Nervous System Exam

The brain and spinal cord are protected and cushioned by three connective tissue membranes that are collectively called ________.

• cerebrospinal fluid

• blood-brain barrier

• meninges

• sinuses

What reflexes stimulate skeletal muscles?

• somatic

• pupillary

• autonomic

• salivary

The thalamus, hypothalamus, and epithalamus collectively constitute the ________.

• cerebellum

• brain stem

• cerebrum

• diencephalon

The delicate innermost membrane, or meningeal layer, that clings to the surface of the brain and spinal cord is known as the ________ mater.

• dura mater

• arachnoid mater

• periosteal

• pia mater

How many pairs of spinal nerves emerge from the spinal cord?

• 12

• 18

• 25

• 31

Which of the following is the correct sequence in a typical reflex arc?

• effector, sensory neuron, integration center, motor neuron, receptor

• effector, motor neuron, integration center, sensory neuron, receptor

• receptor, sensory neuron, integration center, motor neuron, effector

• receptor, motor neuron, integration center, sensory neuron, effector

The midbrain, pons, and medulla oblongata are housed in the ________.

• diencephalon

• brain stem

• cerebellum

• cerebrum

Wendy had a few alcoholic drinks, then found walking and maintaining her balance difficult. Which part of her brain was sedated by the alcohol?

• cerebrum

• hypothalamus

• diencephalon

• cerebellum

Which one of the following represents the correct sequence from outermost to innermost layers of the meninges?

• pia mater, dura mater, arachnoid mater

• arachnoid mater, dura mater, pia mater

• dura mater, pia mater, arachnoid mater

• dura mater, arachnoid mater, pia mater

What do the ventral roots and dorsal roots fuse to form?

• spinal nerves

• the spinal cord

• central canal

• spinous process