CNS

Question 1

BRAIN composed of:

Answer 1

Cortex
White Matter

Question 2

outer portion of gray matter

Answer 2

Cortex

Question 3

inner portion of the brain

Answer 3

White Matter

Question 4

occupies the cranial cavity

Answer 4

Brain

Question 5

which is suspended within the vertebral canal

Answer 5

Spinal Cord

Question 6

PARTS OF THE BRAIN

Answer 6

 Cerebrum
 Cerebellum
 Brain Stem

Question 7

• largest part of the brain
• Separated into right and left hemisphere by longitudinal sulcus (interhemispheric fissure).

Answer 7

CEREBRUM

Question 8

• Control of voluntary motion

Answer 8

FRONTAL LOBE

Question 9

• Principal center for receiving and consciously perceiving most sensory information.

Answer 9

PARIETAL LOBE

Question 10

• Functions in receiving and perceiving visual input.

Answer 10

OCCIPITAL LOBE

Question 11

• Involved in olfactory and auditory sensations and play important role in memory.

Answer 11

TEMPORAL LOBE

Question 12

• The second largest part of the brain, is located just below the posterior portion of the cerebrum.

Answer 12

CEREBELLUM

Question 13

• A relay station for sensory impulses passing upward to the sensory cortex.

Answer 13

THALAMUS

Question 14

• Plays a role in the regulation of body temperature, water balance, and metabolism.

Answer 14

HYPOTHALAMUS

Question 15

• Connects the cerebrum with the spinal cord.

Answer 15

BRAIN STEM

Question 16

• Originates as an extension of the medulla oblongata at the foramen magnum in the base of the skull.

Answer 16

SPINAL CORD

Question 17

• a tough outer covering Nucleus Pulposus- pulpy center

Answer 17

Annulus Fibrous

Question 18

• is located between the arachnoid and the pia mater
• It is filled with cerebrospinal fluid (CSF) to continuously bathe the brain and the spinal cord with nutrients and to cushion them against shocks and blows

Answer 18

SUBARACHNOID SPACE

Question 19

• supporting cells
• includes many types of cells that generally
  support, insulate, and protect the delicate neurons

Answer 19

NEUROGLIA

Question 20

• a condition in which the bony neural arch that encloses and protects the spinal cord is not completely closed
• Elevated α-fetoprotein (AFP) levels in the mother’s blood and on amniocentesis may allow spina bifida to be diagnosed prenatally

Answer 20

MENINGOMYELOCELE (SPINA BIFIDA)

Question 21

• only the meninges protrude

Answer 21

Meningocele

Question 22

• protrusion of the spinal cord, w/o meningeal coverings

Answer 22

Myelocele

Question 23

• protrusion of both the meninges and the spinal cord into the skin of the back
• most common and most serious of possible conditions, affecting approx. one in every 800 infants

Answer 23

Myelomeningocele

Question 24

• excessive accumulation of CSF within the ventricles and can be either congenital or acquired
• The buildup of fluid in cavities called ventricles deep within the brain. The excess fluid increases the size of the ventricles and puts pressure on the brain.

Answer 24

HYDROCEPHALUS

Question 25

- It is an inflammation of the protective membranes covering the brain and spinal cord, primarily caused by bacterial, viral, or fungal infections.

Answer 25

MENINGITIS

Question 26

refers to inflammation of the brain itself, often triggered by viral infections

Answer 26

ENCEPHALITIS

Question 27

- A.K.A Herniated Disk - caused by Degenerative Disease or Trauma

Answer 27

HERNIATED NUCLEUS PULPOSUS

Question 28

An encapsulated accumulation of pus within the cranium resulting from a cranial infection, a penetrating head wound, or an infection spread through the bloodstream. Direct spread of organisms associated with a complicated case of sinusitis, chronic otitis, or mastoiditis.

Answer 28

Brain abscess

Question 29

- Sometimes called arthritis of the neck, is a general term for wear and tear that affects your cervical spine. - very common and worsens with age

Answer 29

CERVICAL SPONDYLOSIS

Question 30

- Is a long-lasting (chronic) disease of the central nervous system. - In MS, the body’s immune system attacks nerves in the brain and spinal cord. - A potentially disabling disease of the brain and spinal cord (central nervous system)

Answer 30

MULTIPLE SCLEROSIS

Question 31

- Atherosclerotic disease affecting the blood supply to the brain may eventually result in a cerebrovascular accident (CVA), commonly referred to as a stroke

Answer 31

STROKE (CEREBROVASCULAR ACCIDENT)

Question 32

- occur when a blood vessel in the brain ruptures and bleeds into the adjacent brain tissues and structures

Answer 32

HEMORRHAGIC

Question 33

- The most common primary malignant brain tumors, accounting for approximately 45% of all intracranial tumors, consist of glial cells that still have the ability to multiply. - peak incidence in middle adult life and are infrequent in persons younger than 30 years of age

Answer 33

GLIOMAS

Question 34

- bony covering such as cranial bones of the skull and the vertebrae Inner

Answer 34

Covering of CNS Outer

Question 35

Brainstem is composed of:

Answer 35

Midbrain, Pons, and Medulla

Question 36

3 distinct layers of meninges

Answer 36

Pia Mater Dura Mater Arachnoid Membrane