Select the incorrect option

Options

A. Thyroid gland is the largest endocrine gland in humans
B. Thyroid secrets `T_(3)` and `T_(4)`
C. Thyroid gland is composed of follicle and stromal tissues
D. Thyroid consists of four lobes

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks to select the incorrect option regarding the thyroid gland.

2. **Analyze the Options**:
- **Option 1**: "The thyroid gland is the largest endocrine gland in the human body."
- This statement is correct. The thyroid gland is indeed the largest endocrine gland.

- **Option 2**: "The thyroid secretes T3 and T4."
- This statement is also correct. The thyroid gland secretes two primary hormones, T3 (triiodothyronine) and T4 (thyroxine).

- **Option 3**: "The thyroid gland is composed of follicles and stromal tissue."
- This statement is correct as well. The thyroid gland consists of follicular cells that produce hormones and stromal tissue that supports the gland.

- **Option 4**: "The thyroid consists of four lobes."
- This statement is incorrect. The thyroid gland actually consists of two lobes (right and left) and not four.

3. **Identify the Incorrect Option**: Based on the analysis, the incorrect option is Option 4, which states that the thyroid consists of four lobes.

4. **Conclusion**: The answer to the question is Option 4.

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