Intermediate Thyroid Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. How does thyroid hormone affect heart rate?
- Slows conduction
- Increases heart rate
- Decreases heart rate
- No effect
Q2. Where are the parafollicular (C) cells located?
- Inside thyroid follicles
- Between thyroid follicles
- In parathyroid glands
- In the adrenal gland
Q3. What hormone lowers blood calcium levels?
- PTH
- TSH
- Calcitonin
- Cortisol
Q4. Which artery provides the superior blood supply to the thyroid gland?
- Superior thyroid artery
- Subclavian artery
- Facial artery
- Inferior thyroid artery
Q5. What happens to thyroid hormone production in iodine deficiency?
- Hormone degradation
- No change
- Decreased hormone production
- Increased hormone production
Q6. Which structure drains venous blood from the thyroid gland?
- Jugular vein
- Subclavian vein
- Thyroid veins
- Vertebral vein
Q7. How does T3 differ from T4 in potency?
- T4 is more potent
- Both are equally potent
- Neither has potency
- T3 is more potent
Q8. Where does most conversion of T4 to T3 occur?
- Pituitary gland
- Brainstem
- Thyroid gland
- Peripheral tissues
Q9. Which autoimmune disease causes hyperthyroidism?
- Cushing's syndrome
- Hashimoto's thyroiditis
- Graves' disease
- Addison's disease
Q10. What classic symptom is associated with Graves’ disease?
- Skin hyperpigmentation
- Hypotension
- Bradycardia
- Exophthalmos