Question 1

Which of the labeled respiratory organs in the given diagram represents the larynx?

Accepted Answer

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

Question 2

In clinical practice, pulmonary ventilation refers to inspiration only.

Accepted Answer

A) True 
 B)False

Question 3

The openings to the auditory (Eustachian)tubes are located in the

Accepted Answer

A) larynx 
B) fauces 
C) oropharynx 
D) nasopharynx 
E) laryngopharynx 
A) larynx 
B) fauces 
C) oropharynx 
D) nasopharynx 
E) laryngopharynx

Question 4

After a rigorous exercise session has ended, there is an abrupt drop in the ventilation rate followed by a more gradual decrease. The initial abrupt drop in ventilation primarily results from decreased stimulation of

Accepted Answer

A) central chemoreceptors 
B) peripheral chemoreceptors 
C) baroreceptors 
D) proprioceptors 
E) nociceptors 
A) central chemoreceptors 
B) peripheral chemoreceptors 
C) baroreceptors 
D) proprioceptors 
E) nociceptors

Question 5

Under normal breathing conditions at sea level, the lowest concentration of carbon dioxide (PCO2)would be observed at point _____ in the diagram of external and internal respiration.

Accepted Answer

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

Question 6

The exchange of gases that occurs during external respiration takes place in the

Accepted Answer

A) trachea 
B) terminal bronchioles 
C) alveoli 
D) bronchi 
E) all of the choices are correct 
A) trachea 
B) terminal bronchioles 
C) alveoli 
D) bronchi 
E) all of the choices are correct

Question 7

Histamine is a mediator of allergic reactions that causes

Accepted Answer

A) no effect on bronchioles. 
B) bronchoconstriction. 
C) bronchodilation. 
D) smooth muscle spasm. 
E) vasoconstriction of pulmonary capillaries. 
A) no effect on bronchioles. 
B) bronchoconstriction. 
C) bronchodilation. 
D) smooth muscle spasm. 
E) vasoconstriction of pulmonary capillaries.

Question 8

The air pressure inside the lungs is called the alveolar pressure.

Accepted Answer

A) True 
 B)False

Question 9

The chloride shift

Accepted Answer

A) involves movement of bicarbonate to outside of RBCs in exchange for chloride. 
B) raises the chloride concentration of venous blood plasma. 
C) is necessary for efficient transport of oxygen by the blood. 
D) only happens in people with emphysema. 
E) helps maintain electrical balance between plasma and interstitial fluid. 
A) involves movement of bicarbonate to outside of RBCs in exchange for chloride. 
B) raises the chloride concentration of venous blood plasma. 
C) is necessary for efficient transport of oxygen by the blood. 
D) only happens in people with emphysema. 
E) helps maintain electrical balance between plasma and interstitial fluid.

Question 10

Which of the following lists a correct order in which inhaled air sequentially moves through the structures of the respiratory passageway?

Accepted Answer

A) pharynx, trachea, larynx, bronchi, bronchioles 
B) larynx, pharynx, trachea, bronchioles, bronchi 
C) trachea, pharynx, larynx, bronchi, bronchioles 
D) pharynx, larynx, trachea, bronchi, bronchioles 
E) pharynx, larynx, trachea, bronchioles, bronchi 
A) pharynx, trachea, larynx, bronchi, bronchioles 
B) larynx, pharynx, trachea, bronchioles, bronchi 
C) trachea, pharynx, larynx, bronchi, bronchioles 
D) pharynx, larynx, trachea, bronchi, bronchioles 
E) pharynx, larynx, trachea, bronchioles, bronchi

Question 11

The fluid that lines the inside of the alveoli is produced by

Accepted Answer

A) cuboidal epithelial cells in the terminal bronchioles 
B) alveolar macrophages 
C) squamous pulmonary epithelial cells 
D) surfactant-secreting cells 
E) capillary endothelial cells 
A) cuboidal epithelial cells in the terminal bronchioles 
B) alveolar macrophages 
C) squamous pulmonary epithelial cells 
D) surfactant-secreting cells 
E) capillary endothelial cells

Question 12

Name and briefly describe the three basic processes of respiration.

