Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Internal Medicine > CNS > Flashcards

CNS Flashcards

1
Q

CSF is produced by

A

Choroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

CSF is reabsorbed by

A

Arachnoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

LP is done at the level of

A

L3-L4 or L4-L5 to avoid injury to the spinal cord (terminates at L1 or L2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Trochlear nerve

A

Downward, internal rotation of eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Corneal reflex

A

CN 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Motor examination

A 
Muscle bulk 
Fasciculation 
Muscle tone 
Muscle power
Reflex
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Muscle bulk measurement

A

10cm above and 20 cm below tibial tuberosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Types of hypertonia

A

Clasp knife: corticospinal tract lesions
Lead pipe: extra-pyramidal tract lesion
Cog wheel: Parkinson

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Muscle power grading

A

Out of 5

0: no movement at all
1: flickering of the digits
2: moves without gravity (side to side)
3: moves against gravity
4: moves against restraint
5: moves against full restraint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Jendrassik maneuver

A

To enhance reflexes

Clenching teeth: upper limb
Hooking hands and pulling apart: lower limb (patellar)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Tendon reflex locations

A

Triceps
Biceps
Brachioradialis

Knee (patellar)
Achille’s refex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Grading of tendon reflex

A

0 to 4

0: no
1: slight
2: normal
3: very brisk (hyper-reflexia)
4: with clonus (patellar, ankle)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Circle of Willis

A

Anterior cerebral arteries
Anterior communicating artery
Posterior communicating artery
Posterior cerebral arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Four key features of stroke

A

Sudden onset
Focal involvement of CNS
Vascular cause
Lack of rapid resolution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Risk factors of stroke

A 
Age
Heredity
Hypertension
DM
Dyslipidemia 
Smoking
Alcohol
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Superficial reflex

A 
Corneal
Cremasteric (ipsilateral contraction)
Abdominal 
Plantar 
Anal
17
Q

Myasthenia graves is due to

A

Autoimmune destruction of Ach receptors

18
Q

Guillain Barre syndrome is due to

A

Immune-mediated polyneuropathies

19
Q

Muscular weakness that gets worse throughout the day

A

Myasthenia gravis

20
Q

Spastic paralysis

A

Upper motor neuron lesion

21
Q

Flaccid paralysis

A

Lower motor neuron lesion

22
Q

Fasciculation

A

Lower motor neuron lesion

23
Q

Causes of lesion mnemonic

A

VITAMIN CDE

Vascular 
Inflammatory/infectious
Toxic/trauma
Autoimmune 
Metabolic
Iatrogenic
Neoplastic/nutritional
Congenital
Degenerative/demyelinating 
Epileptic
24
Q

Brown Sequard syndrome presentation

A

Loss of all sensation at level of injury
Contralateral loss of pain and temperature
Ipsilateral loss of proprioception and vibration and motors innervation

25
Q

Most common cause of BSS

A

Traumatic injury

Internal Medicine (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions