A.P-.A Chapter 5 Review

The ____________ : consists of the structures of the brain and spinal cord

• autonomic nervous system

• central nervous system

• peripheral nervous system

• somatic nervous system

Thin branches extending off of a nerve cell body that conduct impulses TOWARD the cell body.

• axon

• neuron

• dendrite

• myelin

___________ remove cellular debris

• Microglia

• Astrocytes

• Oligodendrocytes

• Schwann cells

When a neuron is stimulated, ions move across the membrane, creating a current called the Action Potential.

• True

• False

The ________ are the membranes covering the brain and spinal cord.

• Vertebrae

• Myelin

• Meninges

• Neurotransmitters

Which Meninges Layer Does This Describe:

•Loosely surrounds brain

•Looks like spider webs

•Absorbs Cerebrospinal Fluid

• Arachnoid

• Dura Matter

• Pia Matter

• Brain Stem

The ________________ Acts as a liquid shock absorber and transports nutrients and removes waste.

• Dura Matter

• Cerebrospinal Fluid

• Blood

• Choroid Plexus

The Brain Stem is in contact with the cells lining the ventricles, which helps in the formation of cerebrospinal fluid.

• True

• False

The cerebrum is divided into two hemispheres—right and left—by a deep groove known as the ______________

• cortex

• sulci

• Pia Matter

• longitudinal fissure

Convolutions serve to increase the surface area of the brain, resulting in a proportionately larger amount of gray matter.

• True

• False