Teaching packet

Tyler, 15

15-year-old referred for weight management after a sports physical.

15 years old, male

Conditions

Overweight / obesity

Medications

None.

The plan the engine produced

The engine refused to generate automated guidance for this profile. The refusal is the teaching point: guideline diet advice does not cover this population, so the tool routes the case to a named clinician instead of guessing.

Pediatric (under 18)

Children and adolescents have different nutritional needs and a different evidence base. This tool is for adults.

Route to: Pediatric clinician + registered dietitian

Case questions

1. A patient takes atorvastatin. Which food should they avoid?

A. Bananas
B. Grapefruit
C. Spinach
D. Eggs

2. A patient on warfarin asks about leafy greens. The best advice is to:

A. Avoid all greens
B. Keep vitamin K intake consistent week to week
C. Eat as much as possible
D. Stop greens entirely

3. Stage 3b CKD plus an ACE inhibitor. A high-potassium dish should be:

A. Recommended freely
B. Limited or set aside
C. Required daily
D. Ignored

4. Long-term metformin can lower which vitamin?

A. Vitamin C
B. Vitamin D
C. Vitamin B12
D. Folate

Answer key

1. B. Grapefruit

Grapefruit blocks intestinal CYP3A4, which can raise levels of atorvastatin and simvastatin. Pravastatin and rosuvastatin are not affected.

FDA Consumer Update; CMAJ 2013

2. B. Keep vitamin K intake consistent week to week

Warfarin needs steady vitamin K, not avoidance. Big swings in intake change the dose response; consistency is the goal.

MedlinePlus: Warfarin

3. B. Limited or set aside

Reduced kidney function plus an ACE inhibitor raises hyperkalemia risk, so high-potassium foods are limited and potassium is matched to serum levels.

KDOQI 2020; FDA labeling

4. C. Vitamin B12

Long-term metformin is associated with lower vitamin B12; periodic testing is suggested.

ADA Standards of Care 2026

Demo data. Educational use, not medical advice.