Quick Answer
Thyroid function tests are tested in NEET-PG & INICET Medicine — 1-2 marks per paper. Best initial test: TSH. Primary hypothyroidism: TSH ↑, T4 ↓. Primary hyperthyroidism: TSH ↓, T4 ↑. Subclinical hypo: TSH ↑, T4 normal. Subclinical hyper: TSH ↓, T4 normal. Most common cause of primary hypo in iodine-sufficient areas: Hashimoto thyroiditis (anti-TPO antibodies).
Key Concepts to Lock In
- 1Best initial test for thyroid disease: serum TSH
- 2Primary hypothyroidism: TSH ↑, T4 ↓ (cause: Hashimoto in adequate iodine areas; iodine deficiency globally)
- 3Subclinical hypothyroidism: TSH ↑, T4 normal — treat if symptomatic, pregnancy, TSH >10
- 4Primary hyperthyroidism: TSH ↓, T4/T3 ↑ (Graves' disease most common — anti-TSH receptor antibodies)
- 5Secondary (pituitary) hypothyroidism: TSH low or inappropriately normal, T4 ↓
- 6Sick euthyroid syndrome: low T3 (with low/normal TSH) in critically ill patients — do not treat
- 7Treatment of hypo: Levothyroxine; hyper: Carbimazole/Methimazole, PTU (pregnancy), radioiodine, surgery
- 8Hashimoto antibodies: anti-TPO; Graves antibodies: anti-TSH receptor (TRAb)
NEET-PG & INICET Relevance
| NEET-PG & INICET Subject | Medicine |
| Expected questions | 1-2 marks per paper |
| Question type | Mostly clinical vignettes; some direct recall |
| Repeated in last 5 years | Yes — appears in nearly every session |
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Pro tip: reading this page once is not enough. Pair the concepts above with 20-30 NEET-PG & INICET-style PYQs on this topic, then revisit after 7 days. Spaced practice is what locks high-yield topics into long-term recall for exam day.
Frequently Asked Questions
Is Thyroid Function Tests for NEET-PG & INICET important for NEET-PG & INICET?▼
Yes. This topic typically contributes 1-2 marks per paper in the NEET-PG & INICET paper, predominantly in the Medicine section. It is among the high-yield topics that consistently appear across recent NEET-PG & INICET sessions.
How should I prepare this topic for NEET-PG & INICET 2026?▼
Master the key concepts listed on this page, then practise NEET-PG & INICET-style PYQs on this topic. The most efficient approach: 30 minutes of focused reading followed by 20-30 PYQs to lock in retention. Repeat after 7 days for spaced revision.
Where does this topic fit in the NEET-PG & INICET syllabus?▼
This topic falls under NEET-PG & INICET Medicine. Medicine carries significant weightage in the NEET-PG & INICET paper. Combine this topic with other high-yield Medicine topics for maximum return on study time.
Are PYQs available on this topic in Kinase?▼
Yes. Kinase has thousands of subject-tagged PYQs including this specific topic. Each question comes with a detailed text explanation covering the concept and why other options are incorrect.
Medicine subject
1-2 marks per paper
Updated for NEET-PG & INICET 2026
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