TD 38

Question 1

Hypoxia results when the body \_\_\_\_. It generally is associated with flights at high altitude. However other factors such as \_\_\_\_\_ abuse, heavy \_\_\_\_, and various \_\_\_\_\_\_ can interfere with the bloods ability to \_\_\_\_ and \_\_\_\_ oxygen, thereby reducing the body’s tolerance to hypoxia. The four major types of hypoxia are:
1
2
3
4

Answer 1

lacks oxygen, alcohol, smoking, carry, absorb

Hypoxic
Hypemic
Stagnant
Histotoxic

Question 2

The four stages of hypoxic hypoxia and associated altitudes are:
A
B
C
D

Answer 2

Indifferent 0 to 10,000
Compensatory 10,000 to 15,000
Disturbance 15,000 to 20,000
Critical 20,000

Question 3

A smoker at sea level is actually at a physiological altitude of ___ feet compared to a non-smoker

Answer 3

5,000

Question 4

List three prevention methods for hypoxic hypoxia

Answer 4

Limiting time at altitude
Using supplemental oxygen
Pressurizing the cabin

Question 5

To help prevent or relieve middle ear discomfort associated with changes in altitude, crewmembers can equalize pressure during descent by ____, ____, or _____. If these methods do not work, personnel can perform the _____ maneuver. To do this, ____ the mouth, ____the nose shut, tilt the head upwards and ____ sharply

Answer 5

Swallowing, yawning, tensing the throat muscles

Valsalva, close, pinch, blow

Question 6

If the middle ear discomfort is not relieved by action in the previous answer, you should ____ to a level at which pressure can be _____. A slow ____ is then recommended.

Answer 6

Ascend, Equalized, descent