In which cerebral lobe is the primary somatic sensory cortex located?

• parietal

• frontal

• temporal

• occipital

What reflexes stimulate skeletal muscles?

• somatic

• pupillary

• autonomic

• salivary

What cells form the myelin sheaths around nerve fibers in the PNS?

• satellite cells

• ependymal cells

• Schwann cells

• microglial cells

The large fiber tract that allows communication between the two cerebral hemispheres is called the _______.

• corpus callosum

• fornix

• pons

• thalamus

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

• 12

• 18

• 25

• 31

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

• diencephalon

• hypothalamus

• brain stem

• cerebellum

The gap between two communicating neurons is termed _______.

• synaptic cleft

• cell body

• node of Ranvier

• Schwann cell

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

• cerebellum

• diencephalon

• brain stem

• cerebrum

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

• ventricles

• arachnoid villi

• meninges

• sinuses

What separates the two cerebral hemispheres of the brain?

• fissure

• pineal gland

• gyrus

• sulcus