Registered Dietitian Nutritionist Medical Nutrition Therapy Flashcards
6 cards from real Registered Dietitian Nutritionist practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Registered Dietitian Nutritionist Medical Nutrition Therapy flashcards as text
Which dietary fat profile is most recommended to reduce LDL cholesterol through medical nutrition therapy?
Answer: Low saturated fat, high mono- and polyunsaturated fats
Replacing saturated fats with monounsaturated and polyunsaturated fats significantly lowers LDL cholesterol levels.
The DASH diet is primarily designed as medical nutrition therapy for which condition?
Answer: Hypertension
The DASH (Dietary Approaches to Stop Hypertension) diet was specifically developed to reduce high blood pressure through dietary modification.
A patient with phenylketonuria (PKU) must restrict which amino acid?
Answer: Phenylalanine
PKU is caused by inability to metabolize phenylalanine, so dietary restriction prevents toxic accumulation and neurological damage.
Which vitamin deficiency is most commonly associated with long-term use of proton pump inhibitors (PPIs)?
Answer: Vitamin B12
PPIs reduce stomach acid, which is required to release protein-bound B12 from food, leading to B12 deficiency over time.
What is the recommended protein intake range for critically ill ICU patients?
Answer: 1.2–2.0 g/kg/day
Critical illness increases catabolism, requiring 1.2–2.0 g/kg/day of protein to preserve lean body mass and support immune function.
Which vitamin must be administered before initiating refeeding to prevent Wernicke's encephalopathy?
Answer: Thiamine (Vitamin B1)
Thiamine must be replenished before providing glucose or carbohydrates in malnourished patients to prevent Wernicke's encephalopathy.
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