Nervous System

Question 1

Central nervous system (CNS) consists of

Answer 1

 Brain

 Spinal cord

Question 2

PNS composed of 2 types of neurons

Answer 2

 Afferent

 Efferent

Question 3

Afferent (sensory)

Answer 3

neurons conduct impulses

from peripheral receptors to the CNS.

Question 4

Efferent (motor)

Answer 4

neurons conduct impulses
away from the CNS to the peripheral
effectors.

Question 5

Somatic nervous system

Answer 5

supplies the

striated skeletal muscles

Question 6

Autonomic nervous system

Answer 6

supplies
smooth muscle, cardiac muscle, and
glandular epithelial tissue.

Question 7

Meningitis

Answer 7

is an acute inflammation of the pia mater

and arachnoid

Question 8

Encephalitis

Answer 8

is a viral inflammation of the

brain and meninges

Question 9

Subdural empyema

Answer 9

is a suppurative process
in the space between the inner surface of the
dura and the outer surface of the arachnoid

Question 10

Glioma

Answer 10

are the most common primary
malignant brain tumors.
 They are composed of glial cells (supporting
connective tissues in the CNS

Question 11

Meningioma

Answer 11

is a benign tumor that arises

from arachnoid lining cells

Question 12

Pituitary adenom

Answer 12

Hormone-secreting pituitary adenomas
produce symptoms related to excess
hormones, rather than mass effect

Question 13

Chordoma

Answer 13

are tumors that arise from
remnants of the notochord (the embryonic
neural tube)

Question 14

The most common primary cancers to spread

to the brain are

Answer 14

 Lung

 Breast

Question 15

Linear skull fracture

Answer 15

appears on a plain radiograph as a sharp lucent line that

is often irregular or jagged and occasionally branches

Question 16

Diastatic skull fracture

Answer 16

a linear fracture that intersects a suture and courses

along it, causing sutural separation

Question 17

Depressed skull fracture

Answer 17

They are often stellate (star shaped) with multiple

fracture lines radiating outward from a central point.

Question 18

Epidural Hematoma

Answer 18

is caused by acute
arterial bleeding, usually from a laceration to
the middle meningeal artery.
 Typically appears as a biconvex (lensshaped),

Question 19

Subdural Hematoma

Answer 19

caused by venous
bleeding.
crescent-shaped

Question 20

Cerebral contusion

Answer 20

is an injury to brain tissue
caused by movement of the brain within the
calvaria after blunt trauma to the skull

Question 21

Intracerebral Hematoma

Answer 21

is a traumatic

hemorrhage into the brain parenchyma.

Question 22

Subarachnoid Hemorrhage

Answer 22

Subarachnoid hemorrhage is bleeding into
the ventricular system due to injury to surface
veins, cerebral parenchyma, or cortical
arteries

Question 23

Stroke

Answer 23

the sudden and dramatic

development of a focal neurologic deficit

Question 24

Transient Ischemic Attacks (TIAs)

Answer 24

focal neurologic deficits that

completely resolve within 24 hours.

Question 25

Subarachnoid Hemorrhage

Answer 25

Primary cause is a ruptured berry aneurysm

Question 26

Epilepsy

Answer 26

is a condition in which brain | impulses are temporarily disturbed

Question 27

Petite ma

Answer 27

Brief episodes of loss of consciousness, which may be | associated with mild muscular twitching

Question 28

Grand mal

Answer 28

Generalized convulsions associated with the patient falling to the floor, hypersalivating (foaming at the mouth), and losing control of urine and sometimes feces

Question 29

Normal aging

Answer 29

is evidenced on images as enlargement of the ventricular system and sulci.

Question 30

Alzheimer’s disease

Answer 30

s a diffuse form of progressive cerebral atrophy that develops at an earlier age than the senile period.

Question 31

Parkinson’s Disease

Answer 31

the “shaking palsy” - is | a progressive, degenerative disease.

Question 32

Cerebellar atrophy

Answer 32

is isolated atrophy of the | cerebellum.

Question 33

Hydrocephalus

Answer 33

s dilatation of the ventricular system that is usually associated with increased intracranial pressure

Question 34

Sinusitis

Answer 34

is caused by a viral upper respiratory | infection.