Question 1

Which of the following diseases make up chronic obstructive pulmonary disease (COPD) ?

Accepted Answer

A)  emphysema,chronic bronchitis,and asthma
B)  emphysema,tuberculosis,and cystic fibrosis
C)  chronic bronchitis,tuberculosis,and pulmonary fibrosis
D)  tuberculosis,cystic fibrosis,and asthma
E)  pulmonary fibrosis,asthma,and cystic fibrosisF) B) and E)
G) A) and B)

Question 2

After the trachea,what is the next structure that air passes through?

Accepted Answer

A)  bronchi
B)  alveolus
C)  larynx
D)  pharynx
E)  bronchiolesF) All of the above
G) B) and D)

Question 3

Blood richest in oxygen is found in the

Accepted Answer

A)  inferior vena cava.
B)  superior vena cava.
C)  pulmonary arteries.
D)  pulmonary veins.
E)  systemic capillaries.F) A) and B)
G) A) and C)

Question 4

The highest carbon dioxide concentration will be found in (or at) the

Accepted Answer

A)  atmosphere.
B)  trachea.
C)  alveoli.
D)  tissue cells.
E)  blood.F) A) and D)
G) B) and D)

Question 5

The majority of cases of lung cancer are associated with smoking.

Accepted Answer

A) True 
 B)False

Question 6

The symptoms of laryngitis include a severe sore throat,high fever,and white patches on the throat.

Accepted Answer

A) True 
 B)False

Question 7

Phillip is breathing at approximately 40 ventilations per minute.What is the respiratory center indicating?

Accepted Answer

A)  low oxygen concentration in the lungs
B)  high carbon dioxide concentration in the blood
C)  low oxygen concentration in the blood
D)  the firing of the intercostal nerves
E)  stretch receptors in the alveolar wallsF) C) and D)
G) A) and C)

Question 8

Which portion of the respiratory tract is commonly referred to as the "throat"?

Accepted Answer

A)  pharynx
B)  larynx
C)  glottis
D)  trachea
E)  epiglottisF) B) and D)
G) B) and C)

Question 9

An infection with Mycobacterium can cause tubercles in the lungs.

Accepted Answer

A) True 
 B)False

Question 10

A pressurized airplane cabin and an oxygen tent over a patient in a hospital both address the need of a person for oxygen.How do these compare?

Accepted Answer

A)  The oxygen tent increases the air pressure to increase the PO2.
B)  Airplane cabin pressure lowers the partial pressures for normal breathing.
C)  Both use the same mechanism to force hemoglobin to increase affinity for oxygen.
D)  The oxygen tent increases concentration of O2 while the airplane maintains total air pressure without changing concentrations.
E)  Both increase the PO2 in order to force the exchange of oxygen for carbon dioxide.F) B) and C)
G) C) and D)

Question 11

Which of the following respiratory structures will have the least amount of cartilage and the thinnest walls?

Accepted Answer

A)  larynx
B)  trachea
C)  bronchi
D)  bronchioles
E)  pharynxF) A) and E)
G) A) and D)

Question 12

Almost all of the disorders of the respiratory system are due to infectious diseases.Those that are not infectious are most likely inherited diseases.

Accepted Answer

A) True 
 B)False

Question 13

The maximum volume of air that can be moved in plus the maximum volume of air that can be moved out during a single breath is the

Accepted Answer

A)  tidal volume.
B)  inspiratory reserve volume.
C)  expiratory reserve volume.
D)  vital capacity.
E)  residual volume.F) A) and C)
G) All of the above

Question 14

What happens to the pH of the bloodstream if a person hypoventilates?

Accepted Answer

A)  The pH of the blood will become more acidic.
B)  The pH of the blood will increase.
C)  The pH of the blood will initially increase and then dramatically decrease.
D)  The pH of the blood will initially decrease and then dramatically increase.
E)  Nothing will happen to the pH of the blood.F) C) and E)
G) A) and B)

Question 15

Sarah comes home from school with a horrible pressure behind her eyes.Her nose is running and she has a headache.She recently had a cold.What is Sarah most likely suffering from?

Accepted Answer

A)  otitis media
B)  sinusitis
C)  bronchitis
D)  asthma
E)  pneumoniaF) C) and D)
G) B) and E)

Question 16

Oxygen is transported in blood most efficiently by

Accepted Answer

A)  being dissolved in the plasma.
B)  chemical conversion to water.
C)  combining with hemoglobin.
D)  combining with carbon dioxide to form bicarbonate ions.
E)  a free oxygen ion or radical.F) B) and C)
G) A) and B)

Question 17

Which of the following statements is NOT true regarding the normal mechanism of ventilation?

