Exam 11: Nervous System II

The subarachnoid space within the meninges contains cerebrospinal fluid.

Aphasia is loss of the ability to

A newborn has a CT scan of the brain to identify a cause of seizures.The scan showed no convolutions (gyri)of the cerebral cortex.She has

The brain has about one hundred million neurons.

If the right lateral spinothalamic tract is severed,

Brain waves are recordings of activity in the

The epidural space contains

Interruption of blood flow to the brain that can damage the cerebrum is called a

The corticospinal tracts control

The interconnected,fluid-filled cavities of the brain are called _____________ .

Melinda has Parkinson disease.Her movements are slowing and she has difficulty initiating voluntary muscular actions.The region that is affected in her brain is the

Symptoms of concussion include all except

If the left corticospinal tract is severed in the neck near the first cervical vertebra,

The _________ root of a spinal nerve consists of motor neuron axons.

A spinal nerve passing through the intervertebral foramen is

Aging of the brain begins

A soldier suffers a brain injury,and becomes unable to speak.The damage is likely in

The choroid plexuses project into the ventricles.

Sympathetic tone is continuous stimulation of smooth muscles in the walls of blood vessels,which results in partial constriction.

When the flexor muscles of one arm contract in a withdrawal reflex,the extensor muscles of the other arm contract.This phenomenon is called