Multiple choice

In an experiment, luteinising hormone is injected into the body of adult males. What do you expect?

  1. More of testosterone is produced

  2. Less of testosterone is produced

  3. There is no effect on the production of testosterone

  4. Sperm production will increase
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A Correct answer
Explanation

Luteinising hormone (LH) stimulates the Leydig cells in the testes to produce testosterone. In males, LH is the primary regulator of testosterone synthesis. When exogenous LH is administered, it will stimulate increased testosterone production by these cells. LH does not directly stimulate sperm production - that's the role of FSH.

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