AANPCB AANPCB Diagnostic Testing and Interpretation

Question 1

A patient's TSH is elevated at 8.2 mIU/L with a low free T4. Which diagnosis does this pattern most indicate?

Accepted Answer

Primary hypothyroidism

Answer

Hyperthyroidism

Answer

Secondary hypothyroidism

Answer

Subclinical hyperthyroidism

Question 2

Which finding on urinalysis is most specific for a urinary tract infection?

Accepted Answer

Nitrites and leukocyte esterase

Answer

Hematuria

Answer

Proteinuria

Answer

Elevated specific gravity

Question 3

A patient's HbA1c is 7.2%. What does this result indicate about their average blood glucose over the past 2–3 months?

Accepted Answer

Above the ADA goal of less than 7% for most adults with diabetes

Answer

Normal glycemic control below diabetic threshold

Answer

Critically elevated requiring emergency intervention

Answer

Consistent with prediabetes, not diabetes

Question 4

Which electrocardiographic finding is most diagnostic of an acute ST-elevation myocardial infarction (STEMI)?

Accepted Answer

New ST-segment elevation in two or more contiguous leads

Answer

T-wave inversion in precordial leads

Answer

Prolonged QT interval

Answer

Right bundle branch block

Question 5

What does a positive D-dimer result primarily indicate when evaluating a patient for pulmonary embolism?

Accepted Answer

Indicates fibrin breakdown, suggesting active clot formation or thrombus

Answer

Confirms the diagnosis of pulmonary embolism

Answer

Rules out deep vein thrombosis

Answer

Confirms aortic dissection

Question 6

A patient has a fasting blood glucose of 118 mg/dL. According to ADA criteria, how is this classified?

Accepted Answer

Prediabetes (impaired fasting glucose)

Answer

Normal

Answer

Diabetes mellitus

Answer

Hypoglycemia