Aeromedical Factors

Question 1

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

Answer 1

12 months

Question 2

The 4 forms of hypoxia

Answer 2

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)

Question 3

What are the rods and where are they located?

Answer 3

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.

Question 4

What is hypoxia

Answer 4

State of oxygen deficiency

Question 5

Eye movement during daytime collision avoidance scanning should

Answer 5

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

Question 6

What is Autokinesis

Answer 6

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

Question 7

Describe how the Altimeter works.

Answer 7

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.

Question 8

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

Answer 8

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

Question 9

Effects of hypoxia

Answer 9

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

Question 10

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

Answer 10

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