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A

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B

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D

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