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040 Human Performance

040 Human Performance

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Symptoms of motion sickness may be counteracted by..

increasing head movements to maintain adequate lookout.

❌

resting one's head on the back of the seat and keeping the eyes open.

❌

fixing one's gaze on a stable, distant horizon.

✅

bending the head forward when reading maps and checklists.

❌

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Hypoxia can be caused by:

1. Malfunction of the body cells to metabolize oxygen.

2. Low partial pressure of oxygen in the atmosphere when flying at high altitudes without pressurization and

supplemental oxygen

3. A decreased saturation of oxygen in the blood due to carbon monoxide attached to the hemoglobin.

4. Alcohol abuse or chronic alcohol use.

1,2 and 3.

3 and 4.

1 and 2.

2, 3 and 4.

An illusion of obtaining greater height above ground can occur when..

flying over high terrain in good visibility.

❌

suddenly flying over small trees after prolonged flying over tall trees.

✅

decelerating at low altitude.

❌

accelerating at low altitude.

❌

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Alcohol when initially consumed causes an individual to..

speak fast and loudly.

❌

feel more relaxed.

✅

have improved vision

❌

be physically more active.

❌

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"The Bends" as a symptom of decompression sickness consists of..

Skin disorder

pain in the thorax and a cough.

❌

CNS disturbances

❌

pain in the joints.

✅

loss of peripheral vision.

❌

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Alcohol, when taken simultaneously with drugs, may..

increase the rate of alcohol elimination from the blood.

❌

intensify the effects of the drugs.

✅

show undesired effects only during night flights.

❌

compensate for side effects of drugs.

❌

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Which one of the following statement is correct for body temperature?

It varies over the course of the day and is highest early in the morning.

It is constant throughout the body.

The average body temperature is lower in people from cooler climates.

It is roughly the same for all people, if they are adapted to the place they are.

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When travelling to tropical and developing countries, what are the two diseases that can lead to incapacitation and death within a short time period when exposed?

AIDS and gonorrhea.

❌

TB and dengue.

❌

Cholera and dysentery.

✅

Heat stroke and a chlamydia.

❌

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The ability of the human eye to read alphanumeric information is..

limited to daytime using the rod cells.

almost equally shared by the entire retina.