Private Pilot - Medical Facts Flashcards

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1
Q

What is Hypoxia?

A

Hypoxia is a state of oxygen deficiency in the body sufficient to impair functions of the brain and other organs.

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2
Q

What 4 types of Hypoxia are there?

A

Hypoxic, Stagnant, Hypemic, and Toxic.

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3
Q

What are the symptoms of Hypoxia?

A

Impaired judgment, vision, memory, alertness, and coordination. Headache, drowsiness, dizziness, euphoria, cyanosis, and numbness.

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4
Q

What actions should you take if Hypoxia symptoms are present while in flight?

A

Reduce altitude, and use supplemental oxygen.

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5
Q

What is Sinus Block?

A

Air pressure in the sinuses equalize through small openings in the nasal passages during altitude changes.
Either an upper respiratory infection, such as a cold or sinusitis, or a nasal allergic condition can produce enough congestion around an opening to slow equalization, and as the difference in pressure between the sinus and cabin mounts, eventually, plug the opening.

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6
Q

How can you prevent Sinus Block?

A

Don’t fly with an upper respiratory infection or nasal allergies.

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7
Q

What is Hyperventilation?

A

Hyperventilation is the excessive rate and depth of restoration leading to abnormal loss of carbon dioxide from the blood.

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8
Q

What are the symptoms of Hyperventilation?

A

Visual impairment, unconsciousness, lightheaded/dizziness, muscle spasms, tingling, and hot and cold sensations.

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9
Q

How should you treat Hyperventilation?

A

Restore proper carbon dioxide level to the body, by breathing at a normal rate; you can do this my breathing into a paper bag or talking aloud.

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10
Q

What is spatial disorientation?

A

is the lack of orientation with regard to the position, attitude, or movement of the airplane in space.

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11
Q

What systems do the body use to recognize movement through space and orientation?

A

Vestibular, Somatosensory, and Visual.

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12
Q

What is the illusion, False Horizon consist of?

A

When a sloping cloud formation, ground lights, or stars create a false line that appears to be the horizon, and a pilot attempts to align with the false horizon.

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13
Q

What is Autokinesis?

A

when flying in the dark, a stationary light may appear to move if it is stared at for a prolonged period of time, which may cause the pilot to align or fly with the perceived moving light.

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14
Q

At night it is possible to see a reversible perspective illusion, what is that?

A

when an aircraft seems to be moving away from a second aircraft when it is actually approaching it.

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15
Q

Hypoxic Hypoxia

A

Insufficient oxygen available to the body as a whole.

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16
Q

Hypemic Hypoxia

A

Occurs when blood is not able to take up and transport a sufficient amount of oxygen to the cells in the body
- most common form is CO poisoning
- more likely to happen when have a blood disorder like anemia

17
Q

Stagnant Hypoxia

A

Results when oxygen rich blood in the lungs is not moving to the parts of the body that needs it
- common numbness or loss of feeling like a leg or arm falling asleep

18
Q

Histotoxic Hypoxia

A

Inability of the cells to use oxygen effectively
- caused by drugs and alcohol poisoning