NUFT 204 Exam #1 Questions With Complete Solutions

NUFT 204 Exam #1 Questions With Complete Solutions
 Course

 NUFT 204

Question 1

Which of the following is the primary source of energy for the human body?

 A. Protein

 B. Fats

 C. Carbohydrates

 D. Vitamins

Answer: C. Carbohydrates

Rationale: Carbohydrates are the body's main source of energy. They are broken down into glucose,
which is used by the body's cells for energy, especially during high-intensity exercise.



Question 2

What is the recommended dietary allowance (RDA) for protein for an adult male?

 A. 46 grams

 B. 56 grams

 C. 65 grams

 D. 75 grams

Answer: B. 56 grams

Rationale: The RDA for protein for adult men is 56 grams per day, based on a reference of 0.8 grams
of protein per kilogram of body weight.



Question 3

Which vitamin is essential for calcium absorption in the body?

 A. Vitamin A

 B. Vitamin B12

 C. Vitamin C

 D. Vitamin D

Answer: D. Vitamin D

Rationale: Vitamin D is crucial for calcium absorption in the intestines and helps maintain proper
levels of calcium and phosphate in the body, which are necessary for healthy bones.

,Question 4

Which of the following minerals is most important for oxygen transport in the blood?

 A. Calcium

 B. Iron

 C. Magnesium

 D. Potassium

Answer: B. Iron

Rationale: Iron is a key component of hemoglobin, the protein in red blood cells responsible for
transporting oxygen from the lungs to the rest of the body.



Question 5

What is the primary purpose of dietary fiber in the diet?

 A. To provide energy

 B. To aid digestion and promote regularity

 C. To build muscle

 D. To support immune function

Answer: B. To aid digestion and promote regularity

Rationale: Dietary fiber is essential for digestive health as it helps to regulate bowel movements and
can prevent constipation. It also supports a healthy gut microbiome.



Question 6

What is the role of antioxidants in the diet?

 A. They provide energy.

 B. They help prevent cellular damage.

 C. They aid in protein synthesis.

 D. They are necessary for hormone production.

Answer: B. They help prevent cellular damage.

Rationale: Antioxidants neutralize free radicals, which can cause oxidative stress and damage cells,
potentially leading to chronic diseases. Common antioxidants include vitamins C and E, and
selenium.

,Question 7

Which of the following dietary fats is considered healthy and beneficial for heart health?

 A. Saturated fats

 B. Trans fats

 C. Monounsaturated fats

 D. Hydrogenated fats

Answer: C. Monounsaturated fats

Rationale: Monounsaturated fats, found in foods like olive oil, avocados, and nuts, can help reduce
bad cholesterol levels and provide heart health benefits when consumed in moderation.



Question 8

What is the recommended percentage of total daily calories that should come from
carbohydrates?

 A. 10-20%

 B. 45-65%

 C. 20-35%

 D. 25-40%

Answer: B. 45-65%

Rationale: The Dietary Guidelines for Americans recommend that 45-65% of total daily calories
should come from carbohydrates to provide adequate energy and nutrients for optimal health.



Question 9

Which nutrient is primarily responsible for muscle repair and growth?

 A. Carbohydrates

 B. Fats

 C. Proteins

 D. Vitamins

Answer: C. Proteins

Rationale: Proteins are essential for building and repairing tissues, including muscles. They provide
amino acids necessary for muscle repair after exercise.



Question 10

, Which of the following is a consequence of excessive sodium intake?

 A. Increased calcium absorption

 B. Hypertension

 C. Decreased risk of stroke

 D. Improved hydration

Answer: B. Hypertension

Rationale: Excessive sodium intake is linked to high blood pressure (hypertension), which can lead to
an increased risk of cardiovascular diseases.

Question 11

What is the primary function of carbohydrates in the body?

 A. Energy production

 B. Hormone synthesis

 C. Tissue repair

 D. Immune response

Answer: A. Energy production

Rationale: Carbohydrates are the body's primary source of energy, providing fuel for physical activity
and the basic metabolic processes.



Question 12

Which type of dietary fat is most likely to raise LDL cholesterol levels?

 A. Polyunsaturated fats

 B. Monounsaturated fats

 C. Saturated fats

 D. Omega-3 fatty acids

Answer: C. Saturated fats

Rationale: Saturated fats can increase LDL cholesterol levels in the blood, which is associated with a
higher risk of heart disease.



Question 13

What is a good source of omega-3 fatty acids?

 A. Chicken

 B. Olive oil