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One of the following is correct statemen...

One of the following is correct statement ?

A

`T_(4)` is more active than `T_(3)`

B

`T_(3)` is more active than `T_(4)`

C

`T_(3)` and `T_(4)` are the same

D

None of these

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding which statement is correct about thyroid hormones T3 and T4, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Statements**: - The question presents four statements about T3 and T4. We need to evaluate each statement to determine which one is correct. 2. **Evaluate the First Statement**: - The first statement claims that T4 is more active than T3. - **Analysis**: This statement is incorrect. T4 (Thyroxine) is less active compared to T3 (Triiodothyronine). 3. **Evaluate the Second Statement**: - The second statement claims that T3 is more active than T4. - **Analysis**: This statement is correct. T3 is indeed the more active thyroid hormone, and it binds quickly to nuclear receptors, leading to faster activation. 4. **Evaluate the Third Statement**: - The third statement claims that T3 and T4 are the same. - **Analysis**: This statement is incorrect. T3 and T4 are different hormones with distinct structures and functions. 5. **Evaluate the Fourth Statement**: - The fourth statement is "none of these." - **Analysis**: Since we have identified the second statement as correct, this option is also incorrect. 6. **Conclusion**: - After evaluating all the statements, we conclude that the correct answer is the second statement: "T3 is more active than T4." ### Final Answer: The correct statement is: **T3 is more active than T4.** ---
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