8th Ed., Ch 18 Review -- Environmental Injuries and Athletics

Excess body heat can be lost in several ways. However, which of the following is the most efficient means of losing excess body heat for most exercise on dry land?

• Radiation

• Conduction

• Convection

• Evaporation

• Radiation and conduction

During exercise in hot weather, athletes need to be encouraged to drink on a regular basis. Which of the following is the best option for minimum water intake during practice?

• 2 mL every 60 minutes

• 5–7 mL/kg

• Volume determined by sweat rate

• 1.5 L/kg

• Athletes do not need to drink water during exercise

Which of the following heat-related conditions is life threatening?

• Heat stroke

• Heat rash

• Heat exhaustion

• Heat cramps

Which of the following heat stress conditions is likely present with mental confusion and possible loss of consciousness, plus severe motor disturbances and loss of coordination?

• Heat stroke

• Heat rash

• Heat exhaustion

• Heat cramps

At what relative humidity will evaporation be severely limited?

• 30%

• 40%

• 50%

• 60%

• 70%

In hot conditions, athletes need to consume up to _____ of fluids daily for every kilogram lost.

• 0.5 L

• 1 L

• 1.5 L

• 2 L

Greater than ____ body weight loss that is not recovered may affect health and performance.

• 2%

• 4%

• 6%

• 8%

• 10%

At which of the following internal temperatures will muscle shivering due to cold exposure cease?

• 87° to 90° F (30.6° to 32.2° C)

• 98.6° to 101° F (37° to 38.3° C)

• 65° to 87° F (19.4° to 30.6° C)

• 92° to 98.6° F (33.3° to 37°)

The heat-related problem known as heat stroke may involve body temperatures exceeding which of the following?

• 98.6° F (37° C)

• 104° F (40° C)

• 101° F (38.3° C)

• 115° (46.1° C)

According to NATA and ACSM, an athlete should consume approximately_____ of fluid ____ hour(s) before exercise in the heat.

• 2–4 mL/kg; 1

• 3–5 mL/kg; 2

• 5–7 mL/kg; 4

• 7–9 mL/kg; 2

• 9–11 mL/kg; 3