Registered Dietetic Technician Test Registered Dietetic Technician Test Nutrition Therapy & Medical Nutrition 2

Question 1

Which nutrient is specifically restricted in patients with phenylketonuria (PKU)?

Accepted Answer

Phenylalanine

Answer

PKU is an inborn error of metabolism where the enzyme phenylalanine hydroxylase is deficient, requiring strict phenylalanine restriction.

Question 2

The Mifflin-St Jeor equation is used to calculate which nutritional value?

Accepted Answer

Resting metabolic rate

Answer

The Mifflin-St Jeor equation estimates resting metabolic rate (RMR) based on height, weight, age, and sex.

Question 3

Which oral supplement is first-line for a patient with iron deficiency anemia who can tolerate oral feeding?

Accepted Answer

Ferrous sulfate oral

Answer

Ferrous sulfate taken orally is the standard first-line treatment for iron deficiency anemia in patients who can tolerate oral intake.

Question 4

A patient post-gastric bypass surgery is at highest risk for deficiency in which nutrient?

Accepted Answer

Vitamin B12

Answer

Gastric bypass reduces intrinsic factor production and bypasses the stomach, significantly impairing vitamin B12 absorption.

Question 5

Which condition indicates the need for a fluid restriction in a hospitalized patient?

Accepted Answer

Congestive heart failure

Answer

Congestive heart failure impairs the heart's ability to manage fluid volume, requiring restriction to prevent fluid overload and edema.

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