Question 1

The form of hemoglobin with iron in a reduced state and bonded to carbon monoxide is

Accepted Answer

A) oxyhemoglobin. 
B) deoxyhemoglobin. 
C) methemoglobin. 
D) carboxyhemoglobin. 
A) oxyhemoglobin. 
B) deoxyhemoglobin. 
C) methemoglobin. 
D) carboxyhemoglobin.

Question 2

The ventilation/perfusion ratio

Accepted Answer

A) is lowest at the apex of the lungs. 
B) increases when blood flow is decreased. 
C) decreases when ventilation is increased. 
D) increases due to dilation of the pulmonary arterioles. 
A) is lowest at the apex of the lungs. 
B) increases when blood flow is decreased. 
C) decreases when ventilation is increased. 
D) increases due to dilation of the pulmonary arterioles.

Question 3

The parietal pleura covers the surface of the lungs.

Accepted Answer

A) True 
 B)False

Question 4

Measurements of arterial PCO2 are used to assess lung function.

Accepted Answer

A) True 
 B)False

Question 5

The primary drive to breath is elicited by which of the following:

Accepted Answer

A) reduced PO2. 
B) reduced PCO2. 
C) increased PO2. 
D) increased PCO2. 
A) reduced PO2. 
B) reduced PCO2. 
C) increased PO2. 
D) increased PCO2.

Question 6

The affinity of hemoglobin for oxygen is __________ as the partial pressure of oxygen is raised.

Accepted Answer

A) increased 
B) decreased 
C) unchanged 
A) increased 
B) decreased 
C) unchanged

Question 7

Pulmonary arterioles _____ and system arterioles _____ when PO2 is low.

Accepted Answer

A) dilate,dilate 
B) dilate,constrict 
C) constrict,dilate 
D) constrict,constrict 
A) dilate,dilate 
B) dilate,constrict 
C) constrict,dilate 
D) constrict,constrict

Question 8

An individual with a pneumothorax would have air in the pleural space.

Accepted Answer

A) True 
 B)False

Question 9

Central chemoreceptors in the medulla oblongata directly detect changes in the pH of the

Accepted Answer

A) blood. 
B) cerebrospinal fluid. 
C) lymph. 
D) air. 
A) blood. 
B) cerebrospinal fluid. 
C) lymph. 
D) air.

Question 10

An oxygen electrode will measure the amount of free oxygen in the plasma and the amount of oxygen bonded to hemoglobin.

Accepted Answer

A) True 
 B)False

Question 11

Respiratory acidosis results from hyperventilation.

Accepted Answer

A) True 
 B)False

Question 12

Asthmatics will have decreased amounts of histamine,leukotrienes,and cytokines during an attack.

Accepted Answer

A) True 
 B)False

Question 13

Peripheral chemoreceptors that can detect changes in blood pH are located in the

Accepted Answer

A) medulla oblongatA. 
B) aortic and carotid bodies. 
C) pons. 
D) lungs. 
A) medulla oblongatA. 
B) aortic and carotid bodies. 
C) pons. 
D) lungs.

Question 14

What is the normal value of arterial percent hemoglobin saturation?

Accepted Answer

A) 100% 
B) 97% 
C) 90% 
D) 86% 
A) 100% 
B) 97% 
C) 90% 
D) 86%

Question 15

What drug that is used as a treatment for asthma,promotes bronchodilation by selectively stimulating beta2-adrenergic receptors?

Accepted Answer

A) Singular 
B) Albuterol 
C) Terbutaline 
D) Epinephrine 
A) Singular 
B) Albuterol 
C) Terbutaline 
D) Epinephrine

Question 16

What can be used to treat carbon monoxide poisoning and gangrene?

Accepted Answer

A) hypoventilation 
B) blood letting 
C) hyperbaric oxygen therapy 
D) carbon dioxide therapy 
A) hypoventilation 
B) blood letting 
C) hyperbaric oxygen therapy 
D) carbon dioxide therapy

Question 17

The enzyme ______ catalyzes the formation of H2CO3 from CO2 and water.

