Physiology False about thyroid stimulating hormone (TSH) is: A secretion is pulsatile In nature B normal plasma level is 0.2-0.5 micro IU/ml C secretion is entirely under control of hypothalamus D increases synthesis and release of thyroid hormones 💡 Explanation False about thyroid stimulating hormone (TSH) is: ✓ Correct Answer: C. secretion is entirely under control of hypothalamus