Keto Diet Assessment and Evaluation 4 — Questions and Answers
Question 1: A keto dieter's fasting glucose consistently reads 95–105 mg/dL despite ketosis. What is the most likely explanation?
- Physiological insulin resistance — a normal adaptation preserving glucose for the brain (Correct answer)
- They are eating too many carbohydrates
- Their meter is defective
- They have developed type 2 diabetes
Correct answer: Physiological insulin resistance — a normal adaptation preserving glucose for the brain
Physiological or 'adaptive' glucose sparing is a benign state where the body conserves glucose for organs that require it during prolonged keto.
Question 2: Which non-scale victory (NSV) metric best evaluates real-world functional improvement on a keto diet?
- Improved energy levels and reduced brain fog reported consistently over 4+ weeks (Correct answer)
- A single day of high mental clarity
- Temporary weight loss of 2 lbs in the first week
- Reduced hunger for one meal
Correct answer: Improved energy levels and reduced brain fog reported consistently over 4+ weeks
Sustained energy improvement and reduced cognitive fog reported over weeks are reliable functional outcome markers of successful keto adaptation.
Question 3: A GKI (Glucose Ketone Index) of 1.0 indicates what metabolic state?
- Deep therapeutic ketosis, relevant for conditions like cancer or epilepsy (Correct answer)
- Optimal athletic performance range
- Early carbohydrate withdrawal
- Overhydration
Correct answer: Deep therapeutic ketosis, relevant for conditions like cancer or epilepsy
A GKI of 1.0 or below reflects deep ketosis used therapeutically for neurological conditions and certain metabolic diseases.
Question 4: Why might HbA1c appear falsely low in someone who is well-adapted to a ketogenic diet?
- Increased red blood cell turnover can reduce HbA1c independently of glucose control (Correct answer)
- Ketones interfere directly with the HbA1c assay reagents
- Dietary fat coats red blood cells and prevents glycation
- Low sodium intake dilutes the hemoglobin reading
Correct answer: Increased red blood cell turnover can reduce HbA1c independently of glucose control
Some individuals on keto have faster red blood cell turnover, resulting in newer cells with less accumulated glycation and lower HbA1c despite normal glucose.
Question 5: What does a rising LDL-C with normal triglycerides and elevated HDL likely represent in a lean keto dieter?
- A lean mass hyper-responder pattern that may require particle size testing for true risk assessment (Correct answer)
- A definitive sign of cardiovascular disease
- Evidence the diet is not working
- Protein overconsumption converting to glucose
Correct answer: A lean mass hyper-responder pattern that may require particle size testing for true risk assessment
Lean individuals on keto can show an LDL-C rise driven by large, buoyant LDL particles, which carry different risk implications than small dense LDL.
Question 6: Which assessment tool is most useful for tracking visceral fat reduction specifically during a ketogenic intervention?
- Waist circumference measured consistently at the navel (Correct answer)
- Total body weight on a standard scale
- Skin-fold thickness on the arm
- Blood pressure alone
Correct answer: Waist circumference measured consistently at the navel
Waist circumference correlates closely with visceral fat and is a simple, reliable proxy for abdominal fat reduction.
Question 7: Which scenario best demonstrates that a ketogenic dieter has fully adapted metabolically?
- Stable energy without carbohydrate cravings, improved exercise endurance, and ketones 0.5–2.0 mmol/L (Correct answer)
- Urine ketones reading 'large' at every test
- Blood glucose dropping below 60 mg/dL regularly
- Rapid 10 lb weight loss in 2 weeks
Correct answer: Stable energy without carbohydrate cravings, improved exercise endurance, and ketones 0.5–2.0 mmol/L
Full keto adaptation is characterized by stable energy, reduced cravings, functional fitness, and moderate ketone levels — not extreme readings.
Keto Diet Assessment and Evaluation 4
A keto dieter's fasting glucose consistently reads 95–105 mg/dL despite ketosis.
What is the most likely explanation?