Contraction of the Orbicularis Oculi

question 89

Multiple Choice

Contraction of the orbicularis oculi

• A)raises the eyelid.
• B)is innervated by the optic nerve.
• C)closes the eye.
• D)flattens the lens during refraction.

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Definitions:

Stimulants

Substances that increase activity in the brain and nervous system, enhancing alertness and energy.

Depressants

Substances that reduce the activity of the central nervous system, leading to effects such as relaxation, reduced anxiety, and sleepiness.

Narcotics

Narcotics are drugs that relieve pain and can induce sleep, but also have potential for dependency and abuse.

Planning

The process of thinking about and organizing the activities required to achieve a desired goal, involving foresight and strategic decision-making.