HOAE Nutrition 1

Question 1

Which macronutrient provides 9 calories per gram?

Accepted Answer

Fat

Answer

Fat provides 9 calories per gram, more than double the 4 calories per gram provided by carbohydrates or protein.

Question 2

Which vitamin is synthesized by the body when the skin is exposed to sunlight?

Accepted Answer

Vitamin D

Answer

Vitamin D is produced in the skin through a reaction triggered by ultraviolet B (UVB) radiation from sunlight.

Question 3

What is the primary function of carbohydrates in the body?

Accepted Answer

Providing energy

Answer

Carbohydrates are the body's preferred and primary source of energy, especially for the brain and working muscles.

Question 4

Which mineral is essential for the formation of hemoglobin in red blood cells?

Accepted Answer

Iron

Answer

Iron is a key component of hemoglobin, the protein in red blood cells that carries oxygen throughout the body.

Question 5

What type of fat is associated with raising LDL ('bad') cholesterol levels?

Accepted Answer

Saturated fat

Answer

Saturated fats, found in animal products and some tropical oils, are known to raise LDL cholesterol and increase cardiovascular disease risk.

HOAE - Health Occupations Aptitude Exam Practice Test