Question 1

Match the term with the appropriate description or definition.
-expiratory reserve volume "Enter the letter of the correct description below"

Accepted Answer

A)  sum of the inspiratory reserve,expiratory reserve,tidal,and residual volumes
B)  volume of air inspired during a normal inspiration
C)  volume of air remaining in lungs after the most forceful expiration
D)  sum of the expiratory reserve,inspiratory reserve,and tidal volumes
E)  the amount of air that can be forcefully expired after expiration of the normal tidal volume

Question 2

From largest to smallest,the correct sequence for the following passageways is

Accepted Answer

A)  bronchi,bronchioles,respiratory bronchioles,terminal bronchioles,alveoli.
B)  bronchioles,terminal bronchioles,respiratory bronchioles,bronchi,alveoli.
C)  alveoli,bronchioles,terminal bronchioles,respiratory bronchioles,bronchi.
D)  bronchi,bronchioles,terminal bronchioles,respiratory bronchioles,alveoli.
E)  terminal bronchioles,respiratory bronchioles,bronchi,bronchioles,alveoli.

Question 3

Which of the following will cause a decrease in the surface area of the respiratory membrane?

Accepted Answer

A)  emphysema
B)  tuberculosis
C)  pneumonia
D)  All of the choices will reduce surface area of the respiratory membrane

Question 4

Contraction of respiratory muscles are responsible for the movement of air out of the lungs in quiet expiration.

Accepted Answer

A) True 
 B)False

Question 5

Why is fetal hemoglobin very efficient at picking up oxygen?

Accepted Answer

A)  The BPG levels are much higher than in maternal hemoglobin.
B)  The fetal oxygen-dissociation curve is to the right of the maternal oxygen-dissociation curve.
C)  The concentration of fetal hemoglobin is 10% greater than the concentration of maternal hemoglobin.
D)  The fetal oxygen-dissociation curve is to the left of the maternal oxygen-dissociation curve.

Question 6

Oxygen diffusion from the alveolus to the pulmonary capillary occurs because

Accepted Answer

A)  alveolar PO2 is greater than capillary PO2.
B)  oxygen diffuses faster than carbon dioxide.
C)  alveolar PCO2 is greater than capillary PCO2.
D)  alveolar PO2 is less than capillary PCO2.
E)  carbon dioxide diffuses faster than oxygen.

Question 7

Match the disorder of the respiratory system with the best description.
-sudden infant death syndrome (SIDS)

Accepted Answer

A)  destruction of the alveolar walls
B)  inflammation of the bronchii
C)  inherited disease that affects secretory cells lining the lungs
D)  replacement of lung tissue with fibrous connective tissue
E)  infant stops breathing during sleep

Question 8

The olfactory epithelium responsible for the sense of smell is located in the

Accepted Answer

A)  floor of the nasal cavity.
B)  wall of the nasal septum.
C)  lining of the nasopharynx.
D)  cavity of the paranasal sinuses.
E)  roof of the nasal cavity.

Question 9

Which of the following factors keeps the alveoli expanded?

Accepted Answer

A)  a pneumothorax
B)  negative pleural pressure
C)  alveolar pressure being equal to atmospheric pressure
D)  a reduction in surfactant
E)  negative intra-alveolar pressure

Question 10

Use the table to determine the best answer.
  
-Which of the patients above is suffering from emphysema?

Accepted Answer

The answer of Use the table to determine the best...

Question 11

What type of alveolar cells produce surfactant?

Accepted Answer

A)  ciliated simple cuboidal epithelial cells
B)  Type I pneumocytes
C)  Type II pneumocytes
D)  macrophages

Question 12

Constriction of smooth muscle in the bronchioles

Accepted Answer

A)  occurs during periods of exercise.
B)  restricts the flow of air into the lungs.
C)  decreases ciliary action.
D)  increases airflow out of the lungs.
E)  does not affect airflow.

Question 13

Use the table to determine the best answer.
  
-Which of the patients above does not have any abnormal respiratory values?

Accepted Answer

The answer of Use the table to determine the best...

Question 14

Use the table to determine the best answer.
  
-Which of the patients above has a severe case of "test anxiety"?

Accepted Answer

The answer of Use the table to determine the best...

Question 15

Which of the following statements concerning the lungs and the pleura is true?

Accepted Answer

A)  Each lung is suspended in a separate pleural cavity.
B)  Parietal pleura covers the surface of each lung.
C)  The space between the visceral and parietal pleurae is called the mediastinum.
D)  The pleural fluid assists in gas exchange.
E)  The pleural membranes adhere,but cannot slide past each other.

Question 16

Which of the following is NOT a process of respiration?

Accepted Answer

A)  voice production
B)  internal respiration
C)  ventilation
D)  external respiration
E)  transport of blood gases in the blood

Question 17

The ventral respiratory group

Accepted Answer

A)  is located in the pons.
B)  stimulates the intercostal and abdominal muscles.
C)  is part of the pontine respiratory group.
D)  is active only in exhalation.
E)  stimulates the diaphragm.

Question 18

The Bohr effect refers to the

Accepted Answer

A)  mechanism involved in diffusion of nitrogen into the blood.
B)  physical laws governing the solubility of gases in fluids.
C)  effect of pH on the oxygen-hemoglobin dissociation curve.
D)  chemical equilibrium between carbonic acid and bicarbonate in the blood.
E)  effect of temperature on the oxygen-hemoglobin dissociation curve.

Question 19

External respiration refers to

Accepted Answer

A)  atmospheric air coming into the lungs.
B)  gas exchange between the lungs and the blood.
C)  gas exchange in the atmosphere.
D)  gas exchange between the blood and body tissues.
E)  cellular respiration.

Question 20

Normally,the partial pressure of oxygen gas is higher in the

Accepted Answer

A)  blood of the pulmonary capillaries.
B)  bronchioles.
C)  alveoli.
D)  venous blood.

Exam 23: Respiratory System

The ventral respiratory group

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The olfactory epithelium responsible for the sense of smell is located in the

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Match the disorder of the respiratory system with the best description. -sudden infant death syndrome (SIDS)

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From largest to smallest,the correct sequence for the following passageways is

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Use the table to determine the best answer. -Which of the patients above does not have any abnormal respiratory values?

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Match the term with the appropriate description or definition. -expiratory reserve volume "Enter the letter of the correct description below"

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Which of the following will cause a decrease in the surface area of the respiratory membrane?

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Which of the following statements concerning the lungs and the pleura is true?

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External respiration refers to

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Use the table to determine the best answer. -Which of the patients above has a severe case of "test anxiety"?

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Constriction of smooth muscle in the bronchioles

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Which of the following factors keeps the alveoli expanded?

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Normally,the partial pressure of oxygen gas is higher in the

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Use the table to determine the best answer. -Which of the patients above is suffering from emphysema?

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The Bohr effect refers to the

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Why is fetal hemoglobin very efficient at picking up oxygen?

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What type of alveolar cells produce surfactant?

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Oxygen diffusion from the alveolus to the pulmonary capillary occurs because

Correct AnswerverifiedShow Answer

Contraction of respiratory muscles are responsible for the movement of air out of the lungs in quiet expiration.

Correct AnswerverifiedShow Answer

Which of the following is NOT a process of respiration?

Correct AnswerverifiedShow Answer

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