Aeromedical Questions with 100%
Correct Answers
Hypoxia
Definition Correct Answer: Hypoxia results when the body lacks oxygen.
Types of Hypoxia Correct Answer: 1. Hypoxic
2. Hypemic
3. Histotoxic
4. Stagnant
Hypoxic Hypoxia Correct Answer: Definition:
When there is not enough oxygen in the air / When decreasing atmospheric
pressure prevents diffusion of oxygen from the lungs into the bloodstream.
Causes:
High Altitudes - due to lack of PO2 in the atmosphere (most common cause of
hypoxia encountered by aviators)
Hypemic Hypoxia Correct Answer: Definition:
A reduction in blood's oxygen carrying capacity
, Causes:
Anemia, Blood Loss, Carbon Monoxide (Cigarettes), NItrates, Sulfa Drugs
Stagnant Hypoxia Correct Answer: Definition:
Inadequate circulation of blood
Causes:
Extreme G Forces, Heart Failure, Arterial Spasm, Blood Vessel Occlusion
Histotoxic Hypoxia Correct Answer: Definition:
An interference with the use of oxygen by body tissues
Causes:
Alcohol, Narcotics, Poisons such as Cyanide
Signs of Hypoxia
(Objective) Correct Answer: 1. Hyperventilation
2. Cyanosis
3. Mental Confusion
4. Poor Judgment
Correct Answers
Hypoxia
Definition Correct Answer: Hypoxia results when the body lacks oxygen.
Types of Hypoxia Correct Answer: 1. Hypoxic
2. Hypemic
3. Histotoxic
4. Stagnant
Hypoxic Hypoxia Correct Answer: Definition:
When there is not enough oxygen in the air / When decreasing atmospheric
pressure prevents diffusion of oxygen from the lungs into the bloodstream.
Causes:
High Altitudes - due to lack of PO2 in the atmosphere (most common cause of
hypoxia encountered by aviators)
Hypemic Hypoxia Correct Answer: Definition:
A reduction in blood's oxygen carrying capacity
, Causes:
Anemia, Blood Loss, Carbon Monoxide (Cigarettes), NItrates, Sulfa Drugs
Stagnant Hypoxia Correct Answer: Definition:
Inadequate circulation of blood
Causes:
Extreme G Forces, Heart Failure, Arterial Spasm, Blood Vessel Occlusion
Histotoxic Hypoxia Correct Answer: Definition:
An interference with the use of oxygen by body tissues
Causes:
Alcohol, Narcotics, Poisons such as Cyanide
Signs of Hypoxia
(Objective) Correct Answer: 1. Hyperventilation
2. Cyanosis
3. Mental Confusion
4. Poor Judgment