CNS Final Kahoot Review

The cortical area that controls the arm is perfused by

a. PICA

b. MCA

c. ACA

d. AICA

b. MCA (middle cerebral artery)

An ACA stroke affecting the parietal lobe will lead to

a. ipsilateral/loss of sensation of arm

b. contralateral/loss of sensation of arm

c. ipsilateral/loss of sensation of leg

d. contralateral/loss of sensation of leg

d. contralateral/loss of sensation of leg

T/F The posterior spinal arteries perfuse the bulk of the spinal cord

False (2 posterolateral spinal arteries that do 1/3 of work)

Which of these tracts is pyramidal?

a. corticospinal

b. tectospinal

c. vestibulospinal

d. rubrospinal

a. corticospinal

An MCA stroke affecting the frontal lobe will lead to

a. ipsilateral weakness of the arm

b. contralateral weakness of the arm

c. ipsilateral weakness of the leg

d. contralateral weakness of the leg

b. contralateral weakness of the arm

A lateral hemisection of the cord could present with which deficit?

a. ipsilateral loss of motor control

b. ipsilateral loss of pain and temperature

c. contralateral loss of DCML

d. contralateral loss of fine touch and proprioception

a. ipsilateral loss of motor control

Which of these tracts is voluntary?

a. corticospinal

b. tectospinal

c. vestibulospinal

d. rubrospinal

a. corticospinal

A right-sided lateral spinal cord transection at T9 could lead to

a. left leg weakness

b. right arm weakness

c. right leg numbness (fine touch)

d. right arm numbness

c. right leg numbness (fine touch)

Multi Select: Anterior Spinal artery compromise may lead to:

a. bilateral loss of fine touch/proprioception

b. bilateral loss of motor control

c. bilateral loss of pain and touch

b. bilateral loss of motor control

c. bilateral loss of pain and touch

If a sensory tract decussates, which neuron will do so?

a. second order: 2nd

b. third order: 3rd

c. first order: 1st

a. second order: 2nd

Fine touch, vibration, and conscious proprioception are all transmitted via which tract?

a. spinocerebellar

b. corticospinal

c. DCML

d. Rubrospinal

c. DCML

Which structure is NOT considered and upper motor neuron?

a. basal ganglia

b. superior colliculus

c. red nucleus

d. precentral gyrus

a. basal ganglia

A left-sided hemisection of the cord could present with which deficits?

a. right loss of motor control

b. right loss of pain and temperature

c. right loss of fine touch and proprioception

d. left loss of DCML

b. right loss of pain and temperature

d. left loss of DCML

The cortical area that controls the foot is perfused by

a. PICA

b. MCA

c. ACA

d. AICA

c. ACA

An MCA stroke affecting the parietal lobe will lead to

a. contralateral loss of sensation of the arm

b. contralateral loss of sensation of the leg

c. ipsilateral loss of sensation of the arm

d. ipsilateral loss of sensation of the leg

a. contralateral loss of sensation of the arm

An ACA stroke affecting the frontal lobe will lead to

a. ipsilateral weakness of the arm

b. contralateral weakness of the arm

c. ipsilateral weakness of the leg

d. contralateral weakness of the leg

d. contralateral weakness of the leg

The most common stroke affects the ______ via _______

a. MCA; ischemic

b. MCA; hemorrhagic

c. ACA; ischemic

d. ACA; hemorrhagic

a. MCA; ischemic

The major output of the cerebellum

a. DCN

b. Purkinjie cells

a. DCN

The most common stroke will present with

a. contralateral face and arm weakness

b. ipsilateral face and arm weakness

c. ipsilateral leg and trunk weakness

d. contralateral leg and trunk weakness

a. contralateral face and arm weakness

A cerebral stroke would affect ____, and will create____?

a. UMN, contralateral deficits

b. UMN, ipsilateral deficits

c. LMN, contralateral deficits

b. LMN, ipsilateral deficits

a. UMN, contralateral deficits

Which tract does NOT decussate in the medulla oblongata?

a. rubrospinal

b. cuneatus fasiculus

c. lateral corticospinal

d. gracius fasiculus

a. rubrospinal