Review Questions

Aside from the nervous system, which other organ system develops out of the ectoderm?

1. digestive
2. respiratory
3. integumentary
4. urinary

Which primary vesicle of the embryonic nervous system does not differentiate into more vesicles at the secondary stage?

1. prosencephalon
2. mesencephalon
3. diencephalon
4. rhombencephalon

Which adult structure(s) arises from the diencephalon?

1. thalamus, hypothalamus, retina
2. midbrain, pons, medulla
3. pons and cerebellum
4. cerebrum

Which non-nervous tissue develops from the neuroectoderm?

1. respiratory mucosa
2. vertebral bone
3. digestive lining
4. craniofacial bone

Which structure is associated with the embryologic development of the peripheral nervous system?

1. neural crest
2. neuraxis
3. rhombencephalon
4. neural tube

Which lobe of the cerebral cortex is responsible for generating motor commands?

1. temporal
2. parietal
3. occipital
4. frontal

What region of the diencephalon coordinates homeostasis?

1. thalamus
2. epithalamus
3. hypothalamus
4. subthalamus

What level of the brain stem is the major input to the cerebellum?

1. midbrain
2. pons
3. medulla
4. spinal cord

What region of the spinal cord contains motor neurons that direct the movement of skeletal muscles?

1. anterior horn
2. posterior horn
3. lateral horn
4. alar plate

Brodmann’s areas map different regions of the ________ to particular functions.

1. cerebellum
2. cerebral cortex
3. basal forebrain
4. corpus callosum

What blood vessel enters the cranium to supply the brain with fresh, oxygenated blood?

1. common carotid artery
2. jugular vein
3. internal carotid artery
4. aorta

Which layer of the meninges surrounds and supports the sinuses that form the route through which blood drains from the CNS?

1. dura mater
2. arachnoid mater
3. subarachnoid
4. pia mater

What type of glial cell is responsible for filtering blood to produce CSF at the choroid plexus?

1. ependymal cell
2. astrocyte
3. oligodendrocyte
4. Schwann cell

Which portion of the ventricular system is found within the diencephalon?

1. lateral ventricles
2. third ventricle
3. cerebral aqueduct
4. fourth ventricle

What condition causes a stroke?

1. inflammation of meninges
2. lumbar puncture
3. infection of cerebral spinal fluid
4. disruption of blood to the brain

What type of ganglion contains neurons that control homeostatic mechanisms of the body?

1. sensory ganglion
2. dorsal root ganglion
3. autonomic ganglion
4. cranial nerve ganglion

Which ganglion is responsible for cutaneous sensations of the face?

1. otic ganglion
2. vestibular ganglion
3. geniculate ganglion
4. trigeminal ganglion

What is the name for a bundle of axons within a nerve?

1. fascicle
2. tract
3. nerve root
4. epineurium

Which cranial nerve does not control functions in the head and neck?

1. olfactory
2. trochlear
3. glossopharyngeal
4. vagus

Which of these structures is not under direct control of the peripheral nervous system?

1. trigeminal ganglion
2. gastric plexus
3. sympathetic chain ganglia
4. cervical plexus