HESI Case Study: Thyroid Disorders

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HESI Case Study: Thyroid Disorders

Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Which hormone is primarily secreted by the thyroid gland?

• Cortisol
• Parathyroid hormone

✔✔C. Thyroxine (T4)

• Insulin

Which lab finding indicates hyperthyroidism?

• Low T3 and T4
• High TSH

✔✔C. High T3 and T4, low TSH

• Low calcium

Which symptom is most common in hypothyroidism?

• Weight loss

✔✔B. Fatigue and cold intolerance 1 / 3

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• Tachycardia
• Heat intolerance

Which medication is first-line treatment for hypothyroidism?

• Methimazole
• Propylthiouracil

✔✔C. Levothyroxine

• Radioactive iodine

Which symptom indicates thyroid storm in a hyperthyroid patient?

• Mild fever
• Bradycardia

✔✔C. High fever, tachycardia, and agitation

• Constipation

Which lab test is most reliable for diagnosing hypothyroidism?

• Serum calcium

✔✔B. TSH 2 / 3

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• Serum sodium
• Cortisol

Which intervention is priority for a patient with thyroid storm?

• Provide oral fluids
• Encourage rest

✔✔C. Administer antithyroid medication and beta-blockers

• Monitor blood glucose

Which symptom is commonly seen in Graves’ disease?

• Weight gain
• Cold intolerance

✔✔C. Exophthalmos

• Bradycardia

Which imaging study helps assess thyroid nodules?

• Chest X-ray

✔✔B. Thyroid ultrasound

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