The Involuntary Subconscious Motor Component of the Peripheral Nervous System

question 32

Multiple Choice

The involuntary subconscious motor component of the peripheral nervous system is called the:

• A) autonomic nervous system.
• B) somatic nervous system.
• C) afferent nervous system.
• D) brain.

---

Definitions:

Optical Nerve

Often referred to as the optic nerve, it is a crucial nerve responsible for transmitting visual information from the retina to the brain.

Rods and Cones

Specialized types of photoreceptor cells in the retina that are responsible for vision in low light (rods) and color vision and detailed vision in brighter light (cones).

Retina

The light-sensitive layer of tissue at the back of the inner eye, containing photoreceptor cells that convert light into neural signals.

Brain

Ganglionic mass at the anterior end of the nerve cord; in vertebrates, the brain is located in the cranial cavity of the skull.