Single correct option
Consider the following statements:
1. Adrenaline prepares the body to deal with an emergency.
2. Thyroxine is secreted by the pituitary gland.
Which of the statements given above is/are correct?
1. Adrenaline prepares the body to deal with an emergency.
2. Thyroxine is secreted by the pituitary gland.
Which of the statements given above is/are correct?
- A. 1 only
- B. 2 only
- C. Both 1 and 2
- D. Neither 1 nor 2
Show answer and solution
Answer: (A) 1 only
Adrenaline from the adrenal medulla raises heart rate, breathing rate and blood sugar in the fight or flight response, so statement 1 is correct. Thyroxine is secreted by the thyroid gland, which needs iodine; the pituitary secretes thyroid-stimulating hormone that controls it. Statement 2 is false.
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