Anatomy of the Nervous System Quiz

The spinal cord is responsible for transmitting nerve signals to and from the brain.

The spinal cord lies in the vertebral canal, which is protected by the bony structures of the vertebral column.

<p>Sympathetic and parasympathetic (A)</p> Signup and view all the answers

<p>A dermatome is the area of skin supplied by the afferent (sensory) fibers of a single spinal nerve.</p> Signup and view all the answers

<p>Thoracic plexus (C)</p> Signup and view all the answers

<p>The root value of a peripheral nerve indicates which spinal nerve roots have contributed to that nerve.</p> Signup and view all the answers

<p>The three layers surrounding a peripheral nerve are the epineurium, perineurium, and endoneurium.</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

The portion of the nervous system that controls voluntary movement and receives sensory information from the external environment.

The portion of the nervous system that controls involuntary functions like heart rate, digestion, and breathing.

Nerves that carry signals from the sensory organs to the central nervous system.

Nerves that carry signals from the central nervous system to muscles and glands.

A bundle of nerve fibers that transmits signals to and from the brain.

The area of skin innervated by a single spinal nerve.

A group of muscles innervated by a single spinal nerve root.

A cluster of nerve cell bodies in the peripheral nervous system.

The region of the spinal cord responsible for relaying sensory information to the brain.

The region of the spinal cord responsible for transmitting motor signals to the muscles.

The outer layer of connective tissue surrounding a peripheral nerve.

The layer of connective tissue surrounding a fascicle within a peripheral nerve.

The layer of connective tissue surrounding individual nerve fibers within a fascicle.

A bundle of nerve fibers within a peripheral nerve.

A network of interconnected nerves that transmit signals to and from the brain.

A spinal nerve that carries both sensory and motor fibers.

One of two branches of a spinal nerve, responsible for innervating specific regions of the body.

The division of the autonomic nervous system responsible for preparing the body for emergencies.

The division of the autonomic nervous system responsible for regulating the body during non-emergency situations.

The number of spinal nerve roots that contribute to a particular peripheral nerve.

The central processing unit of the nervous system, responsible for integrating and coordinating all brain function.

The central pathway of the nervous system, connecting the brain to the rest of the body.

The dark, central region of the spinal cord, containing nerve cell bodies.

The white, outer region of the spinal cord, containing myelinated nerve fibers.

A group of nerves that innervate the neck and shoulder region.

A group of nerves that innervate the arm and hand region.

A group of nerves that innervate the thigh region.

A group of nerves that innervate the leg and foot region.

A specific peripheral nerve that controls the diaphragm muscle.

A group of nerves that innervate the skin of the back, chest, and abdomen.