Question 1

Match the disorder of the respiratory system with the best description.
-cystic fibrosis

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 
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 2

Hemoglobin that has released its oxygen

Accepted Answer

A)  loses its affinity for oxygen. 
B)  will dissolve in the plasma. 
C)  will bind more readily to carbon dioxide. 
D)  is broken down to heme and globin and excreted. 
E)  will bind more readily to oxygen. 
A)  loses its affinity for oxygen. 
B)  will dissolve in the plasma. 
C)  will bind more readily to carbon dioxide. 
D)  is broken down to heme and globin and excreted. 
E)  will bind more readily to oxygen.

Question 3

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 
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 4

Air in the pleural cavity is called

Accepted Answer

A)  emphysema. 
B)  respiratory distress syndrome. 
C)  a pneumothorax. 
D)  pneumonia. 
E)  forced expiration. 
A)  emphysema. 
B)  respiratory distress syndrome. 
C)  a pneumothorax. 
D)  pneumonia. 
E)  forced expiration.

Question 5

The auditory tubes open into the

Accepted Answer

A)  fauces. 
B)  oropharynx. 
C)  nasopharynx. 
D)  laryngopharynx. 
E)  nasal cavity. 
A)  fauces. 
B)  oropharynx. 
C)  nasopharynx. 
D)  laryngopharynx. 
E)  nasal cavity.

Question 6

During exercise, the oxygen-hemoglobin dissociation curve

Accepted Answer

A)  shifts to the right. 
B)  shifts to the left. 
C)  doesn't shift. 
A)  shifts to the right. 
B)  shifts to the left. 
C)  doesn't shift.

Question 7

Pulmonary edema will cause the rate of gas diffusion to

Accepted Answer

A)  increase. 
B)  decrease. 
C)  remain the same. 
A)  increase. 
B)  decrease. 
C)  remain the same.

Question 8

What is the volume of air that can be forcibly expired after expiration of the tidal volume?

Accepted Answer

A)  residual volume 
B)  inspiratory reserve volume 
C)  vital capacity 
D)  expiratory reserve volume 
A)  residual volume 
B)  inspiratory reserve volume 
C)  vital capacity 
D)  expiratory reserve volume

Question 9

As temperature increases, how would this affect the oxyhemoglobin-dissociation curve?

Accepted Answer

A)  shift it to the left 
B)  shift it to the right 
C)  no change 
D)  shift it up 
E)  None of these choices is correct 
A)  shift it to the left 
B)  shift it to the right 
C)  no change 
D)  shift it up 
E)  None of these choices is correct

Question 10

The trachea

Accepted Answer

A)  is located in the pleural cavity. 
B)  has "C" shaped cartilages that form its anterior and lateral sides. 
C)  is lined with keratinized squamous epithelium. 
D)  bifurcates to form the bronchioles. 
E)  collapses when not in use. 
A)  is located in the pleural cavity. 
B)  has "C" shaped cartilages that form its anterior and lateral sides. 
C)  is lined with keratinized squamous epithelium. 
D)  bifurcates to form the bronchioles. 
E)  collapses when not in use.

Question 11

What is the function of the ciliated epithelium of the tracheobronchial tree?

Accepted Answer

A)  to cause coughing 
B)  a mucus-cilia escalator 
C)  move dirt toward the alveoli 
D)  All of the choices are correct 
A)  to cause coughing 
B)  a mucus-cilia escalator 
C)  move dirt toward the alveoli 
D)  All of the choices are correct

Question 12

Mr. Huff and Puff exhales normally; then, using forced expiration, he exhales as much air as possible. The volume of air still remaining in his lungs is called

Accepted Answer

A)  expiratory reserve volume. 
B)  tidal volume. 
C)  inspiratory reserve volume. 
D)  vital capacity. 
E)  residual volume. 
A)  expiratory reserve volume. 
B)  tidal volume. 
C)  inspiratory reserve volume. 
D)  vital capacity. 
E)  residual volume.

