Question 1

Under certain conditions, the vocal folds act as a sphincter that prevents air passage.

Accepted Answer

A) True 
 B)False

Question 2

The larynx contains _.

Accepted Answer

A)   a cricoid cartilage also called the Adam's apple
B)   lateral cartilage ridges called false vocal folds
C)   the thyroid cartilage
D)   an upper pair of avascular mucosal folds called true vocal foldsE) B) and D)
F) B) and C)

Question 3

Respiratory control centers are located in the .

Accepted Answer

A)   midbrain and medulla
B)   pons and midbrain
C)   upper spinal cord and medulla
D)   medulla and ponsE) A) and C)
F) B) and D)

Question 4

Which of the following is not an event necessary to supply the body with O2 and dispose of CO2?

Accepted Answer

A)   external respiration
B)   blood pH adjustment
C)   internal respiration
D)   pulmonary ventilationE) A) and D)
F) B) and C)

Question 5

Figure 22.1Using Figure 22.1, match the following:
-Main (primary) bronchus.

Accepted Answer

The answer of  Figure 22.1Using Figure 22.1, match the...

Question 6

Which of the following is not possible?

Accepted Answer

A)   The amount of gas flowing in and out of the alveoli is directly proportional to the difference in pressure or pressure gradient between the external atmosphere and the alveoli.
B)   Pressure gradient equals gas flow over resistance.
C)   Resistance equals pressure gradient over gas flow.
D)   Gas flow equals pressure gradient over resistance.E) B) and C)
F) A) and B)

Question 7

The lungs are perfused by two circulations: the pulmonary and the bronchial. The pulmonary circulation is for oxygenation of blood. The bronchial circulation supplies blood to the lung structures (tissue).

Accepted Answer

A) True 
 B)False

Question 8

The relationship between gas pressure and gas volume is described by .

Accepted Answer

A)   Dalton's law
B)   Boyle's law
C)   Charles' law
D)   Henry's lawE) A) and C)
F) All of the above

Question 9

Which of the disorders below is characterized by destruction of the walls of the alveoli producing abnormally large air spaces that remain filled with air during exhalation?

Accepted Answer

A)   coryza
B)   tuberculosis
C)   emphysema
D)   pneumoniaE) C) and D)
F) B) and D)

Question 10

Define anatomical dead space. What is the relationship between anatomical and alveolar dead space? Which value is likely to increase during lung pathology?

Accepted Answer

Anatomical dead space is the space in th...

Question 11

Which of the following statements is incorrect?

Accepted Answer

A)   The chest wall becomes more rigid with age.
B)   During fetal life, lungs are filled with fluid.
C)   Respiratory rate is lowest in newborn infants.
D)   Descent of the diaphragm results in abdominal breathing.E) All of the above
F) A) and C)

Question 12

How will the lungs compensate for an acute rise in the partial pressure of CO2 in arterial blood?

Accepted Answer

Respirator...

Question 13

Tracheal obstruction is life threatening.

Accepted Answer

A) True 
 B)False

Question 14

A patient with tuberculosis is often noncompliant with treatment. Explain why this may happen.

Accepted Answer

Noncompliance may occur because of the l...

Question 15

Complete the following statement using the choices below. Air moves out of the lungs when the pressure inside the lungs is .

Accepted Answer

A)   greater than the intra- alveolar pressure
B)   equal to the pressure in the atmosphere
C)   less than the pressure in the atmosphere
D)   greater than the pressure in the atmosphereE) A) and B)
F) B) and C)

Question 16

Jane had been suffering through a severe cold and was complaining of a frontal headache and a dull, aching pain at the side of her face. What regions are likely to become sites of secondary infection following nasal infection?

Accepted Answer

Following nasal infe...

Question 17

Which of the following counteracts the movement of bicarbonate ions from the RBC?

Accepted Answer

A)   the Haldane effect
B)   release of hydrogen ion
C)   chloride shifting
D)   the Bohr effectE) None of the above
F) A) and D)

Question 18

Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by
)

Accepted Answer

A)   diffusion
B)   filtration
C)   active transport
D)   osmosisE) None of the above
F) A) and B)

Question 19

In the plasma, the quantity of oxygen in solution is .

Accepted Answer

A)   not present except where it is combined with carrier molecules
B)   greater than the oxygen combined with hemoglobin
C)   about equal to the oxygen combined with hemoglobin
D)   only about 1.5% of the oxygen carried in bloodE) A) and B)
F) C) and D)

Question 20

Strong emotions and pain acting through the limbic system activate sympathetic centers in the hypothalamus, thus modulating respiratory rate and depth by sending signals to the respiratory centers.

Accepted Answer

A) True 
 B)False

Exam 22: The Respiratory System

How will the lungs compensate for an acute rise in the partial pressure of CO2 in arterial blood?

Correct AnswerverifiedRespirator...View AnswerShow Answer

The larynx contains _.

Correct AnswerverifiedShow Answer

Strong emotions and pain acting through the limbic system activate sympathetic centers in the hypothalamus, thus modulating respiratory rate and depth by sending signals to the respiratory centers.

Correct AnswerverifiedShow Answer

Complete the following statement using the choices below. Air moves out of the lungs when the pressure inside the lungs is .

Correct AnswerverifiedShow Answer

Which of the disorders below is characterized by destruction of the walls of the alveoli producing abnormally large air spaces that remain filled with air during exhalation?

Correct AnswerverifiedShow Answer

Under certain conditions, the vocal folds act as a sphincter that prevents air passage.

Correct AnswerverifiedShow Answer

Which of the following counteracts the movement of bicarbonate ions from the RBC?

Correct AnswerverifiedShow Answer

Which of the following is not possible?

Correct AnswerverifiedShow Answer

Which of the following is not an event necessary to supply the body with O2 and dispose of CO2?

Correct AnswerverifiedShow Answer

Define anatomical dead space. What is the relationship between anatomical and alveolar dead space? Which value is likely to increase during lung pathology?

Correct AnswerverifiedAnatomical dead space is the space in th...View AnswerShow Answer

The relationship between gas pressure and gas volume is described by .

Correct AnswerverifiedShow Answer

Which of the following statements is incorrect?

Correct AnswerverifiedShow Answer

Tracheal obstruction is life threatening.

Correct AnswerverifiedShow Answer

The lungs are perfused by two circulations: the pulmonary and the bronchial. The pulmonary circulation is for oxygenation of blood. The bronchial circulation supplies blood to the lung structures (tissue).

Correct AnswerverifiedShow Answer

In the plasma, the quantity of oxygen in solution is .

Correct AnswerverifiedShow Answer

Figure 22.1Using Figure 22.1, match the following: -Main (primary) bronchus.

Correct AnswerverifiedShow Answer

Jane had been suffering through a severe cold and was complaining of a frontal headache and a dull, aching pain at the side of her face. What regions are likely to become sites of secondary infection following nasal infection?

Correct AnswerverifiedFollowing nasal infe...View AnswerShow Answer

Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by )

Correct AnswerverifiedShow Answer

Respiratory control centers are located in the .

Correct AnswerverifiedShow Answer

A patient with tuberculosis is often noncompliant with treatment. Explain why this may happen.

Correct AnswerverifiedNoncompliance may occur because of the l...View AnswerShow Answer

How will the lungs compensate for an acute rise in the partial pressure of CO₂ in arterial blood?

Correct Answer
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Which of the following is not an event necessary to supply the body with O₂ and dispose of CO₂?

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Anatomical dead space is the space in th...
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Following nasal infe...
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Correct Answer
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Noncompliance may occur because of the l...
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