Lecture 3: PNS, Meninges, and the Ventricular System

Question 1

name of system made up of cranial nerves (pairs of nerves that may be sensory only, motor only, or mixed) and spinal nerves (mixed nerves that carry motor and sensory fibers)

Answer 1

peripheral nervous system

Question 2

protective layers of tissue covering the brain and spinal cord which also help to contain cerebrospinal fluid

Answer 2

meninges

Question 3

dura mater : outermost :: ___ mater : middle :: pia mater : innermost

re: meninges layers

Answer 3

arachnoid

Question 4

name of hemorrhage in which blood fills portions of the subarachnoid space

Answer 4

subarachnoid hemorrhage

Question 5

epidural hematoma : between dura mater and skull :: subdural hematoma : between dura mater and ___ mater

Answer 5

arachnoid

Question 6

name of medical condition which is a brain tumor originating in the meninges, usually slow-growing

Answer 6

meningioma

Question 7

name of system which is a collection of cavities, including: lateral ventricles, the third ventricle, and the fourth ventricle

Answer 7

ventricular system

Question 8

name of the substance found in the ventricles and subarachnoid space; made by choroid plexi and absorbed by arachnoid villi

Answer 8

cerebrospinal fluid

Question 9

medical condition in which an abnormal accumulation of cerebrospinal fluid in the ventricles / cavities of the brain increases intracranial pressure

Answer 9

hydrocephalus

Question 10

true or false: hydrocephalus may be obstructive and non obstructive - both are treated with a shunt inserted into the ventricle and excess cerebrospinal fluid is drained

Answer 10

true