proctored exam review & practice pack |
therapeutic dietS, clinical nutrition Support,
enteral & parenteral Feeding, vitamin & mineral
deFiciencieS, weight management, ngn-Style
QueStionS, rationaleS & ati teSting SucceSS guide
, Question 1: What is the primary function of carbohydrates in the diet?
A. Provide vitamins and minerals
B. Serve as the main source of energy
C. Support tissue repair
D. Regulate body temperature
Correct Option: B. Serve as the main source of energy
Rationale:
Carbohydrates are the body's most accessible source of energy. They are broken down
into glucose, which is used to power bodily functions and physical activity. While other
macronutrients like fats and proteins serve important roles, carbohydrates remain the
primary focus for quick energy.
Question 2: Which vitamin is essential for proper blood clotting?
A. Vitamin A
B. Vitamin C
C. Vitamin K
D. Vitamin D
Correct Option: C. Vitamin K
Rationale:
Vitamin K is crucial for the synthesis of certain proteins that are needed for blood
coagulation (clotting) and for the regulation of calcium in the blood. Without adequate
vitamin K, there is an increased risk of uncontrolled bleeding.
Question 3: A nurse is educating a patient about dietary fiber. Which of the
following statements is true?
A. Fiber is only found in animal products.
B. Fiber can help regulate blood sugar levels.
C. It is recommended to consume less fiber as one ages.
D. Dietary fiber has no effect on cholesterol levels.
Correct Option: B. Fiber can help regulate blood sugar levels.
Rationale:
Dietary fiber, particularly soluble fiber, helps slow the absorption of sugar and can
improve blood sugar levels. This regulation is essential for managing diabetes and
reducing the risk of insulin resistance.
Question 4: Which of the following foods is the best source of omega-3 fatty acids?