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1. Malfunction of the body cells to metabolize oxygen.

Hypoxia can be caused by:

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.

2, 3 and 4.

3 and 4.

1 and 2.

1,2 and 3.

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

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

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

It is constant throughout the body.

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

Alcohol, when taken simultaneously with drugs, may..

show undesired effects only during night flights.

increase the rate of alcohol elimination from the blood.

intensify the effects of the drugs.

compensate for side effects of drugs.

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

loss of peripheral vision.

CNS disturbances

pain in the joints.

Skin disorder

pain in the thorax and a cough.

Perceptional illusions are:

normal and can be prevented by trusting instrument read-out.

abnormal and indicate weakness in one or more of the senses.

never caused by the brain's ability to distort normal sense inputs.

usually not serious except in bad weather.

In the event of a fire, which of the following aircraft component parts or liquids when burnt may give off toxic fumes?

1. Hydraulic fluids

2. Fire extinguishers made of steel

3. Furnishing and trimming materials

4. Anti-icing fluids

3 only.

1, 2 and 3.

1,3 and 4.

1 and 3.

Which parts of the inner ear's vestibular apparatus sense the different kinds of motion of the human body?

The semicircular canals detect angular acceleration, whereas the otolith organs detect linear acceleration

and gravity.

The otolith organs detect angular acceleration, whereas the semicircular canals detect linear acceleration but

not gravity

The otolith organs sense motion around the roll, pitch and yaw axes, whereas the semicircular canals detect

linear acceleration and gravity

The semicircular canals sense motion around the roll, pitch and yaw axes, whereas the otolith organs detect

angular acceleration and gravity.

the rate of breathing which may lead to hyperventilation. Hyperventilation will cause a reduction in the (1) _ level in

A stressful situation during flight (such as a flight control problem during weather avoidance) may cause an increase in

the body, and may lead to (2) ..

(1) carbon dioxide; (2) a false sense of euphoria

(1) oxygen; (2) a false sense of euphoria

(1) carbon dioxide; (2) unconsciousness

(1) oxygen; (2) unconsciousness

Which of the following could cause conductive deafness?

Significant wear on the cochlear hair cells.

Presbycusis.

Damage to the auditory nerve.

A cerumen blockage in the ear canal.

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