Advanced Biology Module 8 Test Review

The _____ is formed by the medulla oblongata, the pons, and the midbrain.

• diencephalon

• ventricles

• reflex arc

• brainstem

The ____ is formed by the thalamus and the hypothalamus.

• brainstem

• diencephalon

• ventricles

• reflex arc

_____ is produced by the ventricles and cushions and protects the brain.

• CSF

• Blood

• Adipose tissue

• Gray matter

There are an average of 100 _____ neurons in the adult human brain.

• million

• billion

• trillion

In a(n) _____ stroke, a blood clot cuts off the blood supply to part of the brain.

• ischemic

• hemorrhagic

In a(n) stroke, a blood vessel in the brain bursts.

• ischemic

• hemorrhagic

What are the two basic types of strokes?

• ischemic

• hemorrhagic

collections of neuron cell bodies

• gray matter

• white matter

• decussation

• vital functions

bundles of parallel axons and their sheaths

• gray matter

• white matter

• decussation

a crossing over of neurons from left to right side of the CNS

• decussation

• vital functions

• commissures