Question 1

Which of the following blood vessel has a Po2 of 40 mm Hg?

Accepted Answer

A)   Pulmonary arteries
B)   Pulmonary capillaries
C)   Pulmonary veins
D)   Systematic arteriesE) A) and B)
F) A) and C)

Question 2

The larynx is a part of the upper respiratory tract.

Accepted Answer

A) True 
 B)False

Question 3

The amount of oxygen transported in the blood as dissolved oxygen is 1.5%.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is NOT a function of the nose?

Accepted Answer

A)   Warms the incoming air with superficial capillaries
B)   Humidifies the incoming air with mucus
C)   Cleans the incoming air with nasal hairs, cilia and mucus
D)   All of the above are functions of the noseE) B) and C)
F) A) and B)

Question 5

Which of the following is NOT part of the upper respiratory tract?

Accepted Answer

A)   Nasal cavities
B)   Esophagus
C)   Pharynx
D)   All of these are parts of the upper respiratory tractE) B) and C)
F) A) and D)

Question 6

Which of the following is the nasal opening into the pharynx?

Accepted Answer

A)   Vestibule
B)   Nares
C)   Glottis
D)   ChoanaeE) A) and B)
F) A) and C)

Question 7

What is the largest cartilage in the larynx that forms the Adam's apple?

Accepted Answer

A)   Cricoid cartilage
B)   Thyroid cartilage
C)   Epiglottis
D)   None of these is correctE) B) and C)
F) All of the above

Question 8

The systematic veins have a Pco2 of 45 mm Hg.

Accepted Answer

A) True 
 B)False

Question 9

Expiration is the movement of air into the lungs.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following are the cube-shape cells that secrete surfactant into the alveolus?

Accepted Answer

A)   Type I pneumocytes
B)   Type II pneumocytes
C)   Type III pneumocytes
D)   None of the answers are correctE) None of the above
F) A) and D)

Question 11

What are the chemoreceptors located in the carotid sinuses and the aortic bodies called?

Accepted Answer

A)   Central chemoreceptors
B)   Lateral chemoreceptors
C)   Peripheral chemoreceptors
D)   None of the above is correctE) B) and C)
F) A) and D)

Question 12

The respiratory rate increases with the onset of exercise.

Accepted Answer

A) True 
 B)False

Question 13

What is the amount of air that can be maximally expired after a maximal inspiratory effort as rapidly as possible?

Accepted Answer

A)   Inspiratory capacity
B)   Functional residual capacity
C)   Forced expiratory vital capacity
D)   Total lung capacityE) All of the above
F) B) and C)

Question 14

Which of the following has NO effect on airflow in the lungs?

Accepted Answer

A)   Changes in pressure
B)   Temperature of the air
C)   Change in air passageway diameter causing changes in airflow resistance
D)   All of the above effect airflow in the lungsE) B) and C)
F) A) and B)

Question 15

What is the amount of air that can be maximally expired after a maximal inspiratory effort?

Accepted Answer

A)   Inspiratory capacity
B)   Functional residual capacity
C)   Vital capacity
D)   Total lung capacityE) B) and C)
F) All of the above

Question 16

Which of the following is the cause of quiet expiration?

Accepted Answer

A)   Recoil of the lungs
B)   Contraction of expiratory muscles
C)   Contraction of inspiratory muscles
D)   All of the above are correctE) A) and B)
F) B) and D)

Question 17

Which of the following blood vessel has a Po2 of 95 mm Hg?

Accepted Answer

A)   Pulmonary arteries
B)   Pulmonary capillaries
C)   Pulmonary veins
D)   Systematic veinsE) A) and D)
F) All of the above

Question 18

Which of the following diseases is characterized by inflammation of the bronchi and increased mucus production?

Accepted Answer

A)   Pulmonary fibrosis
B)   Adult respiratory distress syndrome
C)   Emphysema
D)   BronchitisE) C) and D)
F) A) and C)

Question 19

When oxygen in the blood is increased, the respiratory rate and depth of breathing will do which of the following?

Accepted Answer

A)   Increase
B)   Decrease
C)   There is no effectD) A) and B)
E) A) and C)

Question 20

Which of the following curves describes the percent saturation of hemoglobin in the blood at different blood Po2 values?

Accepted Answer

A)   Bohr curve
B)   Oxygen saturation curve
C)   Oxygen - hemoglobin dissociation curve
D)   All of the above are correctE) A) and C)
F) A) and B)

Exam 20: Respiratory System

Which of the following is NOT part of the upper respiratory tract?

Correct AnswerverifiedShow Answer

Which of the following are the cube-shape cells that secrete surfactant into the alveolus?

Correct AnswerverifiedShow Answer

Which of the following diseases is characterized by inflammation of the bronchi and increased mucus production?

Correct AnswerverifiedShow Answer

The amount of oxygen transported in the blood as dissolved oxygen is 1.5%.

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of the nose?

Correct AnswerverifiedShow Answer

Which of the following blood vessel has a Po2 of 40 mm Hg?

Correct AnswerverifiedShow Answer

Which of the following blood vessel has a Po2 of 95 mm Hg?

Correct AnswerverifiedShow Answer

The respiratory rate increases with the onset of exercise.

Correct AnswerverifiedShow Answer

The systematic veins have a Pco2 of 45 mm Hg.

Correct AnswerverifiedShow Answer

Which of the following curves describes the percent saturation of hemoglobin in the blood at different blood Po2 values?

Correct AnswerverifiedShow Answer

Which of the following is the nasal opening into the pharynx?

Correct AnswerverifiedShow Answer

What is the amount of air that can be maximally expired after a maximal inspiratory effort as rapidly as possible?

Correct AnswerverifiedShow Answer

When oxygen in the blood is increased, the respiratory rate and depth of breathing will do which of the following?

Correct AnswerverifiedShow Answer

Which of the following has NO effect on airflow in the lungs?

Correct AnswerverifiedShow Answer

The larynx is a part of the upper respiratory tract.

Correct AnswerverifiedShow Answer

What is the largest cartilage in the larynx that forms the Adam's apple?

Correct AnswerverifiedShow Answer

Which of the following is the cause of quiet expiration?

Correct AnswerverifiedShow Answer

What are the chemoreceptors located in the carotid sinuses and the aortic bodies called?

Correct AnswerverifiedShow Answer

Expiration is the movement of air into the lungs.

Correct AnswerverifiedShow Answer

What is the amount of air that can be maximally expired after a maximal inspiratory effort?

Correct AnswerverifiedShow Answer

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