Which Statement About Vision Loss Is Incorrect

question 49

Multiple Choice

Which statement about vision loss is incorrect?

• A)Vision loss occurs at all ages.
• B)Blindness is the absence of sight.
• C)Vision loss is gradual or sudden in onset.
• D)Both eyes are always affected.

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Definitions:

Chloride Shift

The chloride shift is a process during which chloride ions move from the blood plasma into red blood cells as bicarbonate ions leave, helping maintain ionic balance in blood during gas exchange.

Vital Capacity

The maximum amount of air a person can expel from the lungs after a maximum inhalation.

Tidal Volume

The amount of air that is inhaled or exhaled during normal breathing with each respiratory cycle.

Residual Capacity

The amount of air remaining in the lungs after a normal expiration, critical for continuous gas exchange between breathing cycles.