Question 1

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.

Question 2

Use the following two choices.
-increase in pH

Accepted Answer

A) oxygen-hemoglobin dissociation curve shifts to the right 
B) oxygen-hemoglobin dissociation curve shifts to the left 
A) oxygen-hemoglobin dissociation curve shifts to the right 
B) oxygen-hemoglobin dissociation curve shifts to the left

Question 3

Which of the following statements regarding the lungs is correct?

Accepted Answer

A)  The left lung is larger than the right lung. 
B)  The left lung contains two lobes while the right lung contains three lobes. 
C)  The left lung has more bronchopulmonary segments than the right lung. 
D)  Only the right lung has a hilum. 
E)  The left lung contains three lobes while the right lung contains two lobes. 
A)  The left lung is larger than the right lung. 
B)  The left lung contains two lobes while the right lung contains three lobes. 
C)  The left lung has more bronchopulmonary segments than the right lung. 
D)  Only the right lung has a hilum. 
E)  The left lung contains three lobes while the right lung contains two lobes.

Question 4

Match the term with the appropriate description, answer with the letter preceding the description.
-external nares
"Enter the letter of the correct description below"

Accepted Answer

A) the floor of the nasal cavity 
B) superior portion of pharynx 
C) a soft process that extends inferiorly from the posterior edge of the soft palate 
D) the opening of the nasal cavity into the pharynx 
E) external openings of the nasal cavity 
A) the floor of the nasal cavity 
B) superior portion of pharynx 
C) a soft process that extends inferiorly from the posterior edge of the soft palate 
D) the opening of the nasal cavity into the pharynx 
E) external openings of the nasal cavity

Question 5

Hyperventilation _____ plasma carbon dioxide levels which _____ plasma pH.

Accepted Answer

A)  decreases; decreases 
B)  increases; decreases 
C)  increases; increases 
D)  decreases; increases 
A)  decreases; decreases 
B)  increases; decreases 
C)  increases; increases 
D)  decreases; increases

Question 6

The chloride shift refers to the

Accepted Answer

A)  effect of chloride ions on the oxygen dissociation curve. 
B)  exchange of chloride ions for bicarbonate ions across the red blood cell membrane. 
C)  exchange of chloride ions for carbon dioxide across alveolar cell membranes. 
D)  effect of chloride ions on hydrogen ion diffusion from red blood cells. 
E)  exchange of chloride ions for hemoglobin across the RBC membrane. 
A)  effect of chloride ions on the oxygen dissociation curve. 
B)  exchange of chloride ions for bicarbonate ions across the red blood cell membrane. 
C)  exchange of chloride ions for carbon dioxide across alveolar cell membranes. 
D)  effect of chloride ions on hydrogen ion diffusion from red blood cells. 
E)  exchange of chloride ions for hemoglobin across the RBC membrane.

Question 7

Which of the following molecules acts as a buffer during the chloride shift?

Accepted Answer

A)  carbon dioxide 
B)  hemoglobin 
C)  carbonic anhydrase 
D)  water 
E)  bicarbonate ion 
A)  carbon dioxide 
B)  hemoglobin 
C)  carbonic anhydrase 
D)  water 
E)  bicarbonate ion

Question 8

Ventilation refers to the

Accepted Answer

A)  movement of air into and out of the lungs. 
B)  gas exchange between the blood and the tissues. 
C)  transportation of oxygen and carbon dioxide in the blood. 
D)  gas exchange between the air in the lungs and the blood. 
E)  respiration at the cellular level. 
A)  movement of air into and out of the lungs. 
B)  gas exchange between the blood and the tissues. 
C)  transportation of oxygen and carbon dioxide in the blood. 
D)  gas exchange between the air in the lungs and the blood. 
E)  respiration at the cellular level.

Question 9

The pitch of the sound produced by the vocal folds is controlled by the

Accepted Answer

A)  frequency of the vibrations. 
B)  amplitude of the vibrations. 
C)  thickness of the thyroid cartilage. 
D)  size of the glottis. 
E)  force of air moving past them. 
A)  frequency of the vibrations. 
B)  amplitude of the vibrations. 
C)  thickness of the thyroid cartilage. 
D)  size of the glottis. 
E)  force of air moving past them.

Question 10

What factors are responsible for the decrease in the volume of the alveoli?

