Hannah, a Freshman Psychology Student, Just Discovered She Has a Blind

question 97

Multiple Choice

Hannah, a freshman psychology student, just discovered she has a blind spot in each eye. Should she be concerned?

• A) Yes, this is probably the precursor to more severe visual problems.
• B) No, everyone has blind spots.
• C) Yes, although we are all born with blind spots, they should disappear by adulthood.
• D) No, but she should definitely be cautious when driving at night.

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Definitions:

Ammonia

A compound of nitrogen and hydrogen with the formula NH3, which is a colorless gas with a characteristic pungent smell.

Excretion

The procedure through which an organism's body eliminates metabolic waste materials and poisonous substances.

Insoluble

Not able to be dissolved in a particular solvent, often referring to solids that cannot be dissolved in liquids.

Uric Acid

A waste product formed from the breakdown of purines, excreted in the urine; high levels can lead to gout and kidney stones.