Which option correctly pairs the term with its definition and classic clinical sign?

• A. SAM: prolonged moderate calorie insufficiency leading primarily to stunting; marasmus: primarily a micronutrient deficiency causing cognitive delays; kwashiorkor: excess calorie intake with localized limb edema only.
• B. SAM: primarily hidden hunger due to lack of micronutrients; marasmus: chronic infection‑driven weight loss without muscle wasting; kwashiorkor: primary iodine deficiency disorder presenting with goiter and kwashiorkor-like edema.
• C. Chronic malnutrition: an immediate life‑threatening calorie shortage with sudden wasting; marasmus: protein excess causing fatty liver; kwashiorkor: exclusive carbohydrate deficiency with early weight gain.
• D. Severe acute malnutrition (SAM): rapid, extreme under‑nutrition often with wasting; marasmus: extreme calorie deficiency with profound muscle and fat loss; kwashiorkor: severe protein deficiency often with edematous distended abdomen.

Answer: (D)