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MD/MS OB-Gyn Biology — practice by topic

Browse 30 questions across 3 Biology topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Biology topics

Biology (30)Fertilisation and Development (30)Obstetrics (30)

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A sperm and an oocyte combine and their nuclei fuse. That event is:Read the answer and worked solution →The single cell formed at fertilisation is called a:Read the answer and worked solution →Fluids in the female tract prime sperm for fertilisation. That priming is:Read the answer and worked solution →Fertilisation must happen in the distal uterine tube because an unfertilised oocyte cannot survive:Read the answer and worked solution →

Worked practice questions

A sperm and an oocyte combine and their nuclei fuse. That event is:

  1. Fertilisation
  2. Fermentation
  3. Fortification
  4. Formulation
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Correct answer: A. Fertilisation

1. Two cells become one. 2. Their genetic material joins. 3. That event is fertilisation. _Source: OpenStax Anatomy and Physiology 2e, Chapter 28, Development and Inheritance._

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The single cell formed at fertilisation is called a:

  1. Zephyr
  2. Zygote
  3. Zealot
  4. Zenith
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Correct answer: B. Zygote

1. It holds a full set of instructions. 2. Half comes from each parent. 3. That cell is the zygote. _Source: OpenStax Anatomy and Physiology 2e, Chapter 28, Development and Inheritance._

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Fluids in the female tract prime sperm for fertilisation. That priming is:

  1. Capacitation
  2. Calcification
  3. Codification
  4. Compaction
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Correct answer: A. Capacitation

1. The sperm is not ready on arrival. 2. The tract changes it on the way. 3. That change is capacitation. _Source: OpenStax Anatomy and Physiology 2e, Chapter 28, Development and Inheritance._

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