A&P Ch 8: Nervous System

When an axon is at resting potential the polarization is maintained by a protein channel pump which...(read carefully!)

Part of the brain responsible for BP, respiration, and heart rate

Cranial nerve providing the sense of sight

Largest and upper-most part of the brain is the

When the brain and spinal cord process sensory information to respond

How are the spinal nerves named

The electrical impulse that carries a message down a neuron. (more than one is correct)

A motor nerve sends messages to the CNS

After a message is sent the neurotransmitter has to be removed from the synaptic cleft by...

A mixed nerve sends messages to the CNS and the PNS

The brain and spinal cord make up the

The somatic nervous system is responsible for skeletal muscle movement

These are the protective membranes over the brain and spinal cord

Gaps in the myelin sheath where an impulse jumps

Gray matter consists mainly of

Bridge of white matter connecting the hemispheres of the brain

Cranial nerve providing the sense of taste and also sensory aspect of gag reflex

Cranial nerve providing the function of most eye movement

Cranial nerve providing the sense of smell

What increases the intensity of nerve conduction

After an axon has sent a message (an action potential) it returns to a _____ state

The sympathetic system is the "rest and digest" system

What is the most outer layer of meninges called

Part of the brain responsible for positioning of body parts, for example, posture

Part of the diencephalon that plays a major role in maintaining homeostasis

Myelin sheath is made by

Division of the PNS that transmits information from the environment to the CNS (more than one is correct)

General term for chemical messengers

Cranial nerve providing the function of swallowing and speech

There are ____ cranial nerves and ___ pairs of spinal nerves

Space where neurotransmitter is used to communicate between two neurons

The function of the myelin sheath is

The hole in the base of the skull through which the spinal cord descends

Where is the limbic system located

White matter consists mainly of

A sensory nerve sends messages to the CNS

Losing cognitive ability is an inevitable consequence of aging on the brain

When an axon is at Resting Potential it is

Cranial and spinal nerves are collectively called:

When an axon is sending an Action Potential it is