Chapter 10

Question 1

What is the composition of body fluids?

Answer 1

Consist of water (50–70% of the body), electrolytes, and solutes.

Question 2

Function of body fluids

Answer 2

Transporting oxygen and nutrients
Regulating body temperature
Lubricating tissues
Removing waste

Question 3

What are the body fluid compartments?

Answer 3

Intracellular Fluid (ICF), Extracellular Fluid (ECF)

Question 4

Intracellular Fluid (ICF)

Answer 4

Inside cells; high in potassium (K⁺) and protein, low in sodium (Na⁺) and chloride (Cl⁻).

Question 5

Extracellular Fluid (ECF)

Answer 5

Outside cells; includes interstitial fluid, lymph, and blood plasma. High in sodium and chloride, low in potassium.

Question 6

How does the body maintain fluid balance?

Answer 6

Gain, Loss, and Regulation

Question 7

Gain

Answer 7

Through beverages, food, and metabolic water (10–14% daily needs).

Question 8

Loss

Answer 8

Via urine, sweat, breathing, and feces.

Question 9

Regulation

Answer 9

Thirst mechanism, Antidiuretic Hormone (ADH), and the renin-angiotensin-aldosterone system.

Question 10

Why do Canadians use bottled water, and what are the safety standards?

Answer 10

Canadians prefer bottled water for better taste and perceived safety

Question 11

what are the safety standards for Bottled Water?

Answer 11

Regulations ensure it meets quality standards, though environmental concerns about plastic use remain.

Question 12

What nutrients act as electrolytes?

Answer 12

Sodium (Na⁺), Potassium (K⁺), Chloride (Cl⁻), Calcium (Ca²⁺), and Magnesium (Mg²⁺).