chapter 60 part 3

Question 1

indentations in the skull base

Answer 1

fossa

Question 2

fossa that contains the frontal lobe

Answer 2

anterior fossa

Question 3

fossa that contains the temporal lobe

Answer 3

middle fossa

Question 4

fossa that contains the cerebellum and brain stem

Answer 4

posterior fossa

Question 5

fibrous connective TISSUE that COVER THE brain and spinal cord

Answer 5

meninges

Question 6

provide protection, support, and nourishment to the brain and spinal cord

Answer 6

meninges

Question 7

layers of the meninges are the:

Answer 7

dura mater
arachnoid
pia mater

Question 8

the outermost layer of meninges

Answer 8

dura mater

Question 9

TOUGH, THICK, inelastic, fibrous, and GRAY meninges

Answer 9

dura mater

Question 10

the middle membrane of meninges

Answer 10

arachnoid

Question 11

extremely THIN, delicate membrane that closely RESEMBLES A SPIDER WEB

Answer 11

arachnoid

Question 12

this meninges has cerebrospinal fluid (CSF) in the space below it

Answer 12

arachnoid

Question 13

unique finger-like projections that absorb CSF into the venous system

Answer 13

arachnoid villi

Question 14

the innermost, thin, transparent layer that hugs the brain closely and extends into every fold of the brain’s surface

Answer 14

pia mater

Question 15

clear and colorless fluid that is produced in the choroid plexus of the ventricles and circulates around the surface of the brain and the spinal cord

Answer 15

cerebrospinal fluid

Question 16

cerebrospinal fluid is produced at a rate of about ____ mL/day

Answer 16

500 ml per day

Question 17

cerebrospinal fluid may be obtained through a

Answer 17

lumbar puncture

Question 18

blockage of the flow of CSF anywhere in the ventricular system

Answer 18

obstructive hydrocephalus

Question 19

the reason why the CNS is inaccessible to many substances that circulate in the blood plasma

Answer 19

blood-brain barrier

Question 20

a semi-permeable membrane that protects the brain and central nervous system (CNS) from harmful substances

Answer 20

blood-brain barrier

Question 21

the connection between the brain and the periphery

Answer 21

spinal cord

Question 22

what part of the meninges cover brain and spinal cord

Answer 22

dura mater

Question 23

a tube of nerve tissue that runs from the brain to the lower back, carrying signals between the brain and the rest of the body

Answer 23

spinal cord

Question 24

what is the length of spinal cord

Answer 24

45 cm (18 inches)

Question 25

NERVE ROOTS that extend beyond the conus

Answer 25

cauda equina

Question 26

H shaped structure of gray matter

Answer 26

lateral horn

Question 27

how many are the vertebral column

Answer 27

30

Question 28

what consists of the vertebral column:

Answer 28

12 thoracic 7 sacral 5 lumbar 5 sacral 1 coccygeal

Question 29

how many are the pairs of cranial nerve?

Answer 29

12

Question 30

what are the 12 cranial nerves

Answer 30

OLFACTORY OPTIC OCCULOMOTOR TROCHLEAR TRIGEMINAL ABDUCENS FACIAL VERTIBULOCOCHLEAR GLOSSOPHARYNGEAL VAGUS ACCESSORY HYPOGLOSSAL

Question 31

the brain receives ___ % of the cardiac output or ____ ml/min

Answer 31

15% 750 ml