Quiz 4

Question 1

A carotid aneurysm can only occur in the ICA or at the bifurcation.

T or F ?

Answer 1

F

Question 2

Ultrasound visualization of vessels inside the cranium requires what type of ultrasound examination?

Answer 2

transcranial Doppler (TCD)

Question 3

A transient ischemic attack (TIA) lasts ______ than 24 hours.

Answer 3

less

Question 4

Which is the optimal patient position for cerebrovascular scanning?

1. right lateral and left lateral decubitus
2. supine with the head turned slightly
3. sitting upright
4. spine with the neck hyperextended

Answer 4

2. supine with the head turned slightly

Question 5

The two types of strokes are _____ and _____.

Answer 5

ischemic
hemorrhagic

Question 6

!!!
What is Amaurosis Fugax?

Answer 6

My Ans:
complete vision loss of one eye

Amaurosis fugax is a *temporary loss of vision in one or both eyes

Question 7

If a patient experiences left-sided hemiparesis, you would suspect impairment of which brain hemisphere?

Answer 7

right

Question 8

!!!
Stroke symptoms from the neck and above (with the exception of **dysphasia and aphasia**) originate from the ________ side of the brain.

Answer 8

ipsilateral

Question 9

Homogeneous plaque is more dangerous/worrisome than heterogeneous plaque.

T or F ?

Answer 9

F

Question 10

What is the proper scan progression for Carotid artery imaging according to the NVCC protocol?

Answer 10

CCA, BULB, ECA, ICA, VERT

Question 11

The subclavian artery should be evaluated if the _________ artery is abnormal.

Answer 11

vertebral

Question 12

Which ICA abnormality may present itself as a “string of beads” appearance with elevated velocities?

Answer 12

fibromuscular dysplasia

Question 13

What type of stroke is caused by bleeding from a ruptured vessel?

1. emboli stroke
2. ruptured stroke
3. ischemic stroke
4. hemorrhagic stroke

Answer 13

4. hemorrhagic stroke

Question 14

This waveform best matches which artery?

Answer 14

ECA

Question 15

Which of the following neurological events do not typically cause permanent damage, but warn that disease may be present that can cause permanent damage, death, or disability?

Answer 15

RIND
TIA

Question 16

Which of the following causes permanent neurological damage?

Answer 16

CVA

Question 17

What is dysphagia?

Answer 17

difficulty swallowing

Question 18

If a patient experiences right arm paralysis, which Carotid artery should be suspected of having disease?

Answer 18

left

Question 19

!!!
A normal vertebral artery spectral waveform commonly demonstrates which type of flow?

1. A sharp upstroke & a good amount of diastolic flow
2. A dampened upstroke & a lot of diastolic flow
3. A sharp upstroke & no diastolic flow
4. A dampened upstroke, a well defined dicrotic notch, & a small amount of diastolic flow

Answer 19

1. A sharp upstroke & a good amount of diastolic flow

Question 20

Which of the following is true about Carotid body tumors?

1. may grow in size if untreated
2. low vascular mass
3. can not affect carotid hemodynamics
4. high malignancy rate

Answer 20

1. may grow in size if untreated

Question 21

What is the leading cause of stroke?

Answer 21

untreated HTN

Question 22

All of the following are characteristics of a Tardus Parvus waveform EXCEPT:

1. reduced velocities
2. diminished pulsatility
3. prolonged acceleration time
4. increased diastolic component

Answer 22

4. increased diastolic component

Question 23

A normal vertebral artery waveform demonstrates high or low resistance?

Answer 23

low

Question 24

Possible approaches on the neck for carotid studies include all EXCEPT:

1. posterolateral
2. inferosuperior
3. anteromedial
4. lateral

Answer 24

2. inferosuperior

Question 25

List the 2 surgical procedures utilized to treat Carotid artery disease.

Answer 25

Endarterectomy and stent for 2 procedures for Carotids