MRI quiz brain questions

Question 1

what area does the external carotid artery supply blood?

Answer 1

face

Question 2

what area does the internal carotid artery supply blood?

Answer 2

anterior brain

Question 3

what area does the vertebral artery supply blood?

Answer 3

posterior brain

Question 4

where does the common carotid artery bifercate?

Answer 4

C3-C4 disc level

Question 5

What are three types of resolution seen in MR?

Answer 5

-spatial
-contrast
Temporal

Question 6

What is temporal resolution?

Answer 6

Ability to distinguish structural differences over time

Question 7

What is spatial resolution?

Answer 7

Ability to visualize small structures

Question 8

What is contrast resolution?

Answer 8

Ability to distinguish signal differences in adjacent structures.

Question 9

Which layer of the meninges is the hard, fibrous covering that adheres to the inner table of the skull?

Answer 9

Dura Mater

Question 10

Enlarged subarachnoid spaces located particularly around the base of the brain are called…

Answer 10

Cisterns

Question 11

Dips or grooves between the superficial bulges on the surface of the cerebrum are called…

Answer 11

Sulci…Sink

Question 12

All the following techniques should be employed except___ when imaging the pituitary gland.

a. Smal FOV
b. thin slices
c. fat saturation
d. increase in matrix

Answer 12

Fat saturation

Question 13

In order to visualize the internal auditory canal, high resolution images are acquired in which planes?

Answer 13

Axial and coronal

Question 14

In order to visualize the pituitary gland, which planes are most useful?

Answer 14

Sagittal and coronal

Question 15

Describe the appearance of a subacute intracranial hemorrhage (greater than 7 days).

Answer 15

High signal on both T1 and T2 weighted images

Question 16

On a sagittal view of the brain which sinus is visualized as anterior to the other? ethmoid and sphenoid

Answer 16

ethmoid

Question 17

Due to the low development of myelin in pediatric patients, it is very difficult to define gray/white matter structures. Which pulse sequence should be employed?

Answer 17

IR (inversion recovery)

Question 18

When scanning a patient’s head, the quadrature head coil is most likely used. this configuration indicates that current is transmitted and received through ___ channels or ports

Answer 18

two

Question 19

What structures make up the lentiform nucleus?

Answer 19

Putamen and globus pallidus

Question 20

Which of the following tumors grow slowly and originate from arachnoid tissue? they are routinely hypo-intense on T1-weighted images

Answer 20

Meningioma

Question 21

Which structures within the brain highlight after contrast due to then being outside the BBB?

Answer 21

Falx cerebri
Pineal gland
Pituitary gland/hypophysis
Infundibulum
Choroid plexus