Question 1

Ordinary air is about 21% oxygen and 0.04% carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following proteins transports some carbon dioxide in the blood?

Accepted Answer

A)  Hemoglobin
B)  Carbonic anhydrase
C)  Heme
D)  AlbuminE) C) and D)
F) None of the above

Question 3

The bronchus and blood vessels enter a lung through the ________.

Accepted Answer

The answer of The bronchus and blood vessels enter a...

Question 4

At high altitudes, when capillary pressure becomes too high,

Accepted Answer

A)  fluid filters out of the blood and collects in the alveoli (pulmonary edema) .
B)  blood pressure decreases.
C)  breathing and heart rates decrease.
D)  blood pH increases to pathologic levels.E) C) and D)
F) B) and D)

Question 5

Peripheral receptors stimulate the respiratory areas resulting in

Accepted Answer

A)  increased respiratory rate.
B)  decreased respiratory rate.
C)  respiratory collapse.
D)  passive exhalation.E) All of the above
F) B) and D)

Question 6

Baby Timothy suffers from apnea and is hooked up to a monitor to warn his parents when he stops breathing. Timothy's dad snores very loudly. Timothy's condition differs from his father's in that infant apnea is

Accepted Answer

A)  due to airway obstruction.
B)  a result of decreased surfactant.
C)  a central problem of respiratory control.
D)  treated by strapping a device onto the nose at night.E) None of the above
F) A) and B)

Question 7

As the respiratory tube branches become smaller in diameter,

Accepted Answer

A)  they have increased cartilage.
B)  they have increased muscle fibers.
C)  the epithelial lining changes to connective tissue.
D)  the epithelial lining changes from pseudostratified ciliated columnar to cuboidal and simple squamous epithelium.E) B) and C)
F) All of the above

Question 8

The inverse relationship between pressure and volume is known as

Accepted Answer

A)  Dalton's law.
B)  Newton's law.
C)  Boyle's law.
D)  Starlings's law.E) B) and C)
F) A) and D)

Question 9

Laryngitis is a potentially dangerous condition because it may

Accepted Answer

A)  obstruct the esophagus.
B)  obstruct the airway.
C)  press on the thyroid gland.
D)  cause inner ear infection.E) A) and C)
F) All of the above

Question 10

The cells of an alveolus that secrete surfactant are type ________.

Accepted Answer

The answer of The cells of an alveolus that secrete...

Question 11

Atelectasis is

Accepted Answer

A)  a collapsed bronchial tube.
B)  a deviated septum.
C)  a collapsed lung.
D)  a shrunken liver.E) All of the above
F) A) and C)

Question 12

The visceral and parietal pleural membranes are normally held together by

Accepted Answer

A)  loose connective tissue.
B)  dense connective tissue.
C)  a thin film of serous fluid.
D)  surfactant.E) C) and D)
F) A) and C)

Question 13

In tuberculosis

Accepted Answer

A)  an obstruction blocks airflow to alveoli, which collapse, deflating part or all of a lung.
B)  a viral infection increases fluid in the lung.
C)  alveoli collapse after near-drowning.
D)  fibrous connective tissue forms around the sites of bacterial infection.E) B) and D)
F) C) and D)

Question 14

The layer of serous membrane that is firmly attached to the surface of a lung is called the ________.

Accepted Answer

The answer of The layer of serous membrane that is...

Question 15

Hyperventilation is usually accompanied by a(n)

Accepted Answer

A)  decrease in blood CO₂ concentration and a drop in pH.
B)  decrease in blood CO₂ concentration and a rise in pH.
C)  increase in blood CO₂ concentration and a drop in pH.
D)  increase in blood CO₂ concentration and a rise in pH.E) B) and D)
F) C) and D)

Question 16

One of the causes of the cancer mesothelioma is excessive lung irritation and damage by asbestos. The asbestos, once it has entered the lungs, can puncture and progressively move through the lung until it reaches the serous membrane covering the lung, known as the ________.

Accepted Answer

The answer of One of the causes of the cancer...

Question 17

Bronchial asthma is usually associated with

Accepted Answer

A)  an injury to the respiratory areas.
B)  coalescing alveoli.
C)  an allergy.
D)  paralysis of breathing muscles.E) A) and D)
F) A) and B)

Question 18

The first event in inspiration is

Accepted Answer

A)  the diaphragm moves downward and the external intercostal muscles contract.
B)  atmospheric pressure forces air into the respiratory tract.
C)  decreased intra-alveolar pressure.
D)  lung inflation.E) A) and B)
F) A) and C)

Question 19

Cancer that originates in the lungs is most likely to begin in

Accepted Answer

A)  epithelial cells.
B)  smooth muscle cells.
C)  dense connective tissue cells.
D)  hyaline cartilage cells.E) C) and D)
F) A) and B)

Question 20

Another word for breathing is ventilation.

Accepted Answer

A) True 
 B)False

Exam 19: Respiratory System

One of the causes of the cancer mesothelioma is excessive lung irritation and damage by asbestos. The asbestos, once it has entered the lungs, can puncture and progressively move through the lung until it reaches the serous membrane covering the lung, known as the ________.

Correct AnswerverifiedShow Answer

Ordinary air is about 21% oxygen and 0.04% carbon dioxide.

Correct AnswerverifiedShow Answer

The layer of serous membrane that is firmly attached to the surface of a lung is called the ________.

Correct AnswerverifiedShow Answer

Bronchial asthma is usually associated with

Correct AnswerverifiedShow Answer

Another word for breathing is ventilation.

Correct AnswerverifiedShow Answer

The cells of an alveolus that secrete surfactant are type ________.

Correct AnswerverifiedShow Answer

At high altitudes, when capillary pressure becomes too high,

Correct AnswerverifiedShow Answer

As the respiratory tube branches become smaller in diameter,

Correct AnswerverifiedShow Answer

Hyperventilation is usually accompanied by a(n)

Correct AnswerverifiedShow Answer

Peripheral receptors stimulate the respiratory areas resulting in

Correct AnswerverifiedShow Answer

In tuberculosis

Correct AnswerverifiedShow Answer

Which of the following proteins transports some carbon dioxide in the blood?

Correct AnswerverifiedShow Answer

The visceral and parietal pleural membranes are normally held together by

Correct AnswerverifiedShow Answer

The inverse relationship between pressure and volume is known as

Correct AnswerverifiedShow Answer

Atelectasis is

Correct AnswerverifiedShow Answer

The first event in inspiration is

Correct AnswerverifiedShow Answer

Laryngitis is a potentially dangerous condition because it may

Correct AnswerverifiedShow Answer

Cancer that originates in the lungs is most likely to begin in

Correct AnswerverifiedShow Answer

Baby Timothy suffers from apnea and is hooked up to a monitor to warn his parents when he stops breathing. Timothy's dad snores very loudly. Timothy's condition differs from his father's in that infant apnea is

Correct AnswerverifiedShow Answer

The bronchus and blood vessels enter a lung through the ________.

Correct AnswerverifiedShow Answer

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