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Thursday, July 28, 2011

Survival

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When disaster strikes in sizzling heat, key skills could keep you alive. Are you prepared?

1. On average, what time of day is the hottest?

A) 9 a.m.-11 a.m. B) 11 a.m.-1 p.m. C} 1 p.m.-3 p.m. D) 3 p.m.-6 p.m.

2. Fill in the blank Carbonated soft drinks are not good Liquids for rehydration because they contain too much__and not enough__.

3. True/false Drinking when you get thirsty will keep you hydrated.

4. Match the cooling tactic with its heat-transfer method.

TACTIC

1) Resting on coot ground

2) Wearing loose clothing

3) Seeking shade

4) Sweating

BENEFIT



A) Radiation: Heat dissipates directly into environment with no solar absorption.

B) Evaporation: Conversion to gas moves heat away from skin

C) Convection: Air moving between layers transfers heat.

B} Conduction: Heat moves from warm to cool surface.

5. True/false Close-fitting clothing keeps you cooler by enhancing moisture transfer,

[ILLUSTRATION OMITTED]

6. During a strenuous hike in a hot climate, you should drink about __Liters of water per hour.

A) 1/4 to 1/2 B) 1/2 to 1 C)1 to 1.5 D) 2 to 3

7. True/false It's possible to acclimatize to an extremely hot environment.

8. Fill in the blank Essential desert hiking gear includes sunglasses, tight-colored clothing, sunblock, plenty of water, a bandanna, and a

9. Which symptoms indicate heat exhaustion and which indicate

A) Minor confusion

B) Extreme confusion

C) Irrational behavior

D) Rapid, weak pulse

E) Weakness

F) Dizziness

G) Unconsciousness

H) Shock

I) Vomiting

J) Nausea

K) Diarrhea'

L) Shortness of breath

M) Headache

N) Red skin rash on chest

10. You're feeling hot, sweaty, and dizzy. In addition to drinking more, you should eat__.

A) Beef jerky B) Protein bar C) Nothing

D) Trail mix with salted peanuts

11. True/false When you feel overheated, you should stop, rest, and eat a big meat.

12. Fill in the blank You forgot sunblock. Quick, rub __ on your exposed skin to boost your protection.

13. After a hot afternoon hike, you feel sharp pains in your legs and stomach. You have

A) Heat exhaustion

B) Heat edema

C) Heat cramps

D) Prickly heat

14, According to the heat index, which calculates temperature and humidity, an 85[degrees]F day with 80 percent humidity feels like:

A) 85[degrees]F B) 88[degrees]F C) 97[degrees]F D)101[degrees]F

l5. One day to go, and only one liter left. You should...

A) Sip regularly to keep thirst at bay.

B) Gulp infrequently.

ANSWER KEY I. D; the delay between maximum sun exposure (at noon) and the highest daily temperatures is called the thermal response. 2. Sugar; salt 3. False; satiating only Immediate thirst does not completely replace fluids lost in hot, humid, strenuous, and/or high-altitude environments. 4. ]/D, 2/C, 3/A, 4/B 5. False; loose-fitting clothing encourages more airflow, cooling the skin through convection 8.C; drinking plenty of cool water before and during exercise-and eating salty foods to replace lost electrolytes--will keep you hydrated. 7. True; after 8 to 10 days, your body will learn to sweat efficiently (decreasing electrolyte loss), boost kidney function, allowing you to excrete less salt, and dissipate heat better, promoting convection and radiation. 8. Full-brim hat g. Heat exhaustion: A, C, D, E, F, J, K, M; heat stroke: B, E, F, G, H, I, J, L, N. 10. D; salty foods replace electrolytes. 11. False; food digestion increases metabolism and raises your core body temperature. 12. Charcoal. or ashes from a burnt Log or fire 13.C; excessive salt toss can cause temporary muscle cramps. Massage the muscles and increase salt intake. 14. C; 97[degrees]F 15. B; drink infrequently but deeply. Sips won't rehydrate your organs, where water is needed most.

NUMBER OF CORRECT ANSWERS You could survive with ... 13-15: your bare hands; 9-12: a knife; 5-8: a SPOT: 0-4: a guide.

Source Citation
"Survival." Backpacker Aug. 2011: 35. Gale Power Search. Web. 28 July 2011.
Document URL
http://go.galegroup.com/ps/i.do?&id=GALE%7CA261318572&v=2.1&u=22054_acld&it=r&p=GPS&sw=w

Gale Document Number: GALE|A261318572

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