2nd semester: Motor 1 & 2

Question 1

characteristic of the receptor activated in an inverse myostatic reflex

Answer 1

located in the tendon

Question 2

sensory neuron monitors length of the muscle while doing bicep curl

Answer 2

annulospiral endings

Question 3

motor innervation of nuclear bag and chain

Answer 3

gamma motor endings

Question 4

tapping the brachiadialis tendon in brachioradialis(supinator) reflex, stimulates which stretch receptor

Answer 4

muscle spindle

Question 5

a porter is carrying a box for 30 mins, the sensory/afferent neuron affected is primarily monitoring the

Answer 5

tonic length of the muscle

Question 6

motor descending neural fibers originates mainly from the

Answer 6

frontal lobe

Question 7

ishemic stroke at the level of the midbrain will result in what posture of the patient

Answer 7

extended upper and lower extremity

Question 8

cerebellar region mostly concerned with motor learning is

Answer 8

lateral

Question 9

lower motorneuron injury is expected to have

Answer 9

fibrillations

Question 10

damage to the basal ganglia will manifest as

Answer 10

hypokinesia

Question 11

MRI showed embolus in the anterior cerebral artery. the patient will manifest

Answer 11

weakness of the upper ext and paralysis of the lower ext

Question 12

tumor in the intermediate lobe of the cerebellum will most likely manifest with

Answer 12

tremors of hand on activity

Question 13

jake quellen was observed to have jeryky, involuntary contractions of muscles of the shoulder and neck. what is the reason due to his condition?

Answer 13

degeneration of striatum-> disinhibition of striato-pallido external tract-> inhibition of thalamus and globus pallidus interna

Question 14

a mass compressing the left medial side of the upper midbrain will result in

Answer 14

outward Downward displacement of the left eyeball and right sided paralysis

Question 15

viral infection like poliomyelitis affecting the anterior horn cells will manifest with

Answer 15

denervation atrophy

Question 16

juneberrymae suffered an ishemic stroke on her right cerebrum, what is finna gunna happen?

Answer 16

decorticate posture on the left- no broca’s aphasia

Question 17

decerebrate posture is due to the INTACT ___ tracts.

Answer 17

vestibulospinal and reticulospinal

Question 18

a mass affecting the right tectal/dorsal surface of the lower midbrain will manifest with inability to move the

Answer 18

left eyeball towards the inferior lateral area

Question 19

the contraction of the muscles used in pushing a 69-wheeler truck is monitored by

Answer 19

nuclear chain innervated by annulospiral and flowerspray endings

Question 20

a patient with left bells palsy(viral infection affecting the facial motor nucleaus) will present with paralysis of

Answer 20

Left - upper

Lower - face