Accepted Answer

A)  compliance and lung recoil 
B)  lung recoil and surface tension of water 
C)  compliance and surface tension of water 
D)  perfusion and lung recoil 
A)  compliance and lung recoil 
B)  lung recoil and surface tension of water 
C)  compliance and surface tension of water 
D)  perfusion and lung recoil

Question 11

The ring of cartilage that forms the base of the larynx is the

Accepted Answer

A)  epiglottis. 
B)  thyroid cartilage. 
C)  cricoid cartilage. 
D)  arytenoid cartilage. 
E)  cuneiform cartilage. 
A)  epiglottis. 
B)  thyroid cartilage. 
C)  cricoid cartilage. 
D)  arytenoid cartilage. 
E)  cuneiform cartilage.

Question 12

Use the following key to determine the best answer.
-(1) alveolar pressure during inspiration;
(2) alveolar pressure during expiration

Accepted Answer

A) Choose this if the first item is greater than the second item. 
B) Choose this if the first item is less than the second item. 
C) Choose this if the first item is equal or nearly equal to the second item. 
A) Choose this if the first item is greater than the second item. 
B) Choose this if the first item is less than the second item. 
C) Choose this if the first item is equal or nearly equal to the second item.

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

-Which of the patients above does not have any abnormal respiratory values?

Accepted Answer

The answer of  
-Which of the patients above does...

Question 15

During expiration, the alveolar pressure must be

Accepted Answer

A)  greater than atmospheric pressure. 
B)  less than atmospheric pressure. 
C)  equal to atmospheric pressure. 
D)  greater than pleural pressure. 
E)  None of these choices is correct. 
A)  greater than atmospheric pressure. 
B)  less than atmospheric pressure. 
C)  equal to atmospheric pressure. 
D)  greater than pleural pressure. 
E)  None of these choices is correct.

Question 16

Whenever people cry, their nose runs. This is because the _____ drain tears into the nose.

Accepted Answer

A)  nasolacrimal ducts 
B)  paranasal sinuses 
C)  lacrimal glands 
D)  Wharten's ducts 
E)  auditory tube 
A)  nasolacrimal ducts 
B)  paranasal sinuses 
C)  lacrimal glands 
D)  Wharten's ducts 
E)  auditory tube

Question 17

Match the disorder of the respiratory system with the best description.
-pulmonary 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 18

Use the following two choices.
-increase in body temperature

Accepted Answer

A) oxygen-hemoglobin dissociation curve shifts to the right 
B) oxygen-hemoglobin dissociation curve shifts to the left 
A) oxygen-hemoglobin dissociation curve shifts to the right 
B) oxygen-hemoglobin dissociation curve shifts to the left

Question 19

Which of the following is NOT a respiratory adaptation to exercise training?

Accepted Answer

A)  vital capacity increases 
B)  tidal volume at maximal exercise will increase 
C)  increased minute ventilation after training 
D)  after training, respiratory rate at rest is lower 
A)  vital capacity increases 
B)  tidal volume at maximal exercise will increase 
C)  increased minute ventilation after training 
D)  after training, respiratory rate at rest is lower

Question 20

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. 
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.

Exam 23: Respiratory System

Oxygen is transported in the blood

Use the following two choices. -increase in pH

Which of the following statements regarding the lungs is correct?

Match the term with the appropriate description, answer with the letter preceding the description. -external nares "Enter the letter of the correct description below"

Hyperventilation _____ plasma carbon dioxide levels which _____ plasma pH.

The chloride shift refers to the

Which of the following molecules acts as a buffer during the chloride shift?

Ventilation refers to the

The pitch of the sound produced by the vocal folds is controlled by the

What factors are responsible for the decrease in the volume of the alveoli?

The ring of cartilage that forms the base of the larynx is the

Use the following key to determine the best answer. -(1) alveolar pressure during inspiration; (2) alveolar pressure during expiration

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

-Which of the patients above does not have any abnormal respiratory values?

During expiration, the alveolar pressure must be

Whenever people cry, their nose runs. This is because the _____ drain tears into the nose.

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

Use the following two choices. -increase in body temperature

Which of the following is NOT a respiratory adaptation to exercise training?

External respiration refers to

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

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Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

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Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

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Water, Electrolyte, and Acid-Based Balance

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Filters

Hyperventilation _ plasma carbon dioxide levels which _ plasma pH.