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Dehydration

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Questions and Answers

What is a hallmark of dehydration according to the text?

Thirst and neurological changes (correct)

High blood pressure and polyuria

Increased appetite and confusion

Excessive sweating and pale fingernails

What can a 5-8% decrease in total body water cause?

Fatigue and dizziness (correct)

Confusion and unexplained tiredness

Excessive thirst and increased appetite

High blood pressure and nausea

What is a potential consequence of chronic dehydration according to the text?

Decreased risk of kidney problems

Formation of kidney stones (correct)

Development of chronic fatigue syndrome

Increased risk of heart disease

What distinguishes dehydration from hypovolemia according to the text?

Dehydration can cause hypernatremia Signup and view all the answers

At what percentage of total body water loss does death occur according to the text?

Between 15 and 25% Signup and view all the answers

What are the symptoms of moderate hypothermia?

Shivering stops and confusion increases Signup and view all the answers

What is a common cause of hypothermia besides exposure to cold weather?

Alcohol intoxication Signup and view all the answers

How is hypothermia diagnosed?

Based on a person's symptoms in the presence of risk factors Signup and view all the answers

What is the recommended treatment for mild hypothermia?

Warm drinks, warm clothing, and voluntary physical activity Signup and view all the answers

What is paradoxical undressing associated with in severe hypothermia?

Increased risk of the heart stopping Signup and view all the answers

Study Notes

Dehydration

A hallmark of dehydration is excessive thirst.
A 5-8% decrease in total body water can cause impaired physical performance.
Chronic dehydration can lead to kidney stones as a potential consequence.
Dehydration is distinguished from hypovolemia by the loss of water and electrolytes, whereas hypovolemia is a loss of blood volume.

Hypothermia

Death occurs when 12-15% of total body water is lost.
Symptoms of moderate hypothermia include confusion, disorientation, and stumbling.
A common cause of hypothermia besides exposure to cold weather is prolonged immersion in water.
Hypothermia is diagnosed by a low body temperature, typically below 95°F (35°C).
The recommended treatment for mild hypothermia is to remove wet clothing and provide warm, dry clothing and a warm drink.
Paradoxical undressing, where a person removes their clothing, is associated with severe hypothermia.

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Description

Test your knowledge on dehydration and its effects on the body with this informative quiz. Learn about the causes and risks of dehydration, including exercise, disease, and high temperatures. Explore how immersion diuresis can impact divers and the potential for decompression sickness.