ABFM Core Knowledge and Fundamentals 3

Question 1

A 45-year-old man presents with fatigue and is found to have a fasting glucose of 118 mg/dL. How is this classified?

Accepted Answer

Impaired fasting glucose (prediabetes)

Answer

Impaired fasting glucose (prediabetes) is defined as fasting glucose 100–125 mg/dL; values ≥126 mg/dL on two occasions indicate diabetes.

Question 2

Which of the following is the most common cause of community-acquired pneumonia in otherwise healthy adults?

Accepted Answer

Streptococcus pneumoniae

Answer

Streptococcus pneumoniae remains the most common identifiable cause of community-acquired pneumonia across all age groups.

Question 3

A patient on metformin for type 2 diabetes is scheduled for a contrast CT scan. What is the recommended action regarding metformin?

Accepted Answer

Discontinue metformin 48 hours before and restart 48 hours after if renal function is stable

Answer

Metformin should be held 48 hours before and after iodinated contrast in patients at risk for contrast-induced nephropathy to prevent lactic acidosis.

Question 4

Which lipid abnormality pattern is most characteristic of metabolic syndrome?

Accepted Answer

High triglycerides with low HDL

Answer

Metabolic syndrome typically features hypertriglyceridemia and low HDL-cholesterol, along with abdominal obesity, hypertension, and impaired fasting glucose.

Question 5

A 70-year-old woman has a T-score of -2.7 on DXA. What does this indicate?

Accepted Answer

Osteoporosis

Answer

Osteoporosis is defined by a T-score of -2.5 or lower; this patient's score of -2.7 meets diagnostic criteria for osteoporosis.

(ABFM) American Board of Family Medicine Practice Test

(ABFM) American Board of Family Medicine Practice Test

ABFM Core Knowledge and Fundamentals 3