1. Brain

Question 1

The brain has two __________ in the cerebrum and in the cerebellum

Answer 1

hemispheres

Question 2

The _______is the largest portion of the brain and controls thinking, emotions, speech, voluntary movement, etc.

Answer 2

cerebrum

Question 3

The ______is located inferiorly and posteriorly in the head and controls movement, balance, and posture

Answer 3

cerebellum

Question 4

The _______ is the most inferior portion of the brain and connects the brain to the spinal cord

• made of pons mid brain and medusa oblagatta

Answer 4

brainstem

Question 5

The brain is protected by

Answer 5

cranial bones, meninges, and cerebrospinal fluid

Question 6

The central nervous system (CNS) has 3 to 5 ounces of

Answer 6

cerebrospinal fluid

• deliver nutrients gets rid of waste

Question 7

_______ are like chambers or sinuses within the brain that communicate with the canal of the spinal cord and subarachnoid space

Answer 7

ventricles

Question 8

There are four ventricles: which include

Answer 8

two lateral ventricles, third ventricle, and fourth ventricle

Question 9

The ventricles produce

Answer 9

cerebrospinal fluid

Question 10

CNS is made of ______ matter

Answer 10

gray and white

Question 11

Gray matter is made up of

Answer 11

supportive nerve cells

Question 12

White matter is made up of

Answer 12

nerve fibers, axons, and dendrites

Question 13

In the ____, gray matter is peripheral and white matter is central

Answer 13

brain

Question 14

In the ____, white matter is peripheral and gray matter is central

Answer 14

spine

Question 15

The ______ is the main source of blood for the brain. It is Made up of the internal carotid and vertebral arteries

Answer 15

circle of willis

Question 16

The spinal cord extends from the______ to the _____

Answer 16

medulla oblongata to the tilum terminale (Ll-L2)

Question 17

The spinal cord carries messages between

Answer 17

brain and body

Question 18

Blood-brain barrier (BBB) protects the brain from

Answer 18

toxins

Question 19

Only substances that are_____ soluble can pass the BBB

Answer 19

lipid

• makes chemo difficult to get to brain

Question 20

Lipid soluble substances examples are

Answer 20

alcohol, nicotine, and heroin

Question 21

Water-soluble substances may pass through BBB if they use a

Answer 21

carrier molecule

Question 22

Water soluble substances are

Answer 22

glucose, amino acids, and sodium

Question 23

what are the 3 types of glial cells

Answer 23

• Astrocytes
• support and nourish neurons
  = astrocyomas or glioblastomas
• oligodendrocytes
• creates myelin which helps neurons
  send electric signals

tumors oligodentrogliomas

• ependymal cells
  line the ventricles
  tumors = ependymomas

Question 24

glioblastoma, astrocytoma, glioblastoma multiforme), medulloblastoma, oligodendroglioma, ependymoma, meningioma, lymphoma, schwannoma

Are within the category of

-

Answer 24

gliomas

• made of glial cells

Question 25

_____ is the most common primary brain tumor in children

Answer 25

Astrocytoma

Question 26

_____ is the second most common primary brain tumor in children

• brain devolopment more common in children

Answer 26

Medulloblastoma

Question 27

_____ are the most common primary brain tumor in adults. Specifically glioblastoma multiforme.

Answer 27

Malignant gliomas

Question 28

Overall, the most common brain tumors are

Answer 28

metastatic tumors

Question 29

Most common routes of spread for CNS tumors are local invasion and seeding through

Answer 29

cerebrospinal fluid (CFS)

Question 30

Most common area for CSF seeding is in the

Answer 30

lumbosacral area

Question 31

Low-grade CNS tumors rarely spread via the

Answer 31

lymphatic system

Question 32

High-grade CNS tumors are more likely to spread via

Answer 32

lymphatic system but still rare

Question 33

grade classifications goes from

Answer 33

1 - 4

good - worst