Module 4

Question 0

The first and largest branch of each subclavian artery is the

Answer 0

Vertebral artery

Question 1

Which of the following is not a branch of the external carotid artery

Answer 1

Ophthalmic

Question 2

Periorbital circulation consist of what vessels

Answer 2

frontal, nasal, and supraorbital

Question 3

In the intracranial circulation, what is the most important collateral pathway with an occluded ICA

Answer 3

Anterior communicating artery

Question 4

Where is the carotid siphon located

Answer 4

Distally, in the cranium

Question 5

Which of the following becomes an extracranial to intracranial collateral route in the presence of significant ICA disease

Answer 5

Supraorbital and ophthalmic arteries via ECA branches

Question 6

A pulsatile mass in the neck could be an indication of

Answer 6

Tortuous common carotid artery

Question 7

A severe neurological deficit which does not reverse itself is classified as a

Answer 7

Stroke

Question 8

Which of the following is not related to atherosclerosis

Answer 8

Carotid dissection

Question 9

Which is the following is an uncontrollable risk factor for cerebrovascular disease

Answer 9

Age

Question 10

An overgrowth of collagen within the media layer of an artery, causing multiple stenosis is defined as

Answer 10

Fibromuscular Dysplasia

Question 11

A patient presents to the vascular department with symptoms of vertigo, bilateral visual disturbances, and ataxia. You should suspect.

Answer 11

Vertebrobasilar insufficiency

Question 12

A brachial systolic pressure difference of _____ from one arm to the other, indicates occlusion/stenosis on the side of the lower pressure.

Answer 12

Greater than 20 mmHg

Question 13

Which of the following is a rapid growth of the intimate following carotid endarterectomy

Answer 13

Neointimal hyperplasia

Question 14

A limitation of both duplex and transcranial Doppler imaging is

Answer 14

may over or underestimate the severity of a disease.

Question 15

Which of the following is an abnormal spectral Doppler interpretation.

Answer 15

‘Filling in’ of the spectral window

Question 16

Doppler waveforms from the intracranial vessels are similar to those obtained from the

Answer 16

Internal carotid artery

Question 17

The transorbital approach for transcranial Doppler is used to study the

Answer 17

Carotid siphon

Question 18

Which of the following is not a limitation of arteriography

Answer 18

Both intracranial and extracranial vessels can be assessed

Question 19

The initial treatment of cerebrovascular disease is

Answer 19

Control and reduction of risk factors

Question 20

All of the following intracranial vessels can be evaluated using the transtemporal window except

Answer 20

Posterior cerebral artery

Vertebral artery

Question 21

Normal direction of flow in the ipsilateral middle cerebral artery flow to the transducer using the transtemporal window is

Answer 21

Towards the transducer

Question 22

Using the transtemporal window, the normal flow in the ipsilateral posterior communicating artery is

Answer 22

Towards the transducer

Not visualized with temporal window approach

Question 23

After an endarterectomy stenosis can occur due to proliferation of intimal cells. This is referred to as

Answer 23

Neointimal hyperplasia