Accepted Answer

A)  There must be a continuous column of air from the pharynx to the alveoli.
B)  The lungs must lie within a sealed-off thoracic cavity.
C)  The inner and outer pleural membranes must be separated by a thin film of fluid.
D)  The intrapleural pressure must be greater than the atmospheric pressure.
E)  The diaphragm,when contracted,will be lowered.F) D) and E)
G) B) and C)

Question 18

Imagine you are trying to fit down an aisle at the local store that is filled with boxes.In order to squeeze between two stacks of boxes you need to "suck it in." Which of the following descriptions best explains why "sucking it in" isn't the best way to fit through a tight space?

Accepted Answer

A)  While sucking it in,your diaphragm contracts and moves down,causing the lung volume to increase.This causes the rib cage to move up and out,making your chest expand.
B)  While sucking it in,your diaphragm contracts and moves upward,causing the lung volume to increase.This causes the rib cage to move up and out,making your chest larger.
C)  While sucking it in,your diaphragm contracts and moves down,causing the lung volume to decrease.This causes the rib cage to move up and out,making your chest larger.
D)  While sucking it in,your diaphragm contracts and moves down,causing the lung volume to increase.This causes the rib cage to move down and out,making your chest larger.
E)  While sucking it in,your diaphragm contracts and moves upward,causing the lung volume to increase.This causes the rib cage to move down and out,making your chest larger.F) A) and B)
G) D) and E)

Question 19

In an average adult,only about 1/3 of the air inhaled actually reaches the alveoli.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is an upper respiratory tract disease?

Accepted Answer

A)  pharyngitis
B)  acute bronchitis
C)  asthma
D)  pneumonia
E)  cystic fibrosisF) A) and C)
G) A) and B)

Exam 15: Respiratory System

Which of the following is an upper respiratory tract disease?

Correct AnswerverifiedShow Answer

The highest carbon dioxide concentration will be found in (or at) the

Correct AnswerverifiedShow Answer

Which of the following respiratory structures will have the least amount of cartilage and the thinnest walls?

Correct AnswerverifiedShow Answer

An infection with Mycobacterium can cause tubercles in the lungs.

Correct AnswerverifiedShow Answer

Sarah comes home from school with a horrible pressure behind her eyes.Her nose is running and she has a headache.She recently had a cold.What is Sarah most likely suffering from?

Correct AnswerverifiedShow Answer

Almost all of the disorders of the respiratory system are due to infectious diseases.Those that are not infectious are most likely inherited diseases.

Correct AnswerverifiedShow Answer

In an average adult,only about 1/3 of the air inhaled actually reaches the alveoli.

Correct AnswerverifiedShow Answer

Which portion of the respiratory tract is commonly referred to as the "throat"?

Correct AnswerverifiedShow Answer

Imagine you are trying to fit down an aisle at the local store that is filled with boxes.In order to squeeze between two stacks of boxes you need to "suck it in." Which of the following descriptions best explains why "sucking it in" isn't the best way to fit through a tight space?

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true regarding the normal mechanism of ventilation?

Correct AnswerverifiedShow Answer

Blood richest in oxygen is found in the

Correct AnswerverifiedShow Answer

The maximum volume of air that can be moved in plus the maximum volume of air that can be moved out during a single breath is the

Correct AnswerverifiedShow Answer

After the trachea,what is the next structure that air passes through?

Correct AnswerverifiedShow Answer

Oxygen is transported in blood most efficiently by

Correct AnswerverifiedShow Answer

What happens to the pH of the bloodstream if a person hypoventilates?

Correct AnswerverifiedShow Answer

Which of the following diseases make up chronic obstructive pulmonary disease (COPD) ?

Correct AnswerverifiedShow Answer

The majority of cases of lung cancer are associated with smoking.

Correct AnswerverifiedShow Answer

The symptoms of laryngitis include a severe sore throat,high fever,and white patches on the throat.

Correct AnswerverifiedShow Answer

A pressurized airplane cabin and an oxygen tent over a patient in a hospital both address the need of a person for oxygen.How do these compare?

Correct AnswerverifiedShow Answer

Phillip is breathing at approximately 40 ventilations per minute.What is the respiratory center indicating?

Correct AnswerverifiedShow Answer

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