ANF' is

A

Steroidal in nature

B

Peptide hormone

C

Glucocorticoid hormone

D

Mineralocorticold hormone

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding ANF**: ANF stands for Atrial Natriuretic Factor, also known as Atrial Natriuretic Peptide (ANP). It is a hormone produced by the heart. 2. **Identifying the Nature of ANF**: ANF is classified as a peptide hormone. Peptide hormones are made up of amino acids and are proteinaceous in nature. 3. **Function of ANF**: The primary function of ANF is to reduce blood pressure. It does this by promoting vasodilation, which relaxes the smooth muscles of blood vessels. 4. **Comparison with Other Hormones**: - Steroidal hormones (like glucocorticoids and mineralocorticoids) are derived from cholesterol and are not the same as peptide hormones. - Glucocorticoids and mineralocorticoids are secreted from the adrenal cortex and have different functions related to metabolism and mineral balance. 5. **Conclusion**: Based on the classification and functions discussed, ANF is correctly identified as a peptide hormone. **Final Answer**: ANF is a peptide hormone. ---
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