Altitude

What is the definition of pressure?

• The force applied parallel to the surface of an object per unit area.

• The force applied perpendicular to the surface of an object per unit area.

• The weight of an object divided by its volume.

• The speed of an object in a given direction.

What is the average barometric pressure at sea level commonly cited as?

• 10.1 pounds per square inch (PSI)

• 12.5 pounds per square inch (PSI)

• 14.7 pounds per square inch (PSI)

• 16.3 pounds per square inch (PSI)

What does partial pressure refer to?

• The total pressure exerted by all gases in a mixture.

• The pressure exerted by an individual gas in a mixture of gases.

• The pressure exerted by a liquid in a container.

• The pressure exerted by solids in a mixture.

What happens to atmospheric pressure as altitude increases?

• It increases

• It decreases

• It remains the same

• It fluctuates randomly

How does a decrease in air density at altitude affect high-speed movements?

• It offers more resistance

• It offers less resistance

• It has no effect

• It stops movement completely

What is one effect of altitude on sprint performances?

• They are negatively affected

• They are not affected or improve

• They are always improved

• They are always hindered

What is the altitude range for sea level?

• 0 to 500 m

• 500 to 2000 m

• 2000 to 3000 m

• 3000 to 4000 m

Which altitude range is associated with no effects on well-being?

• Sea level (0 to 500 m)

• Low altitude (500 to 2000 m)

• Moderate altitude (2000 to 3000 m)

• High altitude (3000 to 4000 m)

At which altitude range does mountain sickness start to occur?

• Sea level (0 to 500 m)

• Low altitude (500 to 2000 m)

• Moderate altitude (2000 to 3000 m)

• High altitude (3000 to 4000 m)

What is a characteristic of moderate altitude (2000 to 3000 m)?

• No adverse effects

• Performance may be decreased, but easily restored by acclimation

• Risk for adverse effects if not acclimated

• No effects on well-being