FITZ Exit Exam Verified Questions and
Correct Answers A+ Graded Nurse
Practitioner 2025 2026 Edition
.1.
A 48-year-old woman presents with weight gain, fatigue, and cold
intolerance. On exam, her thyroid is enlarged and firm. Labs show
elevated TSH and low free T4. What is the most likely diagnosis?
A. Graves’ disease
B. Subacute thyroiditis
C. Hashimoto’s thyroiditis
D. Toxic multinodular goiter
**✅ Answer C. Hashimoto’s thyroiditis
**Rationale:** Hashimoto’s (autoimmune hypothyroidism) is
characterized by high TSH, low T4, and a firm, enlarged thyroid.
**FITZ Tip:** *Anti-TPO antibodies confirm Hashimoto’s.*
---
.2.
,A 32-year-old woman has palpitations, tremors, and weight loss. She
has a diffuse goiter and exophthalmos. What is the most likely
diagnosis?
A. Toxic multinodular goiter
B. Graves’ disease
C. Subacute thyroiditis
D. Thyroid storm
**✅ Answer B. Graves’ disease
,**Rationale:** Graves’ is autoimmune hyperthyroidism marked by
ophthalmopathy and diffuse goiter.
**FITZ Tip:** *Radioactive iodine uptake is diffusely increased.*
---
.3.
A 65-year-old man has fasting glucose of 132 mg/dL and HbA1c
6.8%. What is the diagnosis?
A. Normal
B. Prediabetes
C. Type 2 diabetes
D. Metabolic syndrome
**✅ Answer C. Type 2 diabetes
**Rationale:** Diabetes is diagnosed when fasting glucose ≥126
mg/dL or A1c ≥6.5%.
**FITZ Tip:** *Confirm with repeat test if asymptomatic.*
---
, .4.
A 55-year-old obese woman has central obesity, moon face, and
purple striae. Which test should be ordered first?
A. Fasting glucose
B. Serum cortisol at 8 AM
C. Dexamethasone suppression test
D. TSH
**✅ Answer C. Dexamethasone suppression test
**Rationale:** Initial screening for Cushing’s syndrome is a low-dose
dexamethasone suppression test.
**FITZ Tip:** *Cushing = cortisol excess.*
.5.
Which oral antidiabetic medication causes lactic acidosis as a rare but
serious side effect?
A. Glipizide
B. Metformin
C. Pioglitazone
D. Sitagliptin
Correct Answers A+ Graded Nurse
Practitioner 2025 2026 Edition
.1.
A 48-year-old woman presents with weight gain, fatigue, and cold
intolerance. On exam, her thyroid is enlarged and firm. Labs show
elevated TSH and low free T4. What is the most likely diagnosis?
A. Graves’ disease
B. Subacute thyroiditis
C. Hashimoto’s thyroiditis
D. Toxic multinodular goiter
**✅ Answer C. Hashimoto’s thyroiditis
**Rationale:** Hashimoto’s (autoimmune hypothyroidism) is
characterized by high TSH, low T4, and a firm, enlarged thyroid.
**FITZ Tip:** *Anti-TPO antibodies confirm Hashimoto’s.*
---
.2.
,A 32-year-old woman has palpitations, tremors, and weight loss. She
has a diffuse goiter and exophthalmos. What is the most likely
diagnosis?
A. Toxic multinodular goiter
B. Graves’ disease
C. Subacute thyroiditis
D. Thyroid storm
**✅ Answer B. Graves’ disease
,**Rationale:** Graves’ is autoimmune hyperthyroidism marked by
ophthalmopathy and diffuse goiter.
**FITZ Tip:** *Radioactive iodine uptake is diffusely increased.*
---
.3.
A 65-year-old man has fasting glucose of 132 mg/dL and HbA1c
6.8%. What is the diagnosis?
A. Normal
B. Prediabetes
C. Type 2 diabetes
D. Metabolic syndrome
**✅ Answer C. Type 2 diabetes
**Rationale:** Diabetes is diagnosed when fasting glucose ≥126
mg/dL or A1c ≥6.5%.
**FITZ Tip:** *Confirm with repeat test if asymptomatic.*
---
, .4.
A 55-year-old obese woman has central obesity, moon face, and
purple striae. Which test should be ordered first?
A. Fasting glucose
B. Serum cortisol at 8 AM
C. Dexamethasone suppression test
D. TSH
**✅ Answer C. Dexamethasone suppression test
**Rationale:** Initial screening for Cushing’s syndrome is a low-dose
dexamethasone suppression test.
**FITZ Tip:** *Cushing = cortisol excess.*
.5.
Which oral antidiabetic medication causes lactic acidosis as a rare but
serious side effect?
A. Glipizide
B. Metformin
C. Pioglitazone
D. Sitagliptin