Accepted Answer

A) renin 
B) nitric oxide synthase 
C) lactate dehydrogenase 
D) carbonic anhydrase 
A) renin 
B) nitric oxide synthase 
C) lactate dehydrogenase 
D) carbonic anhydrase

Question 18

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

Question 19

What is the condition of having low blood oxygen levels?

Accepted Answer

A) hypocapnia 
B) hypercapnia 
C) hypoxia 
D) hypoxemia 
A) hypocapnia 
B) hypercapnia 
C) hypoxia 
D) hypoxemia

Question 20

Blood pH decreases over time during moderate to heavy exercise.

Accepted Answer

A) True 
 B)False

The form of hemoglobin with iron in a reduced state and bonded to carbon monoxide is

The ventilation/perfusion ratio

The parietal pleura covers the surface of the lungs.

Measurements of arterial P_CO2 are used to assess lung function.

The primary drive to breath is elicited by which of the following:

The affinity of hemoglobin for oxygen is __________ as the partial pressure of oxygen is raised.

Pulmonary arterioles _ and system arterioles _ when P_O2 is low.

An individual with a pneumothorax would have air in the pleural space.

Central chemoreceptors in the medulla oblongata directly detect changes in the pH of the

An oxygen electrode will measure the amount of free oxygen in the plasma and the amount of oxygen bonded to hemoglobin.

Respiratory acidosis results from hyperventilation.

Asthmatics will have decreased amounts of histamine,leukotrienes,and cytokines during an attack.

Peripheral chemoreceptors that can detect changes in blood pH are located in the

What is the normal value of arterial percent hemoglobin saturation?

What drug that is used as a treatment for asthma,promotes bronchodilation by selectively stimulating beta₂-adrenergic receptors?

What can be used to treat carbon monoxide poisoning and gangrene?

The enzyme ______ catalyzes the formation of H₂CO₃ from CO₂ and water.

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

What is the condition of having low blood oxygen levels?

Blood pH decreases over time during moderate to heavy exercise.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

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Exam 16: Respiratory Physiology

The form of hemoglobin with iron in a reduced state and bonded to carbon monoxide is

The ventilation/perfusion ratio

The parietal pleura covers the surface of the lungs.

Measurements of arterial PCO2 are used to assess lung function.

The primary drive to breath is elicited by which of the following:

The affinity of hemoglobin for oxygen is __________ as the partial pressure of oxygen is raised.

Pulmonary arterioles _____ and system arterioles _____ when PO2 is low.

An individual with a pneumothorax would have air in the pleural space.

Central chemoreceptors in the medulla oblongata directly detect changes in the pH of the

An oxygen electrode will measure the amount of free oxygen in the plasma and the amount of oxygen bonded to hemoglobin.

Respiratory acidosis results from hyperventilation.

Asthmatics will have decreased amounts of histamine,leukotrienes,and cytokines during an attack.

Peripheral chemoreceptors that can detect changes in blood pH are located in the

What is the normal value of arterial percent hemoglobin saturation?

What drug that is used as a treatment for asthma,promotes bronchodilation by selectively stimulating beta2-adrenergic receptors?

What can be used to treat carbon monoxide poisoning and gangrene?

The enzyme ______ catalyzes the formation of H2CO3 from CO2 and water.

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

What is the condition of having low blood oxygen levels?

Blood pH decreases over time during moderate to heavy exercise.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Measurements of arterial P_CO2 are used to assess lung function.

Pulmonary arterioles _ and system arterioles _ when P_O2 is low.

What drug that is used as a treatment for asthma,promotes bronchodilation by selectively stimulating beta₂-adrenergic receptors?

The enzyme ______ catalyzes the formation of H₂CO₃ from CO₂ and water.