Exam 2: NR224 NR 224 Latest

Exam 2: NR224 / NR 224 (Latest

Update 2025 / 2026) Fundamentals:

Skills | Questions and Answers | Grade A | 100% Correct – Chamberlain

Question:

Water

Answer:

Cell function depends on a fluid environment. Water makes up 60% to 70% of total body weight. Lean people have a greater percent of total body water than obese people do because muscle contains more water than any other tissue except blood.

Question:

Describe signs and symptoms of dehydration?

Answer:

Thirst, dry or sticky mouth, not peeing very much, dark yellow pee, dry, cool skin, headache, and muscle cramps.

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Question:

How would you educate a client about dehydration?

Answer:

• Tell them to look out for the signs and symptoms of dehydration
• To prevent dehydration, drink plenty of fluids, enough so that your urine is

light yellow or clear like water. Choose water and other caffeine-free clear liquids until you feel better.

• If you do not feel like eating or drinking, try taking small sips of water,

sports drinks or other rehydration drinks.

• Get plenty of rest.
• During hot weather, drink more fluids. Drink even more fluids if you

exercise a lot. Stay away from drinks with alcohol or caffeine

Question:

Vitamins

Answer:

Organic substances present in small amounts in foods that are essential to normal metabolism. They are chemicals that act as catalysts in biochemical reactions. The body is unable to synthesize vitamins in the required amounts; vitamin synthesis depends on dietary intake

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Question:

Fat Soluble Vitamins

Answer:

include vitamins A, D, E, K and are stored in the fatty compartments of the body.

• All except vitamin D are acquired through dietary intake
• Toxicity is possible (hypervitaminosis) results from mega doses of

supplemental vitamins

Question:

water soluble vitamins

Answer:

include vitamin C and B complex (8 vitamins). The body does not store these vitamins and thus we need them to be provided in the diet. They absorb easily through the GI tract. toxicity can still occur

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Question:

Minerals

Answer:

Inorganic elements essential to the body as catalysts in biochemical reactions.They are classified as macrominerals when the daily requirement is 100 mg or more or as trace elements when less than 100 mg is needed daily.

-Macrominerals help to balance the pH of the body.

-Silicon, vanadium, nickel, tin, cadmium, arsenic, aluminum, and cadmium play an unidentified role in nutrition. Arsenic, aluminum, and cadmium have toxic effects.

Question:

Digestion

Answer:

the mechanical breakdown that results from chewing, churning, and mixing with fluid and chemical reactions in which food reduces to its simplest form.

-Enzymes are catalysts -Mechanical, chemical and hormonal

• Begins in mouth

-Major part of digestion occurs in the small intestine

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