Accepted Answer

1)Pulmonary ventilation (breathing)is th

Question 13

The painful breathing experienced by someone with pleurisy is caused by

Accepted Answer

A) excessive bronchoconstriction. 
B) excessive bronchodilation. 
C) friction between the swollen pleural membranes. 
D) histamine release leading to pulmonary edema. 
E) parasympathetic stimulation of nociceptors. 
A) excessive bronchoconstriction. 
B) excessive bronchodilation. 
C) friction between the swollen pleural membranes. 
D) histamine release leading to pulmonary edema. 
E) parasympathetic stimulation of nociceptors.

Question 14

The narrow superior portion of the lung is called the apex.

Accepted Answer

A) True 
 B)False

Question 15

Smoking can cause

Accepted Answer

A) emphysema. 
B) smoker's cough and chronic bronchitis. 
C) lung cancer. 
D) increased mucus secretion. 
E) all of the choices are correct. 
A) emphysema. 
B) smoker's cough and chronic bronchitis. 
C) lung cancer. 
D) increased mucus secretion. 
E) all of the choices are correct.

Question 16

Which of the labeled locations on the diagram of external and internal respiration would have the following concentrations of gases: PO2 = 105 mm Hg and PCO2 = 40 mm Hg?

Accepted Answer

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

Question 17

Which of the labeled steps in the diagrams do NOT involve contraction of any respiratory muscles?

Accepted Answer

A) A only 
B) B only 
C) D only 
D) B and D 
E) A and C 
A) A only 
B) B only 
C) D only 
D) B and D 
E) A and C

Question 18

Which of the labeled steps in the diagram involve contraction of the abdominal muscles?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) The abdominal muscles are not involved in any of the labeled respiratory events. 
A) A 
B) B 
C) C 
D) D 
E) The abdominal muscles are not involved in any of the labeled respiratory events.

Question 19

The volume of air that can be forcibly exhaled after a normal exhalation is the

Accepted Answer

A) tidal volume 
B) residual volume 
C) inspiratory reserve volume 
D) expiratory reserve volume 
E) minute volume of respiration 
A) tidal volume 
B) residual volume 
C) inspiratory reserve volume 
D) expiratory reserve volume 
E) minute volume of respiration

Question 20

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

Exam 18: The Respiratory System

Which of the labeled respiratory organs in the given diagram represents the larynx?

In clinical practice, pulmonary ventilation refers to inspiration only.

The openings to the auditory (Eustachian)tubes are located in the

After a rigorous exercise session has ended, there is an abrupt drop in the ventilation rate followed by a more gradual decrease. The initial abrupt drop in ventilation primarily results from decreased stimulation of

Under normal breathing conditions at sea level, the lowest concentration of carbon dioxide (PCO2)would be observed at point _____ in the diagram of external and internal respiration.

The exchange of gases that occurs during external respiration takes place in the

Histamine is a mediator of allergic reactions that causes

The air pressure inside the lungs is called the alveolar pressure.

The chloride shift

Which of the following lists a correct order in which inhaled air sequentially moves through the structures of the respiratory passageway?

The fluid that lines the inside of the alveoli is produced by

Name and briefly describe the three basic processes of respiration.

The painful breathing experienced by someone with pleurisy is caused by

The narrow superior portion of the lung is called the apex.

Smoking can cause

Which of the labeled locations on the diagram of external and internal respiration would have the following concentrations of gases: PO2 = 105 mm Hg and PCO2 = 40 mm Hg?

Which of the labeled steps in the diagrams do NOT involve contraction of any respiratory muscles?

Which of the labeled steps in the diagram involve contraction of the abdominal muscles?

The volume of air that can be forcibly exhaled after a normal exhalation is the

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

Organization of the Human Body

Introductory Chemistry

Cells

Tissues

The Integumentary System

The Skeletal System

Joints

The Muscular System

Nervous Tissue

Central Nervous System, Spinal Nerves, and Cranial Nerves

Autonomic Nervous System

Somatic Senses and Special Sense

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Digestive System

Nutrition and Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive Systems

Development and Inheritance

Filters

Under normal breathing conditions at sea level, the lowest concentration of carbon dioxide (PCO₂)would be observed at point _____ in the diagram of external and internal respiration.

Which of the labeled locations on the diagram of external and internal respiration would have the following concentrations of gases: PO₂ = 105 mm Hg and PCO₂ = 40 mm Hg?