CN Cheat Sheet 2026

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

1. Which pathogen is commonly transmitted through raw shellfish from contaminated waters? → Vibrio
2. What is the first step in the risk management process for Certified Nutritionist? → Identifying potential risks and hazards
3. Where does the majority of nutrient absorption occur? → Small intestine
4. What is the recommended carbohydrate intake range for endurance athletes during training days? → 6–10 g/kg body weight
5. In an emergency at a private practice, which document should staff consult for step-by-step response roles and evacuation routes? → The facility's written emergency action plan
6. A patient taking warfarin needs dietary counseling. Which assessment detail is most important to document? → Consistency of vitamin K–rich food intake
7. A negative nitrogen balance indicates: → Protein breakdown exceeds intake
8. A certified nutritionist documents client outcomes systematically to compare them against established benchmarks. This process is best described as what? → Quality assurance auditing
9. Which principle underpins Total Quality Management (TQM) in Certified Nutritionist? → Everyone in the organization is responsible for quality
10. What is the correct hands-only CPR compression depth for an average adult? → At least 2 inches (5 cm)
11. Which dietary pattern has the strongest evidence for lowering blood pressure in hypertensive patients? → DASH diet
12. Angular cheilitis and glossitis found on physical examination most commonly suggest a deficiency of which nutrient group? → B vitamins such as riboflavin and B12
13. What does PPE stand for in the context of Certified Nutritionist safety protocols? → Personal Protective Equipment
14. What dietary guidance should be given to pregnant women regarding fish consumption? → Consume 8–12 oz per week of low-mercury fish and limit high-mercury species
15. During a nutrition-focused physical exam, temporal wasting and loss of subcutaneous fat at the triceps most strongly suggest which condition? → Protein-energy malnutrition
16. Enteric-coated tablets are designed to dissolve in which part of the digestive tract? → Small intestine
17. A patient with lactose intolerance is at increased risk for deficiency of which nutrients if dairy is avoided without substitution? → Calcium and vitamin D
18. The primary energy currency of the cell is: → ATP
19. Which quality improvement model uses the cycle of Plan, Do, Study, Act to refine nutrition care processes? → PDSA cycle
20. What hydration guideline helps athletes avoid both dehydration and hyponatremia during endurance events? → Drink only when thirsty and include electrolytes in fluids
21. Which laboratory marker is most useful for assessing long-term glycemic control in diabetes management? → Hemoglobin A1c
22. Which skill is most important for success in Pharmacology & Drug Administration within Certified Nutritionist? → Continuous learning and adaptation
23. A patient's usual body weight is 180 lbs and current weight is 171 lbs, lost over one month. How should this weight change be interpreted? → Significant weight loss (5% in one month)
24. What is the purpose of a Safety Data Sheet (SDS) in Certified Nutritionist operations? → To provide hazard information about chemicals and materials
25. Which skill is most important for success in Emergency Procedures & Response within Certified Nutritionist? → Continuous learning and adaptation
26. A client takes warfarin and consumes large amounts of vitamin K-rich greens. What is the likely effect? → Decreased anticoagulation
27. Which dietary strategy is most beneficial for heart health? → Including omega-3 fatty acids and whole foods
28. Which electrolyte is most commonly lost in sweat and must be replaced during prolonged exercise? → Sodium
29. Which intervention strategy is MOST consistent with a population-level approach to reducing obesity in a community? → Zoning policies that limit fast food density near schools
30. The 'therapeutic index' of a drug describes what? → Ratio of toxic dose to effective dose