DHN 101 Exam 1 Flashcards — Practice Certification Exam Newest 2025 – 2026 Updated Questions From Actual Exams Complete 150 Questions And Correct Detailed Answers (Verified Answers) |Already Graded A+||Brand New!!

DHN 101 Exam 1 Flashcards — Practice Certification
Exam Newest 2025 – 2026 Updated Questions From
Actual Exams Complete 150 Questions And Correct
Detailed Answers (Verified Answers) |Already Graded
A+||Brand New!!
1. Which nutrient provides the primary source of energy for the body during
moderate activity?
A. Protein
B. Fat
C. Carbohydrate
D. Vitamins
✔ Correct Answer: C. Carbohydrate
Explanation: Carbohydrates are the body’s preferred and most efficient
energy source, especially for brain function and moderate physical
activity.
2. A patient presents with night blindness. Which nutrient deficiency is most
likely?
A. Vitamin C
B. Vitamin A
C. Vitamin D
D. Vitamin K
✔ Correct Answer: B. Vitamin A
Explanation: Vitamin A is essential for vision, particularly in low-light
conditions; deficiency leads to night blindness.
3. Which macronutrient is primarily responsible for tissue growth and repair?
A. Carbohydrates
B. Lipids
C. Proteins
D. Minerals

, ✔ Correct Answer: C. Proteins
Explanation: Proteins supply amino acids necessary for building and
repairing body tissues.
4. Which dietary guideline emphasizes consuming a variety of nutrient-dense
foods?
A. MyPlate
B. Keto Diet
C. Paleo Diet
D. Intermittent Fasting
✔ Correct Answer: A. MyPlate
Explanation: MyPlate promotes balanced eating with a variety of food
groups for optimal nutrition.
5. A case study shows a patient with scurvy. Which deficiency is indicated?
A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Iron
✔ Correct Answer: C. Vitamin C
Explanation: Vitamin C deficiency leads to scurvy, characterized by
bleeding gums and poor wound healing.
6. Which mineral is essential for oxygen transport in the blood?
A. Calcium
B. Iron
C. Sodium
D. Potassium
✔ Correct Answer: B. Iron
Explanation: Iron is a key component of hemoglobin, which carries oxygen
in red blood cells.
7. What is the main function of dietary fiber?
A. Provide energy

, B. Aid digestion
C. Build muscle
D. Store fat
✔ Correct Answer: B. Aid digestion
Explanation: Fiber supports digestive health and promotes regular bowel
movements.
8. Which nutrient is fat-soluble?
A. Vitamin B
B. Vitamin C
C. Vitamin D
D. Vitamin B12
✔ Correct Answer: C. Vitamin D
Explanation: Vitamin D is fat-soluble and stored in body fat for later use.
9. A diet high in saturated fat increases risk of:
A. Osteoporosis
B. Heart disease
C. Anemia
D. Diabetes Type 1
✔ Correct Answer: B. Heart disease
Explanation: High saturated fat intake is linked to elevated cholesterol and
cardiovascular disease.
10.Which organ is primarily responsible for detoxification?
A. Heart
B. Liver
C. Kidney
D. Lungs
✔ Correct Answer: B. Liver
Explanation: The liver processes toxins and metabolizes nutrients.
11.Which vitamin aids calcium absorption?
A. Vitamin A

, B. Vitamin D
C. Vitamin C
D. Vitamin K
✔ Correct Answer: B. Vitamin D
Explanation: Vitamin D enhances intestinal absorption of calcium.
12.A deficiency in iodine leads to:
A. Goiter
B. Anemia
C. Scurvy
D. Rickets
✔ Correct Answer: A. Goiter
Explanation: Iodine deficiency causes thyroid enlargement known as
goiter.
13.Which macronutrient yields 9 kcal per gram?
A. Protein
B. Carbohydrates
C. Fat
D. Fiber
✔ Correct Answer: C. Fat
Explanation: Fat is the most energy-dense macronutrient at 9 kcal per
gram.
14.Which nutrient is essential for blood clotting?
A. Vitamin C
B. Vitamin K
C. Vitamin D
D. Iron
✔ Correct Answer: B. Vitamin K
Explanation: Vitamin K plays a critical role in coagulation processes.
15.Which condition results from vitamin D deficiency in children?
A. Scurvy