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Questions and Answers
What is the function of the thyroid gland?
What is the function of the thyroid gland?
- To regulate heart rate and blood pressure
- To aid in digestion and nutrient absorption
- To produce insulin for blood sugar regulation
- To promote metabolic activities by catalysing oxidative enzyme systems (correct)
What controls the secretion of T3 and T4 hormones?
What controls the secretion of T3 and T4 hormones?
- Thyroid-stimulating pituitary hormone (TSH) (correct)
- Adrenaline
- Estrogen
- Insulin
What hormone is produced by the C cells of the thyroid stroma?
What hormone is produced by the C cells of the thyroid stroma?
- Calcitonine (correct)
- Thyroxin (T4)
- Tetra-iodo-tyrosine
- Triodo-thyronine (T3)
What is the anatomical structure that consists of 2 lateral lobes and an isthmus?
What is the anatomical structure that consists of 2 lateral lobes and an isthmus?
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How are T3 and T4 hormones stored in the thyroid gland?
How are T3 and T4 hormones stored in the thyroid gland?
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Study Notes
Thyroid Gland Function
- The thyroid gland regulates growth, development, and metabolic rate.
Thyroid Hormone Regulation
- The hypothalamus and pituitary gland control the secretion of T3 and T4 hormones through a negative feedback mechanism.
Calcitonin Production
- The C cells of the thyroid stroma produce Calcitonin, a hormone that regulates calcium levels in the blood.
Thyroid Gland Structure
- The thyroid gland consists of 2 lateral lobes connected by an isthmus.
Thyroid Hormone Storage
- T3 and T4 hormones are stored in the thyroid gland in the form of thyroglobulin, a protein-bound complex.
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