Free Registered Dietitian Questions and Answers

Question 1

What is an isotonic enteral formula's osmolality?

Accepted Answer

300 mOsm/kg

Answer

An isotonic solution has an osmolality similar to that of body fluids, typically around 300 mOsm/kg. Enteral formulas are designed to be isotonic to minimize gastrointestinal side effects like diarrhea, which can occur if the formula is too hypertonic (higher osmolality) and draws excessive water into the gut lumen. Maintaining isotonicity helps ensure better tolerance and absorption.

Question 2

For students in grades K through 5, how many servings of red/orange veggies must be provided each week to qualify as a reimbursable lunch under the National School Lunch Program?

Accepted Answer

Three-quarter cup

Answer

The National School Lunch Program (NSLP) sets specific meal pattern requirements to ensure children receive nutritious meals. For students in grades K-5, the weekly requirement for the 'red/orange' vegetable subgroup is 3/4 cup. This ensures a variety of nutrient-rich vegetables are offered to students, contributing to their overall dietary health.

Question 3

An RDN has already finished assessing the nutritional needs of the community, established program goals and objectives, and created a program plan. What comes after this in the process?

Accepted Answer

Define the management system.

Answer

Once the initial planning stages (community needs assessment, goal setting, program design) are complete, establishing a clear management system is crucial for effective program implementation. This involves defining roles, responsibilities, organizational structure, and operational procedures to ensure the program runs smoothly and efficiently towards its objectives. It sets the framework for execution.

Question 4

What can be utilized as a clinical biomarker of endogenous insulin synthesis since it is secreted in the bloodstream in quantities comparable to insulin secretion?

Accepted Answer

C-peptide

Answer

C-peptide is a byproduct of insulin production in the pancreas. When proinsulin is cleaved to form insulin, C-peptide is released in equimolar amounts. Unlike insulin, C-peptide is not significantly extracted by the liver, making its levels in the bloodstream a reliable indicator of the body's own (endogenous) insulin secretion, particularly useful in differentiating types of diabetes or assessing residual beta-cell function.

Question 5

Which of the following statements regarding fish poisoning from ciguatera and scombroid is true?

Accepted Answer

Cooking and chilling properly do not eliminate the poison.

Answer

Ciguatera and scombroid fish poisonings are caused by toxins that are heat-stable and cold-stable. This means that typical cooking methods (like boiling, frying, baking) and freezing will not destroy the toxins once they are present in the fish. Therefore, prevention relies on avoiding contaminated fish rather than relying on preparation methods to neutralize the poison.

Registered Dietitian Nutritionist Practice Test

Registered Dietitian Nutritionist Practice Test

Free Registered Dietitian Questions and Answers