Question 1

Pneumonia can be caused by

Accepted Answer

A)  bacteria,viruses,or fungi.
B)  viruses only.
C)  fungi only.
D)  bacteria only.E) B) and C)
F) All of the above

Question 2

The pitch of a vocal sound is controlled by changing the

Accepted Answer

A)  force of the air passing over the vocal cords.
B)  tension on the vocal cords.
C)  size of the laryngeal cartilages.
D)  shape of the laryngeal cartilages.E) A) and C)
F) B) and D)

Question 3

The organs of the upper respiratory tract are located outside the thorax.

Accepted Answer

A) True 
 B)False

Question 4

The inflation reflex is activated when stretch receptors are stimulated during inspiration.

Accepted Answer

A) True 
 B)False

Question 5

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) B) and C)
F) A) and B)

Question 6

The volume of air that enters the lungs during forced maximal inspiration is the

Accepted Answer

A)  inspiratory reserve volume.
B)  expiratory reserve volume.
C)  vital capacity.
D)  tidal volume.E) A) and D)
F) A) and C)

Question 7

During an asthma attack,the patient usually finds it most difficult to

Accepted Answer

A)  exhale.
B)  inhale.
C)  contract the respiratory muscles.
D)  expand the lungs.E) A) and C)
F) A) and B)

Question 8

A sudden inspiration caused by a spasmodic contraction of the diaphragm while the glottis is closed is a

Accepted Answer

A)  yawn.
B)  laugh.
C)  sneeze.
D)  hiccup.E) C) and D)
F) None of the above

Question 9

Bronchial asthma is usually caused by

Accepted Answer

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

Question 10

The vocal cords are in the

Accepted Answer

A)  pharynx.
B)  larynx.
C)  trachea.
D)  oral cavity.E) B) and D)
F) B) and C)

Question 11

The chloride shift

Accepted Answer

A)  maintains the ionic balance between the red blood cells and the plasmA.
B)  inflates alveoli while decreasing oxygen delivery to tissues.
C)  replaces carbonic anhydrase.
D)  regulates the amount of salt in the large intestine compared to the small intestine.E) A) and B)
F) All of the above

Question 12

The left lung is larger than the right lung and is divided into three lobes.

Accepted Answer

A) True 
 B)False

Question 13

The mucous membrane lining the nasal cavity

Accepted Answer

A)  warms incoming air.
B)  moistens incoming air.
C)  entraps dust.
D)  all of the above.E) A) and D)
F) B) and C)

Question 14

"I'm going to hold my breath until I turn blue and stop breathing and die and it will be all your fault!" shrieked the 6-year-old at her father.The child was unable to carry out her threat because

Accepted Answer

A)  she never stopped talking long enough to try to hold her breath.
B)  increased CO2 and hydrogen ion concentration and decreased oxygen concentration stimulate chemoreceptors.
C)  decreased CO2 and hydrogen ion concentration and increased oxygen concentration stimulate chemoreceptors.
D)  she could not take in enough oxygen.E) A) and B)
F) A) and C)

Question 15

Exposure to secondhand smoke increases risk of

Accepted Answer

A)  damage to the smooth endothelial lining of blood vessels.
B)  platelet activation
C)  abnormal blood clotting.
D)  all of the above.E) C) and D)
F) All of the above

Question 16

The greatest amount of carbon dioxide transported in the blood is in the form of dissolved carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 17

The partial pressure of oxygen that stimulates the respiratory areas is ___ of normal.

Accepted Answer

A)  33%
B)  50%
C)  67%
D)  80%E) All of the above
F) A) and C)

Question 18

Breathing rate increases during exercise due to

Accepted Answer

A)  signals from the cerebral cortex to the respiratory areas when it also signals skeletal muscles to contract.
B)  stimulation of the respiratory areas by decreasing blood concentration of oxygen and increasing blood concentration of carbon dioxide.
C)  a joint reflex.
D)  all of the above.E) A) and B)
F) C) and D)

Question 19

The cartilaginous structure at the base of the tongue that helps to prevent food and liquid from entering the trachea during swallowing is the ______.

Accepted Answer

The answer of The cartilaginous structure at the base of...

Question 20

Cellular respiration enables cells to harness the energy from oxygen.

Accepted Answer

A) True 
 B)False

Exam 19: Respiratory System

The greatest amount of carbon dioxide transported in the blood is in the form of dissolved carbon dioxide.

Correct AnswerverifiedShow Answer

"I'm going to hold my breath until I turn blue and stop breathing and die and it will be all your fault!" shrieked the 6-year-old at her father.The child was unable to carry out her threat because

Correct AnswerverifiedShow Answer

The cartilaginous structure at the base of the tongue that helps to prevent food and liquid from entering the trachea during swallowing is the ______.

Correct AnswerverifiedShow Answer

The pitch of a vocal sound is controlled by changing the

Correct AnswerverifiedShow Answer

Bronchial asthma is usually caused by

Correct AnswerverifiedShow Answer

The partial pressure of oxygen that stimulates the respiratory areas is ___ of normal.

Correct AnswerverifiedShow Answer

The mucous membrane lining the nasal cavity

Correct AnswerverifiedShow Answer

Exposure to secondhand smoke increases risk of

Correct AnswerverifiedShow Answer

Cellular respiration enables cells to harness the energy from oxygen.

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 volume of air that enters the lungs during forced maximal inspiration is the

Correct AnswerverifiedShow Answer

The vocal cords are in the

Correct AnswerverifiedShow Answer

The chloride shift

Correct AnswerverifiedShow Answer

The inflation reflex is activated when stretch receptors are stimulated during inspiration.

Correct AnswerverifiedShow Answer

Pneumonia can be caused by

Correct AnswerverifiedShow Answer

The organs of the upper respiratory tract are located outside the thorax.

Correct AnswerverifiedShow Answer

During an asthma attack,the patient usually finds it most difficult to

Correct AnswerverifiedShow Answer

A sudden inspiration caused by a spasmodic contraction of the diaphragm while the glottis is closed is a

Correct AnswerverifiedShow Answer

Breathing rate increases during exercise due to

Correct AnswerverifiedShow Answer

The left lung is larger than the right lung and is divided into three lobes.

Correct AnswerverifiedShow Answer

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