Exam 9: Nervous System

The olfactory nerves and optic nerves are mixed nerves.

Which of the following are adrenergic fibers?

Pulling your hand away from a hot pot is an example of

The respiratory areas are in the pons and in the

Which is NOT a method for clearing neurotransmitters from the synaptic cleft?

Unmyelinated axons and neuron cell bodies form

Cell bodies of motor neurons are located in the anterior horns of the spinal cord.

These neuroglia provide structural support between neurons and blood vessels,have numerous processes,and help regulate extracellular nutrient and ion concentration.

Efferent neurons carry impulses from the central nervous system to effectors.

This branch of the autonomic nervous system prepares the body for stressful or emergency situations.

These convert environmental information into impulses that are conducted to the central nervous system.

Impulse conduction is ________ in myelinated nerve fibers.

Which list gives the following five parts of a reflex arc in order? (1)central nervous system, (2)effector, (3)motor neuron, (4)receptor, (5)sensory neuron

Within the meninges,cerebrospinal fluid occupies the

The simplest nerve pathway in the body is called a(n)

Bundles of axons that carry impulses into the brain or spinal cord are

A neuron's "trigger zone" is the

The outermost layer of the meninges is the __________ mater.

The cellular processes of neurons that provide receptive surfaces for input from other neurons are

The butterfly shape seen in a cross section of the spinal cord is composed of white matter.