NRSRGRY 1

Question 1

Part of brain involved in executive function, decision-making and restraint of emotions

Answer 1

Frontal areas

Question 2

How is the homonculus oriented along the precentral gyrus?

Answer 2

head inferior and lateral to the lower extremities superiorly and medially

Question 3

Where is the motor speech area (broca’s area) in most patients?

Answer 3

L Posterior inferior frontal lobe

Question 4

Lobe responsible for Awareness of one’s body in space and relative to the immediate environment, body orientation and spatial relationships

Answer 4

Parietal lobe

Question 5

Visual cortex is arrayed along the apposing medial surfaces of this lobe

Answer 5

Occipital lobe

Question 6

Left occipital lobe receives and integrates data from which half of the retina?

Answer 6

Left half of the retina

Question 7

What is the structure above the temporal lobe which divides it from the parietal lobe?

Answer 7

Sylvian fissure

Question 8

Memory

a. hippocampus
b. amygdala
c. Meyer’s loops
d. Wernicke’s area

Answer 8

A

Question 9

Receptive speech area

Answer 9

Wernicke’s

Question 10

Involved with modulation of movement via inhibition of motor pathways

Answer 10

Basal ganglia

Question 11

Parts of diencephalon

Answer 11

Thalamus

Hypothalamus

Question 12

Key processor and relay circuit for most motor and sensory information going to or coming from the cortex

Answer 12

Thalamus

Question 13

Key regulator of homeostasis via the autonomic and neuroendocrine systems

Answer 13

Hypothalamus

Question 14

Sensory

a. medial lemniscus
b. corticospinal tract
c. spinothalamic tract

Answer 14

A and C

Question 15

These cranial nerves have nuclei at the brain stem

Answer 15

III-XII

Question 16

integrates somatosensory, vestibular, and motor information for coordination and timing of movement

Answer 16

Cerebellum

Question 17

Lesions on the cerebellar vermis leads to

Answer 17

truncal ataxia

Question 18

lateral lesions to the cerebellum lead to

Answer 18

termor and dyscoordination in the extremities

Question 19

T/F the ventricular system is continuous with the subarachnoid space outside the brain.

Answer 19

T

Question 20

Communication between lateral ventricles and 3rd ventricle is via the

Answer 20

foramen of monroe

Question 21

communication between third ventricle to fourth ventricle is via the

Answer 21

Aqueduct of Sylvius

Question 22

passageway of CSF from 4th ventricle to subarachnoid space

Answer 22

foramen of Magendie and paired foramina of Luschka

Question 23

What creates CSF?

Answer 23

Choroid plexus

Question 24

What is the average CSF volume of an adult?

Answer 24

150mL

Question 25

How much CSF fluid is made in an adult per day?

Answer 25

500mL per day

Question 26

The spinal cord ends at what vertebral level?

Answer 26

L1

Question 27

motor tracts continue from the brain stem down via the _______ to ______ then exit via ventral nerve roots.

Answer 27

anterior and lateral corticospial tracts, anterior horn cells

Question 28

sensory information enters via _____, travels up the dorsal column or _____ into the brain stem

Answer 28

dorsal nerve roots | spinothalamic tract

Question 29

Menta status will follow commands and answer questions but return to sleep

Answer 29

lethargic

Question 30

Mental status difficult to arouse

Answer 30

stupurous

Question 31

Mental status no purposeful response to voice or pain

Answer 31

comatose

Question 32

motor strength no muscle movement

Answer 32

0/5

Question 33

Motor strength movement against gravity but not against resistance

Answer 33

3/5

Question 34

Motor strength normal strength against gravity and resistance

Answer 34

5/5

Question 35

Motor strength Movement at the joint but not against gravity

Answer 35

2/5

Question 36

Motor strength Movement against gravity but less than normal resistance

Answer 36

4/5

Question 37

Motor strength visible muscle movement but no movement on the joint

Answer 37

1/5

Question 38

GCS | Eye opening max score

Answer 38

4

Question 39

GCS Motor response max score

Answer 39

6

Question 40

GCS Verbal response max score

Answer 40

5

Question 41

Imaging for: Fractures, osteolytic or osteoblastic lesions, pneumocephalus, and to assess for evidence of bony trauma or soft tissue swelling suggesting fracture?

Answer 41

Plain films

Question 42

Externally useful diagnostic tool in the setting of new focal neurologic deficit, decreased mental status or trauma. Rapid and almost universally available.

Answer 42

CT

Question 43

Excellent imaging of soft tissues structures in the head and spine

Answer 43

MRI

Question 44

Gold standard for evaluation of vascular pathology of the brain and spine

Answer 44

Angiography (digital subtraction angiography)

Question 45

Assess the function of peripheral nerves

Answer 45

EMG-NCS

Question 46

records muscle activity in response to a proximal stimulation of the motor nerve

Answer 46

EMG

Question 47

Record the velocity and amplitude of the nerve action potential

Answer 47

NCS