Ben's Grandfather Has Not Been Able to Read Ben a Bedtime

question 473

Multiple Choice

Ben's grandfather has not been able to read Ben a bedtime story for quite some time now. Grandpa says his eyes are just getting tired very early in the evening but Ben knows that his grandfather is unable to focus on reading because the lens in his eyes have become unable to focus the words directly onto the retina. His grandfather's lens are

• A)too thin, so the image is focused too far from the lens
• B)too thin, so the image is focused too near the lens
• C)too thick, so the image is focused too far from the lens
• D)too thick, so the image is focused too near the lens

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Definitions:

Dural Sinuses

Large venous channels found in the dura mater of the brain, draining blood from the brain and cranial cavity.

Internal Hydrocephalus

A condition where an excess of cerebrospinal fluid accumulates within the ventricles of the brain, resulting in increased pressure.

Ventricular Hydrocephalus

Ventricular hydrocephalus is a condition characterized by excessive accumulation of cerebrospinal fluid in the ventricles of the brain, leading to increased pressure and potential damage to brain tissues.

Blockage of CSF

An obstruction in the flow of cerebrospinal fluid (CSF), which can lead to conditions like hydrocephalus, influencing brain pressure.