Aeromedical Factors Flashcards

1
Q

How long is a 2nd class Med Certificate good for if the pilot is over 40?

A

12 months

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2
Q

The 4 forms of hypoxia

A

Hypoxic- any condition that interrupts flow of O2 into the lungs

Hypemic- any condition that interferes with the ability of blood to carry oxygen (CO poisoning)

Stagnant- any situation that interferes with normal circulation

Histoxic- any condition that interferes with the normal utilization of O2 (alcohol, narcotics)

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3
Q

What are the rods and where are they located?

A

Rods are located mainly in the periphery of the retina. An are 10,000 times more sensitive to light. Rods are used fir low light or night vision and are involved in peripheral vision.

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4
Q

What is hypoxia

A

State of oxygen deficiency

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5
Q

Eye movement during daytime collision avoidance scanning should

A

not exceed 10 degrees and view each sector for at least 1 second

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6
Q

What is Autokinesis

A

In the dark, a stationary light appears to move when stared at for many seconds.

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7
Q

Describe how the Altimeter works.

A

A stack of sealed wafers comprise the main component of the altimeter. An aneroid wafer is a sealed wafer with and internal pressure of 29.92. A linkage connects the wafer to the instrument. Expanding and contacting of wafer moves the linkage.

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8
Q

Name 2 distinct types of light sensitive cells located in the retina.

A

Rods and Cones are the light sensitive cells in the retina.

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9
Q

Effects of hypoxia

A

deterioration of night vision
impaired judgement, memory, alertness, coordination
headache, drowsiness, dizziness

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10
Q

What are the cones in the eye and what do they do?

A

Cones are located in higher concentrations in the central area or the retina.
Cones are used for day or high intensity light vision, detects detail, color and far away objects

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