A Patient Notices a Change in the Ability to Focus

question 8

Multiple Choice

A patient notices a change in the ability to focus the eyes.Which structure should the nurse suspect is causing this change?

• A) Lens
• B) Macula
• C) Optic disk
• D) Optic nerve

Comprehend the principles and components involved in sensory processing.

Recognize the significance and contributions of psychophysics to understanding sensory experiences.

Identify the impact of subliminal stimuli on perception and cognition.

Explain the role of thresholds (absolute and difference) in sensory perception.

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Definitions:

Mechanical

Pertaining to the design, operation, and use of machines or tools.

Physical

Relating to the body as opposed to the mind or emotions, or being in a material state.

Occult Blood

Blood that is not visible to the naked eye, often detected in stool or urine samples through laboratory tests.

Peristalsis

The series of wave-like muscle contractions that moves food through the digestive tract.