Trivia Flashcards

Which vitamin is sometimes called the 'sunshine vitamin' because the body synthesizes it upon exposure to UV-B radiation?

Answer: Vitamin D

The skin converts 7-dehydrocholesterol to vitamin D3 when exposed to UV-B sunlight, earning it the nickname 'sunshine vitamin.'

The term 'empty calories' most accurately describes foods that are high in which of the following?

Answer: Energy but low in nutrients

Empty-calorie foods provide significant energy (calories) but contribute little to no vitamins, minerals, or other essential nutrients.

Which fatty acid is classified as an omega-3 and is found abundantly in flaxseeds?

Answer: Alpha-linolenic acid (ALA)

Alpha-linolenic acid (ALA) is the plant-based omega-3 found in flaxseeds, chia seeds, and walnuts, and is an essential fatty acid.

What percentage of the human body's weight is typically composed of water in a healthy adult?

Answer: 55–65%

In a healthy adult, water accounts for approximately 55–65% of body weight, though this varies by age, sex, and body composition.

Which mineral is the primary component of tooth enamel and bone mineral?

Answer: Calcium

Calcium is the most abundant mineral in the body and is the primary structural component of both tooth enamel (as hydroxyapatite) and bone.

A client consuming 2,000 kcal/day should aim for how many grams of total fat based on the AMDR of 20–35% of calories?

Answer: 44–78 g

At 9 kcal/g, 20–35% of 2,000 kcal = 400–700 kcal from fat ÷ 9 = approximately 44–78 grams per day.

Which B vitamin acts as a coenzyme in over 100 enzyme reactions and is critical for amino acid metabolism?

Answer: Pyridoxine (B6)

Vitamin B6 (pyridoxine) is required as a coenzyme for transamination and other amino acid metabolism reactions.