Module 1 Final Assessment

Foundations of Aerospace Medicine

20 Questions 30 Minutes 70% to Pass

100 pts

What is the primary gas that makes up Earth's atmosphere?

A Oxygen

B Nitrogen

C Carbon Dioxide

D Hydrogen

At what altitude does atmospheric pressure drop to approximately 50% of sea level pressure?

A 10,000 feet

B 18,000 feet

C 25,000 feet

D 35,000 feet

What is hypoxia?

A Excessive oxygen in the blood

B Insufficient oxygen reaching body tissues

C High blood pressure

D Rapid heart rate

Which organization sets international standards for aviation medicine?

A WHO (World Health Organization)

B ICAO (International Civil Aviation Organization)

C IATA (International Air Transport Association)

D FAA (Federal Aviation Administration)

What is the Time of Useful Consciousness (TUC) at 25,000 feet without supplemental oxygen?

A 1-2 minutes

B 3-5 minutes

C 10-15 minutes

D 30+ minutes

The troposphere extends from sea level to approximately:

A 20,000 feet

B 36,000 feet

C 50,000 feet

D 65,000 feet

What is the normal partial pressure of oxygen at sea level?

A 760 mmHg

B 159 mmHg

C 100 mmHg

D 40 mmHg

Barotrauma most commonly affects which body part during descent?

A Eyes

B Middle ear

C Lungs

D Teeth

True or False: The physiologic zone of the atmosphere extends up to 10,000 feet.

A True

B False

Which condition is characterized by the formation of nitrogen bubbles in tissues due to rapid decompression?

A Hypoxia

B Decompression sickness (DCS)

C Hyperventilation

D Barotrauma

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