Stroke Quiz

Question 1

Difference between Thrombus and Embolus?

Answer 1

Thrombus: plaque buildup in vessels that is stationary
Embolus: plaque buildup in vessels that has moved

Question 2

Characteristics of an MCA stroke?

Answer 2

1. Arm > leg weakness
2. Facial weakness
3. Aphasia problems

Question 3

Characteristics of an ACA stroke?

Answer 3

1. Leg > arm weakness
2. Leg > arm numbness
3. Confusion

Question 4

What is the Ashworth Scale?

Answer 4

Used to measure tone and spasticity.
0 = No increase in tone
4 = Affected part in rigid flexion and extension

Question 5

Gait pattern to ascend/descend stairs with cane and R CVA?

Answer 5

UP: R Leg, Cane, L Leg
DOWN: Cane, L Leg, R Leg

Question 6

How to position flaccid R CVA patient on unaffected side?

Answer 6

Side lying on R side with a pillow under head and behind back. R leg extended underneath hip with slight knee bend for balance. L leg is flexed at the hip and knee and supported by pillows. L arm is outstretched in front and supported by pillows.

Question 7

Facilitation techniques?

Answer 7

1. Tapping muscle belly
2. Stroking
3. Weight Bearing

Facilitation in PNF
1. Rhythmic Initiation
2. Alternating Iso
3. Slow Reversals
4. Slow Reversal Holds

Question 8

Inhibition techniques?

Answer 8

1. Deep Manual Pressure
2. WB through extremity
3. PROM (slow, rhythmic rotation)
4. Gentle Stretching

Question 9

What is the Circle of Willis?

Answer 9

Ring of arteries at the base of the brain that consists of 3 major arteries. If one artery is blocked off, the brain can still relieve blood supply through the Circle of Willis.

Question 10

What is the difference between hemorrhagic and ischemic stroke?

Answer 10

Hemorrhagic: blood leaks into the brain tissue (bleed)
Ischemic: clot stops blood supply to an area of the brain (clot) prenumbra area

Question 11

Which side of the brain produces aphasia when damaged?

Answer 11

Left hemisphere

Question 12

What is the difference between dysphagia and dysarthria?

Answer 12

Dysphagia: difficulty swallowing
Dysarthria: inability to talk

Question 13

What is the normal resting membrane potential of a neuron?

Answer 13

-70 milliVolts
-50 milliVolts to activate action potential

Question 14

What is left homonymous hemianopsia?

Answer 14

New inability to see things on R side of visual field, affecting both eyes no matter which eye is used.

Question 15

Why are signs and symptoms of Upper Motor Neuron Injury?

Answer 15

1. Hypertonia
2. Spasticity
3. Hyperreflexia

Question 16

Why are signs and symptoms of Lower Motor Neuron Injury?

Answer 16

1. Hypotonia
2. Hyporeflexia
3. Atrophy and Muscle Wasting
4. Flaccidity