Kaplan Nursing Entrance Exam Practice 2025 – Comprehensive Prep

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Question: 1 / 2700

The lens of the eye is positioned behind which structure?

Pupil

The lens of the eye is situated directly behind the pupil. The pupil is essentially an opening in the iris that allows light to enter the eye. Located between the cornea and the lens, the pupil's size can change to regulate the amount of light that reaches the lens and subsequently the retina. This positioning is crucial because the lens works to focus light onto the retina, which is responsible for converting light into neural signals for the brain to interpret visual images. Understanding this anatomical arrangement helps clarify how light travels through the eye and how the various components work together to facilitate vision.

While the cornea, iris, and retina are also important structures of the eye, they are not positioned directly behind the lens. The cornea is the clear, front surface of the eye, the iris is the colored part surrounding the pupil, and the retina is the layer of tissue at the back of the eye that captures light signals.

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Cornea

Iris

Retina

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