Registered Dietitian Nutritionist Cheat Sheet 2026

The 30 highest-yield Registered Dietitian Nutritionist facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the recommended dietary intervention for managing gastroesophageal reflux disease (GERD)? → Avoid trigger foods and eat smaller, more frequent meals
2. When a person has a body mass index of 28, they are: → Overweight
3. How does continuous improvement apply to Registered Dietitian Nutritionist quality management? → It involves ongoing incremental enhancements to processes based on data and feedback
4. A Triene:Tetraene ratio greater than 0.4 in a PN patient indicates: → Essential fatty acid deficiency (EFAD)
5. The best vegetables for preventing cancer are those that contain thiols. There are thiols in: → The cabbage family
6. Which cooking method is best for beef cuts like stew beef, short ribs, chuck steak, or beef round? → Braising
7. What is the standard caloric density of most isotonic enteral formulas? → 1.0 kcal/mL
8. Elemental or semi-elemental enteral formulas are most appropriate for patients with: → Impaired digestion or absorption such as short bowel syndrome or pancreatitis
9. Which monitoring parameters best reflect SHORT-TERM protein status and adequacy in a PN patient? → Prealbumin (transthyretin) and nitrogen balance
10. Which is the most common IMMEDIATE mechanical complication of central venous catheter insertion for PN? → Pneumothorax
11. What is a key limitation of using BMI (Body Mass Index) in nutrition assessment? → It cannot distinguish between fat mass and lean muscle mass
12. The transport protein for vitamin A is which of the following? → Transthyretin
13. Which laboratory test should be monitored most frequently when initiating parenteral nutrition to assess metabolic tolerance? → Blood glucose
14. Which intervention is most effective in preventing parenteral nutrition-associated liver disease (PNALD)? → Cycling PN (off 10–12 hours/day) and using fish oil-containing lipid emulsions
15. Which dietary assessment method is most susceptible to recall bias? → Food frequency questionnaire (FFQ)
16. How do Registered Dietitian Nutritionist professionals establish measurable quality objectives? → By defining specific, measurable, achievable, relevant, and time-bound quality targets
17. Which supplement might a patient who has had their stomach removed need? → B12
18. One main application of the IDNT is: → Record nutritional care in the patient's medical file.
19. Which enteral feeding route is preferred for short-term nutrition support expected to last fewer than 4–6 weeks? → Nasogastric (NG) tube
20. Which vitamin must be administered before initiating refeeding to prevent Wernicke's encephalopathy? → Thiamine (Vitamin B1)
21. You may learn more about the frequency of nutrition-related health issues in the following: → NHANES III
22. Which vitamin deficiency is most commonly associated with long-term use of proton pump inhibitors (PPIs)? → Vitamin B12
23. What is the preferred first-line nutritional intervention for acute pancreatitis in patients who can tolerate feeding? → Early oral or nasoenteric nutrition within 24–48 hours
24. A well-written nutritional diagnostic statement in the NCPM is everything but: → A related to observations by interdisciplinary team
25. How does a Registered Dietitian Nutritionist professional communicate risks to stakeholders? → By presenting risks clearly with context, potential impacts, and recommended actions
26. A patient with type 2 diabetes mellitus might potentially benefit from all of the following therapies, with the exception of: → Chromium supplementation
27. What is the recommended protein intake range for critically ill ICU patients? → 1.2–2.0 g/kg/day
28. Why is documentation important in Registered Dietitian Nutritionist risk management? → It creates an audit trail, supports decision-making, and demonstrates due diligence
29. Which of the following measurements should be used to determine the degree of iron shortage in an anemic patient? → Serum ferritin
30. The process of decreasing or removing unnecessary costs without sacrificing the quality of a product or service is known as: → Value analysis