Question 1

A condition that will cause anemic hypoxia is:

Accepted Answer

A)  cyanide poisoning. 
B) decreased cardiac output or heart failure. 
C) polycythemia. 
D) carbon monoxide poisoning. 
A)  cyanide poisoning. 
B) decreased cardiac output or heart failure. 
C) polycythemia. 
D) carbon monoxide poisoning. D

Question 2

Oxygen consumption:
1) increases with exercise.
2) is the amount of oxygen used by the body.
3) is inversely related to carbon dioxide production.
4) is about 250 mL/min in the resting adult.

Accepted Answer

A) 1, 2 
B) 3, 4 
C) 2, 4 
D) 1, 2, 4 
A) 1, 2 
B) 3, 4 
C) 2, 4 
D) 1, 2, 4 D

Question 3

Your patient has been exposed to carbon monoxide during a house fire. How should the patient's PaO2 value be interpreted?

Accepted Answer

A)  Accurate oxygenation reading 
B) Higher than actual oxygenation reading 
C) False normal oxygenation reading 
D) It should match the CO2 value. 
A)  Accurate oxygenation reading 
B) Higher than actual oxygenation reading 
C) False normal oxygenation reading 
D) It should match the CO2 value. C

Question 4

Your patient has a chronic respiratory disorder and vasoconstriction of her pulmonary vascular system. What is the chief control over this vasoconstriction?

Accepted Answer

A)  Low PAO2 
B) Low PaO2 
C) High PaCO2 
D) High pH 
A)  Low PAO2 
B) Low PaO2 
C) High PaCO2 
D) High pH

Question 5

A person's C(a-v)O2 increases in all of the following situations EXCEPT:

Accepted Answer

A)  seizures. 
B) peripheral shunting. 
C) hyperthermia. 
D) exercise. 
A)  seizures. 
B) peripheral shunting. 
C) hyperthermia. 
D) exercise.

Question 6

A sample of blood has been taken from a patient's pulmonary artery. What mixed venous oxygen saturation value (SvO2) would indicate that the patient is normal?

Accepted Answer

A)  40 mm Hg 
B) 95 mm Hg 
C) 75% 
D) 97% 
A)  40 mm Hg 
B) 95 mm Hg 
C) 75% 
D) 97%

Question 7

When a sample of arterial blood is analyzed for the pressure of oxygen (PaO2) and carbon dioxide (PaCO2) the value comes from the:

Accepted Answer

A)  blood plasma. 
B) leukocytes. 
C) hemoglobin. 
D) erythrocytes. 
A)  blood plasma. 
B) leukocytes. 
C) hemoglobin. 
D) erythrocytes.

Question 8

A condition that will cause hypoxic hypoxia is:

Accepted Answer

A)  cyanosis. 
B) decreased cardiac output or heart failure. 
C) hypoventilation from an overdose of a sedative medication. 
D) carbon monoxide poisoning. 
A)  cyanosis. 
B) decreased cardiac output or heart failure. 
C) hypoventilation from an overdose of a sedative medication. 
D) carbon monoxide poisoning.

Question 9

An increased cardiac output causes the:
1) C(a-v)O2 to decrease.
2) SvO2 to increase.
3) Total O2 delivery to decrease.
4) O2ER to increase.

Accepted Answer

A) 1 
B) 2, 3 
C) 3, 4 
D) 1, 2 
A) 1 
B) 2, 3 
C) 3, 4 
D) 1, 2

Question 10

Polycythemia:
1) is a condition of too many red blood cells.
2) is a condition of too few red blood cells.
3) is caused by lack of iron in the diet.
4) is the body's response to chronic hypoxemia.

Accepted Answer

A) 1, 2 
B) 2, 3 
C) 1, 4 
D) 2, 4 
A) 1, 2 
B) 2, 3 
C) 1, 4 
D) 2, 4

Exam 5: Oxygenation Assessments

A condition that will cause anemic hypoxia is:

Oxygen consumption: 1) increases with exercise. 2) is the amount of oxygen used by the body. 3) is inversely related to carbon dioxide production. 4) is about 250 mL/min in the resting adult.

Your patient has been exposed to carbon monoxide during a house fire. How should the patient's PaO2 value be interpreted?

Your patient has a chronic respiratory disorder and vasoconstriction of her pulmonary vascular system. What is the chief control over this vasoconstriction?

A person's C(a-v)O2 increases in all of the following situations EXCEPT:

A sample of blood has been taken from a patient's pulmonary artery. What mixed venous oxygen saturation value (SvO2) would indicate that the patient is normal?

When a sample of arterial blood is analyzed for the pressure of oxygen (PaO2) and carbon dioxide (PaCO2) the value comes from the:

A condition that will cause hypoxic hypoxia is:

An increased cardiac output causes the: 1) C(a-v)O2 to decrease. 2) SvO2 to increase. 3) Total O2 delivery to decrease. 4) O2ER to increase.

Polycythemia: 1) is a condition of too many red blood cells. 2) is a condition of too few red blood cells. 3) is caused by lack of iron in the diet. 4) is the body's response to chronic hypoxemia.

The Patient Interview

The Physical Examination and Its Basis in Physiology

Pulmonary Function Study Assessments

Arterial Blood Gas Assessments

Cardiovascular System Assessments

Radiologic Examination of the Chest

Other Important Tests and Procedures

The Therapist-Driven Protocol Program and the Role of the Respiratory Care Practitioner

Recording Skills: the Basis for Data Collection, Organization, Assessment Skills, and Treatment Plans

Chronic Obstructive Pulmonary Disease Copd: Chronic Bronchitis, and Emphysema

Asthma

Bronchiectasis

Cystic Fibrosis

Pneumonia

Lung Abscess

Tuberculosis

Fungal Diseases of the Lung

Pulmonary Edema

Pulmonary Embolism

Flail Chest

Pneumothorax

Effusion and Empyema

Kyphoscoliosis

Interstitial Lung Diseases

Cancer of the Lung

Acute Respiratory Distress Syndrome

Guillain-Barré Syndrome

Myasthenia Gravis

Sleep Apnea

Newborn and Early Childhood Respiratory Disorders

Meconium Aspiration Syndrome

Transient Tachypnea of the Newborn

Respiratory Distress Syndrome

Pulmonary Air Leak Syndromes

Respiratory Syncytial Virus Infection Bronchiolitis or Pneumonitis

Bronchopulmonary Dysplasia

Congenital Diaphragmatic Hernia

Croup Syndrome: Laryngotracheobronchitis and Acute Epiglottitis

Near Drowning

Smoke Inhalation and Thermal Injuries

Postoperative Atelectasis

Filters

Your patient has been exposed to carbon monoxide during a house fire. How should the patient's PaO₂ value be interpreted?

A person's C(a-v)O₂ increases in all of the following situations EXCEPT:

A sample of blood has been taken from a patient's pulmonary artery. What mixed venous oxygen saturation value (SvO₂) would indicate that the patient is normal?

When a sample of arterial blood is analyzed for the pressure of oxygen (PaO₂) and carbon dioxide (PaCO₂) the value comes from the:

An increased cardiac output causes the: 1) C(a-v)O₂ to decrease. 2) SvO₂ to increase. 3) Total O₂ delivery to decrease. 4) O₂ER to increase.