Question

Bisphenol A (BPA) is found in many plastics. Female rats injected with BPA daily for their...

Bisphenol A (BPA) is found in many plastics. Female rats injected with BPA daily for their first 10 days of life displayed a decrease in LH levels in their blood. Which organ was being affected by the BPA that led to decreased LH in the blood?

ovary

kidney

pituitary

thyroid

pancreas

Science   Anatomy-And-Physiology   
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Answer #1

Answer:

Option C : Pituitary

Explanation: LH (luteinizing hormone) gets released by the anterior lobe of the pituitary gland in response to the GnRH (gonadotropin releasing hormone) released from the anterior lobe of the pituitary gland. The hormone exhibits its action over the male and female reproductive organs. And in females it exhibits its action over the ovaries and causes ovulation; that is the release of the ovum for fertilization to happen.

Thus, when the concentration of the hormone LH is reported to be decreased, the organ involved behind this must be pituitary as the gland itself is responsible for its release.Also, it has been reported that the compound BPA is known to have shown its effect on infant rats and in the question, the experimental female rats are under infantile stage only.

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