Coordination and control – the nervous system

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Question 31
Easy

A patient shifts their focus from reading a digital tablet at 30 cm to looking at a mountain range on the horizon. Which row in the table correctly describes the physiological changes that occur in the patient's eyes to focus on the distant mountain range?

Ciliary musclesSuspensory ligamentsCurvature of the lens
AContractSlackenDecreases
BRelaxSlackenIncreases
CRelaxTightenDecreases
DContractTightenIncreases

Contract ∣\lvert∣ Slacken ∣\lvert∣ Decreases

Relax ∣\lvert∣ Slacken ∣\lvert∣ Increases

Relax ∣\lvert∣ Tighten ∣\lvert∣ Decreases

Contract ∣\lvert∣ Tighten ∣\lvert∣ Increases

Coordination and control – the nervous system Questions

  1. GCSE
  2. /Biology
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