STEP 1 Neuro

Question 1

Motor cortex—upper limb and face.

Answer 1

MCA

Question 2

Sensory cortex—upper limb and face.

Answer 2

MCA

Question 3

Temporal lobe (Wernicke area); frontal lobe (Broca area).

Answer 3

MCA

Question 4

Aphasia if in dominant (usually left) hemisphere. Hemineglect if lesion affects nondominant (usually right) side.

Answer 4

MCA (Temporal lobe (Wernicke area); frontal lobe (Broca area)

Question 5

MCA (Temporal lobe (Wernicke area); frontal lobe (Broca area)

Answer 5

Aphasia if in dominant (usually left) hemisphere. Hemineglect if lesion affects nondominant (usually right) side.

Question 6

Contralateral loss of sensation— upper limb and face.

Answer 6

MCA (Sensory cortex—upper limb and face)

Question 7

MCA (Sensory cortex—upper limb and face)

Answer 7

Contralateral loss of sensation— upper limb and face.

Question 8

Motor cortex—upper limb and face. Artery and deficit?

Answer 8

MCA

Contralateral paralysis—upper limb and face.

Question 9

Striatum, internal capsule.

Answer 9

lenticulo-striate artery

Question 10

Contralateral hemiparesis/ hemiplegia.

Answer 10

lenticulo-striate artery (Striatum, internal capsule.)

Question 11

Common location of lacunar infarcts, 2° to unmanaged hypertension.

Answer 11

lenticulo-striate

Question 12

Motor to lower limb

Answer 12

ACA

Question 13

Sensory to lower limb

Answer 13

ACA

Question 14

Contralateral loss of sensation— lower limb.

Answer 14

ACA (sensory to lower limb)

Question 15

Contralateral loss of motor - lower limb

Answer 15

ACA (motor to lower limb)

Question 16

ipsilateral Horner syndrome

Answer 16

PICA; sympathetics

Question 17

ataxia, dysmetria (undershoot/overshoot positioning)

Answer 17

PICA; inferior cerebellar peduncle

Question 18

Middle and inferior cerebellar peduncles.

Answer 18

AICA

Question 19

􏰂gag reflex decreased

Answer 19

PICA (nucleus ambiguus)

Question 20

􏰂pain and temperature sensation from ipsilateral face and contralateral body

Answer 20

PICA; lateral spinothalamic tract and spinal trigeminal nucleus

Question 21

Lateral medullary (Wallenberg) syndrome symptoms

Answer 21

Vomiting, vertigo, nystagmus; 􏰂pain and temperature sensation from ipsilateral face and contralateral body; dysphagia, hoarseness,􏰂gag reflex; ipsilateral Horner syndrome; ataxia, dysmetria.

Question 22

Sturctures involved in PICA stoke (wallenberg syndrome)

Answer 22

Lateral medulla—vestibular nuclei, lateral spinothalamic tract, spinal trigeminal nucleus, nucleus ambiguus, sympathetic fibers, inferior cerebellar peduncle.

Question 23

Lateral medullary (Wallenberg) syndrome.

Answer 23

PICA

Question 24

Nucleus ambiguus effects are specific to PICA lesions.

Answer 24

Hoarseness and dysphagia

“Don’t pick a (PICA) horse (hoarseness) that cant eat (dysphagia)”

Question 25

Lateral medulla—vestibular nuclei

Answer 25

PICA (Vomiting, vertigo, nystagmus)

Question 26

lateral spinothalamic tract

Answer 26

PICA

Question 27

Ataxia, dysmetria

Answer 27

AICA (Middle and inferior cerebellar peduncles.)

Question 28

structures involved in AICA stroke (Lateral pontine syndrome)

Answer 28

Lateral pons—cranial nerve nuclei; vestibular nuclei, facial nucleus, spinal trigeminal nucleus, cochlear nuclei, sympathetic fibers.

Question 29

Lateral pontine syndrome

Answer 29

AICA

Question 30

Facial nucleus effects are specific to AICA lesions. | “Facial droop means AICA’s pooped.”

Answer 30

Lateral pontine syndrome

Question 31

AICA: Lateral pons—cranial nerve nuclei; vestibular nuclei, facial nucleus, spinal trigeminal nucleus, cochlear nuclei, sympathetic fibers. Middle and inferior cerebellar peduncles.

Answer 31

Vomiting, vertigo, nystagmus. Paralysis of face,􏰂lacrimation, salivation,􏰂taste from anterior 2⁄3 of tongue. Ipsilateral􏰂pain and temperature of the face, contralateral􏰂pain and temperature of the body. Ataxia, dysmetria.

Question 32

PCA stroke symptoms

Answer 32

Contralateral hemianopia with macular sparing.

Question 33

PCA structures ?

Answer 33

Occipital cortex, visual cortex.

Question 34

Occipital cortex, visual cortex.

Answer 34

PCA

Question 35

Basilar artery

Answer 35

Pons, medulla, lower midbrain, corticospinal and corticobulbar tracts, ocular cranial nerve nuclei, paramedian pontine reticular formation.

Question 36

Pons, medulla, lower midbrain, corticospinal and corticobulbar tracts, ocular cranial nerve nuclei, paramedian pontine reticular formation.

Answer 36

Basilar artery

Question 37

"Locked in syndrome"

Answer 37

Preserved consciousness and blinking, quadriplegia, loss of voluntary facial, mouth, and tongue movements.

Question 38

"Locked in syndrome" artery?

Answer 38

Basilar artery

Question 39

Basilar artery symptoms?

Answer 39

Preserved consciousness and blinking, quadriplegia, loss of voluntary facial, mouth, and tongue movements. "locked in syndrome"

Question 40

paramedian pontine reticular formation

Answer 40

Basilar artery

Question 41

ocular cranial nerve nuclei

Answer 41

Basilar artery

Question 42

Pons, medulla, lower midbrain,

Answer 42

Basilar artery

Question 43

corticospinal and corticobulbar tracts

Answer 43

Basilar artery

Question 44

Contralateral hemianopia with macular sparing.

Answer 44

PCA

Question 45

Increase heart rate

Answer 45

beta 1

Question 46

vasodilation

Answer 46

beta 2

Question 47

Bronchodilation

Answer 47

beta

Question 48

vasoconstriction

Answer 48

alpha 1

Question 49

glycogenolysis and gluconeogenisis

Answer 49

beta 2

Question 50

lipolysis

Answer 50

beta 1

Question 51

decrease insulin release

Answer 51

apha 2

Question 52

increase insulin release

Answer 52

beta 2

Question 53

increase renin release

Answer 53

beta 1

Question 54

uterus contraction in non-prego woman

Answer 54

alpha 1

Question 55

uterus relaxation in near term woman

Answer 55

beta 2

Question 56

gut relaxation

Answer 56

beta 2 and alpha

Question 57

bladder sphincter contraction

Answer 57

alpha

Question 58

increase contractility of heart

Answer 58

beta 1

Question 59

increase systolic pressure

Answer 59

beta 1