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5.3 Hormonal coordination in humans

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Question 18

A woman produces a normal amount of LH but too little FSH. A doctor recommends a fertility drug containing FSH only.

Why is extra LH not needed?

[1]
A

Her own LH can trigger ovulation after the added FSH has enabled an egg to mature.

B

Her own LH can mature an egg after the added FSH has triggered ovulation.

C

Her own LH can both mature and release an egg after the added FSH has maintained the uterus lining.

D

The added FSH can both mature and release an egg, so the LH she produces is unnecessary.

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5.3 Hormonal coordination in humans Questions

  1. GCSE
  2. /Biology
  3. /5.3 Hormonal coordination in humans

85 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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