Nervous 23

Which part of the nerve cell is specially constructed to transmit a message from one cell to another nerve cell?

• myelin sheath

• dendrite

• neuron

• axon

Impulses enter the neuron by way of the:

• myelin sheath

• dendrite

• synapse

• axon

Cranial nerves and spinal nerves are part of the:

• autonomic nervous system.

• peripheral nervous system.

• central nervous system.

• cranial nerves.

The membrane covering of the brain is known as the:

• cerebral aqueduct.

• choroid plexus.

• meninges.

• ventricles.

Which area of the brain contains the midbrain, pons, and medulla oblongata?

• diencephalon

• cerebellum

• brain stem

• cerebrum

Which phrase best describes the dura mater meningeal layer?

• cerebrospinal fluid that acts as a liquid shock absorber

• delicate innermost layer that clings to the brain

• tough, durable outer membrane

• cobweb-like middle membrane

Joe experienced hallucinations, seizures, and temporary loss of consciousness. An EEG test showed uncontrolled electrical activity of neurons in Joe's brain. Which disorder was Joe most likely diagnosed with?

• epilepsy

• hydrocephalus

• meningitis

• neuritis

Sarah fell while rock climbing and struck the ground. She is experiencing respiratory distress and is unable to move. Sarah's doctor will most likely diagnose her with which condition?

• myasthenia gravis

• spinal cord injury

• multiple sclerosis

• poliomyelitis

Which lobe of the brain coordinates voluntary muscle movement?

• frontal

• occipital

• parietal

• temporal

Anna is recovering from a fight with Arianne. Anna’s breathing is slowing down, her pulse is slowing, and she is fatigued. What part of the nervous system is responsible for these changes?

• parasympathetic

• cranial nerves

• spinal nerves

• sympathetic