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TC 3-04.93 Aeromedical Training For Flight Personnel: Questions With Complete Solutions
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TC 3-04.93 Aeromedical Training For Flight Personnel: Questions With Complete Solutions
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TC 3-04.93 Aeromedical Training For Flight Personnel:Questions With Complete Solutions
Definition of Hypoxia Right Ans - Hypoxia is defined as the state of O2
deficiency in the blood cells and tissues significant enough to cause
impairment of function.
Types of hypoxia Right Ans - Hypoxic
Hypemic
Stagnant
Histotoxic
Definition of Hypoxic Hypoxia Right Ans - Occurs when there is not enough
O2 in the air or when decreasing atmospheric pressure prevents diffusion of
O2 from the lungs to the bloodstream.
Definition of Hypemic Hypoxia Right Ans - Hypemic, or anemic hypoxia is
caused by a reduction in blood's O2-carrying capacity. Anemia and blood loss
are the most common types of this type of hypoxia.
Definition of Stagnant Hypoxia Right Ans - Blood's O2-carrying capacity is
adequate but circulation is inadequate. Blood vessels are compressed and not
enough blood is reaching the tissues. Conditions such as heart failure, arterial
spasm, and blood Bessel occlusion predispose affected individuals to stagnant
hypoxia.
Definition of Histotoxic Hypoxia Right Ans - Results from interference with
the use of O2 by body tissues. Alcohol, narcotics, or poison such as cyanide can
poison the tissues inhibiting it from using available O2.
Stages of Hypoxia Right Ans - Indifferent
Compensatory
Disturbance
Critical
Describe the oxygen saturation level, altitude and symptoms associate with
the indifferent stage. Right Ans - 98%-90% oxygen saturation
0-10,000 feet
, Decreased night vision at 4,000 feet MSL
Describe the oxygen saturation level, altitude and symptoms associate with
the compensatory stage. Right Ans - 89%-80% oxygen saturation
10,000-15,000 feet
Drowsiness, poor judgment, impaired coordination and efficiency
Describe the oxygen saturation level, altitude and symptoms associate with
the disturbance stage. Right Ans - 79%-70% oxygen saturation
15,000-20,000 feet
Impaired flight control, handwriting, speech, vision, intellectual function, and
judgement, decreased coordination, memory, and sensation to pain
Describe the oxygen saturation level, altitude and symptoms associated with
the critical stage. Right Ans - 69%-60% oxygen saturation
20,000 feet and above
Circulatory and central nervous system failure, convulsions, cardiovascular
collapse, death
Prevention of Hypoxia Right Ans - Limit time at altitude
Use supplemental oxygen
Pressurize the cabin
Define Hyperventilation Right Ans - An excessive rate and depth of
respiration that leads to an abnormal loss of CO2 from blood that can lead to
changes in the body's acid base balance resulting in negative side-effects.
Define Stress Right Ans - Stress is the nonspecific response of the body to
any demand. It can also be thought of as the rate of wear and tear on the body.
Name the types of stress Right Ans - Psychosocial
Environmental
Physiological
Cognitive
Types of psychosocial stressors Right Ans - Job Stress
Illness
Family Issues
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