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Flashcards in Neuro Deck (40):
1

UMN or LMN?
Increased tone

UMN

2

UMN or LMN?
Muscle wasting

LMN

3

UMN or LMN?
Hyperreflexia

UMN

4

UMN or LMN?
Severe weakness

LMN

5

UMN or LMN?
Upward plantar

UMN

6

UMN or LMN?
Fasiculations

LMN

7

UMN or LMN?
Exaggerated jaw jerk

UMN

8

UMN or LMN?
Spastic gait

UMN

9

What is a pyramidal/corticospinal pattern of weakness

Weak extensors of arms & flexors of legs

10

UMN or LMN?
Absent/reduced deep tendon reflexes

LMN

11

Where does CN V originate

Pons

12

Which CNs originate from the pontomedullary junction?

VI, VII, VIII

13

Which CNs originate from the medulla?

IX, X, XII

14

Displacement of cingulate gyrus under falx cerebri =

Subfalcine (cingulate) herniation - weakness +/- sensory loss to leg

15

[medial aspect] temporal lobe herniates over tenetorium cerebelli

Tentorial/uncal herniation (compresses CN III)

16

Tonsillar herniation

Displacement of cerebellar tonsils through foramen magnum - Life-threatening (brainstem compression & respiratory arrest)

17

Swollen brain herniates through defect in dura & skull

Transcalvarium

18

Which tract?
Pain

Spinothalamic

19

Which tract?
Light touch

Dorsal column

20

Which tract?
Temperature

Spinothalamic

21

Which tract?
Proprioception

Dorsal column

22

Which tract?
Movement

Corticospinal

23

Which tract?
Vibration

Dorsal column

24

Derivatives of brain regions from embryonic divisions:
cerebral hemispheres

Telencephalon

25

Derivatives of brain regions from embryonic divisions:
thalamus, hypothalamus

Diencephalon

26

Derivatives of brain regions from embryonic divisions:
midbrain

Mesencephalon

27

Derivatives of brain regions from embryonic divisions:
pons, cerebellum

Metencephalon

28

Derivatives of brain regions from embryonic divisions:
medulla oblongata

Myelencephalon

29

Nerve injury:
Colles fracture

Median n.

30

Nerve injury:
Anterior shoulder dislocation

Axillary n.

31

Nerve injury:
Humeral shaft #

Radial n.

32

Nerve injury:
Supracondylar # of elbow

Median n.

33

Nerve injury:
Posterior dislocation of hip

Sciatic n.

34

Nerve injury:
"Bumper" injury to lateral knee

Common peroneal/fibular n.

35

Which CNs pass through jugular foramen?

CN IX, X, XI
(XI comes up through foramen magnum then back out)
Jugular vein

36

CNs VII & VIII come out through which foramen?

Internal acoustic meatus

37

Which CNs pass through the superior orbital fissure?

III, IV, V[1], VI
Superior ophthalmic vein

38

Which CN passes through foramen rotundum?

V[2]

39

CN V[3] passes through which foramen?

Foramen Ovale

40

Hypoglossal canal is for which CN?

XII