Question 1

What type of hemoglobin cannot bind to 2,3-DPG and thus has a higher affinity for oxygen?

Accepted Answer

A)  hemoglobin F
B)  hemoglobin A
C)  hemoglobin B
D)  hemoglobin GE) A) and B)
F) None of the above

Question 2

The amount of a given gas dissolved in the blood

Accepted Answer

A)  is directly proportional to the partial pressure of the gas.
B)  increases at higher altitudes.
C)  is described primarily by Boyle's law.
D)  All of the choices are correct.E) A) and B)
F) A) and D)

Question 3

The majority of carbon dioxide is transported in the blood as

Accepted Answer

A)  dissolved carbon dioxide in the blood.
B)  bicarbonate ion.
C)  carbaminohemoglobin.
D)  carboxyhemoglobin.E) All of the above
F) A) and B)

Question 4

What instrument is used to measure the percent oxyhemoglobin saturation of the blood?

Accepted Answer

A)  sphygmomanometer
B)  spirometer
C)  pulse oximeter
D)  stethoscopeE) B) and D)
F) None of the above

Question 5

What type of receptors in the wall of the larynx,along with rapidly adapting receptors in the lungs,cause a person to cough in response to components of smoke and smog?

Accepted Answer

A)  aortic bodies
B)  pulmonary stretch receptors
C)  medullary chemoreceptors
D)  irritant receptorsE) A) and C)
F) A) and B)

Question 6

Cessation of breathing is known as

Accepted Answer

A)  apneA.
B)  dyspnea.
C)  eupnea.
D)  pneumothorax.E) A) and B)
F) None of the above A

Question 7

Myoglobin binds to more oxygen molecules than hemoglobin.

Accepted Answer

A) True 
 B)False

Question 8

Hemoglobin F

Accepted Answer

A)  has a lower affinity for oxygen than hemoglobin A.
B)  contains two alpha and two gamma chains.
C)  binds large amounts of 2,3-DPG.
D)  is increased in sickle-cell anemia.E) B) and D)
F) B) and C)

Question 9

Forced (deep) inspiration occurs with the contraction of the

Accepted Answer

A)  erectus abdominis.
B)  scalenes.
C)  internal intercostals.
D)  parasternal intercostals.E) None of the above
F) All of the above B

Question 10

Carbon monoxide is lethal because it

Accepted Answer

A)  reduces CO2 and slows breathing.
B)  increases CO2 and causes seizures.
C)  binds hemoglobin preventing oxygen binding.
D)  increases oxygen unloading at the cells.E) C) and D)
F) A) and B)

Question 11

What is the condition of having low blood oxygen levels?

Accepted Answer

A)  hypocapnia
B)  hypercapnia
C)  hypoxia
D)  hypoxemiaE) A) and D)
F) B) and D)

Question 12

Which of the following will decrease the affinity of hemoglobin for oxygen?

Accepted Answer

A)  decreased pH,decreased temperature,or decreased 2,3-DPG
B)  decreased pH,increased temperature,or increased 2,3-DPG
C)  increased pH,increased temperature,or decreased 2,3-DPG
D)  increased pH,decreased temperature,or increased 2,3-DPGE) C) and D)
F) None of the above

Question 13

The production of hemoglobin and red blood cells in bone marrow is controlled by a hormone called thymopoietin.

Accepted Answer

A) True 
 B)False  False

Question 14

From the following lab data,predict whether the patient has

Accepted Answer

1.acidosis or alkalosis
2.resp...

Question 15

Ventilation would be decreased by decreasing the activity of

Accepted Answer

A)  type II alveolar cells.
B)  type I alveolar cells.
C)  alveolar macrophages.
D)  None of the choices are correct.E) A) and B)
F) C) and D)

Question 16

A family of hemoglobin diseases found primarily in people of Mediterranean ancestry is

Accepted Answer

A)  thalassemiA.
B)  sickle-cell anemia.
C)  myoglobinemia.
D)  leukemia.E) A) and B)
F) B) and D)

Question 17

The I neurons of the dorsal respiratory group stimulate the

Accepted Answer

A)  sympathetic nervous system.
B)  phrenic nerve.
C)  vagus nerve.
D)  parasympathetic nervous system.E) A) and D)
F) B) and C)

Question 18

Which of the following is NOT a function of the conducting zone?

Accepted Answer

A)  gas exchange
B)  filtering and cleaning the air
C)  warming and humidifying the air
D)  All of the choices are functions.E) A) and C)
F) None of the above

Question 19

Pulmonary fibrosis may be caused by

Accepted Answer

A)  smoking.
B)  allergic reactions.
C)  breathing in coal dust.
D)  increased mucus production.E) C) and D)
F) A) and B)

Question 20

The direct role of blood oxygen levels in controlling respiration is called

Accepted Answer

A)  hypoxic drive.
B)  hypocapnia.
C)  oxygen perfusion.
D)  acidosis.E) A) and B)
F) A) and C)

Exam 16: Respiratory Physiology

What type of hemoglobin cannot bind to 2,3-DPG and thus has a higher affinity for oxygen?

Correct AnswerverifiedShow Answer

The amount of a given gas dissolved in the blood

Correct AnswerverifiedShow Answer

The majority of carbon dioxide is transported in the blood as

Correct AnswerverifiedShow Answer

What instrument is used to measure the percent oxyhemoglobin saturation of the blood?

Correct AnswerverifiedShow Answer

What type of receptors in the wall of the larynx,along with rapidly adapting receptors in the lungs,cause a person to cough in response to components of smoke and smog?

Correct AnswerverifiedShow Answer

Cessation of breathing is known as

Correct AnswerverifiedA

Myoglobin binds to more oxygen molecules than hemoglobin.

Correct AnswerverifiedShow Answer

Hemoglobin F

Correct AnswerverifiedShow Answer

Forced (deep) inspiration occurs with the contraction of the

Correct AnswerverifiedB

Carbon monoxide is lethal because it

Correct AnswerverifiedShow Answer

What is the condition of having low blood oxygen levels?

Correct AnswerverifiedShow Answer

Which of the following will decrease the affinity of hemoglobin for oxygen?

Correct AnswerverifiedShow Answer

The production of hemoglobin and red blood cells in bone marrow is controlled by a hormone called thymopoietin.

Correct AnswerverifiedFalse

From the following lab data,predict whether the patient has

Correct Answerverified1.acidosis or alkalosis2.resp...View AnswerShow Answer

Ventilation would be decreased by decreasing the activity of

Correct AnswerverifiedShow Answer

A family of hemoglobin diseases found primarily in people of Mediterranean ancestry is

Correct AnswerverifiedShow Answer

The I neurons of the dorsal respiratory group stimulate the

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of the conducting zone?

Correct AnswerverifiedShow Answer

Pulmonary fibrosis may be caused by

Correct AnswerverifiedShow Answer

The direct role of blood oxygen levels in controlling respiration is called

Correct AnswerverifiedShow Answer

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A

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B

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False

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1.acidosis or alkalosis
2.resp...
View Answer

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