Question 13

__________ is the volume of air inspired during a normal inspiration.

Accepted Answer

The answer of __________ is the volume of air inspired...

Question 14

Rhythmicity of breathing involves

Accepted Answer

A)  conscious effort and control. 
B)  stimulation of inspiration. Expiration is automatic. 
C)  pontine respiratory group as a necessary part. 
D)  a set pattern of inspiration - expiration that is always the same. 
E)  the pre-Bötzinger complex of the ventral respiratory group. 
A)  conscious effort and control. 
B)  stimulation of inspiration. Expiration is automatic. 
C)  pontine respiratory group as a necessary part. 
D)  a set pattern of inspiration - expiration that is always the same. 
E)  the pre-Bötzinger complex of the ventral respiratory group.

Question 15

The walls of the alveoli

Accepted Answer

A)  are composed of simple squamous epithelium. 
B)  contain several layers of smooth muscle. 
C)  contain goblet cells. 
D)  are surrounded by cartilage. 
E)  are ciliated. 
A)  are composed of simple squamous epithelium. 
B)  contain several layers of smooth muscle. 
C)  contain goblet cells. 
D)  are surrounded by cartilage. 
E)  are ciliated.

Question 16

-The diagram illustrates the major regulatory mechanisms of ventilation. What mechanism does "A" represent?

Accepted Answer

A)  Hering-Breuer reflex 
B)  receptors for touch, temperature, pain stimule 
C)  medullary chemoreceptors 
D)  carotid and aortic body chemoreceptors 
E)  proprioceptors 
A)  Hering-Breuer reflex 
B)  receptors for touch, temperature, pain stimule 
C)  medullary chemoreceptors 
D)  carotid and aortic body chemoreceptors 
E)  proprioceptors

Question 17

When 2,3-bisphosphoglycerate (BPG) levels increase, hemoglobin

Accepted Answer

A)  releases less oxygen to tissues. 
B)  releases more carbon dioxide to tissues. 
C)  releases more oxygen to tissues. 
D)  releases less carbon dioxide to tissues. 
E)  None of these choices is correct. 
A)  releases less oxygen to tissues. 
B)  releases more carbon dioxide to tissues. 
C)  releases more oxygen to tissues. 
D)  releases less carbon dioxide to tissues. 
E)  None of these choices is correct.

Question 18

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. 
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 19

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

Question 20

Oxygen is transported in the blood

Accepted Answer

A)  bound to hemoglobin. 
B)  bound to albumin. 
C)  dissolved in the plasma. 
D)  as part of the bicarbonate ion. 
E)  dissolved in the plasma and bound to hemoglobin. 
A)  bound to hemoglobin. 
B)  bound to albumin. 
C)  dissolved in the plasma. 
D)  as part of the bicarbonate ion. 
E)  dissolved in the plasma and bound to hemoglobin.

Exam 23: Respiratory System

Match the disorder of the respiratory system with the best description. -cystic fibrosis

Hemoglobin that has released its oxygen

Which of the following factors keeps the alveoli expanded?

Air in the pleural cavity is called

The auditory tubes open into the

During exercise, the oxygen-hemoglobin dissociation curve

Pulmonary edema will cause the rate of gas diffusion to

What is the volume of air that can be forcibly expired after expiration of the tidal volume?

As temperature increases, how would this affect the oxyhemoglobin-dissociation curve?

The trachea

What is the function of the ciliated epithelium of the tracheobronchial tree?

Mr. Huff and Puff exhales normally; then, using forced expiration, he exhales as much air as possible. The volume of air still remaining in his lungs is called

__________ is the volume of air inspired during a normal inspiration.

Rhythmicity of breathing involves

The walls of the alveoli

-The diagram illustrates the major regulatory mechanisms of ventilation. What mechanism does "A" represent?

When 2,3-bisphosphoglycerate (BPG) levels increase, hemoglobin

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

Which of the following is NOT a process of respiration?

Oxygen is transported in the blood

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