Head and brain

Question 1

T or F: Perfusion imaging usually requires a bolus of gadolinium to help visualize the activity of a lesion.

Answer 1

true

Question 2

What sequence would be most helpful in diagnosing MS?

Answer 2

Sagittal FLAIR

Question 3

T or F: Fat saturation techniques are valuable when imaging the orbits post contrast due to the presence of orbital fat

Answer 3

true

Question 4

T or F: Careful timing of post contrast pituitary scans is important because eventually the pituitary gland enhances itself, as well as a microadenoma, if present

Answer 4

true

Question 5

Propellers, Blades, MultiVane, and Jet sequences are performed to:

Answer 5

reduce motion artifacts

Question 6

Which cranial nerve has receptors for the sense of smell?

Answer 6

CN I (Olfactory)

Question 7

The DWI is usually performed with ______________________aligned slices.

Answer 7

axial

Question 8

Contrast is used to assess what

Answer 8

tumors
metastases
age of infarct
active MS plaques

Question 9

Axial slices through the brain are typically aligned with what anatomical structures

Answer 9

parallel to the genu and splenium of the corpus callosum

Question 10

T or F: Closed and open mouth views are performed for TMJs.

Answer 10

true

Question 11

What sequences is known for its sensitivity to magnetic susceptibility?

Answer 11

GRE

Question 12

Alignment for the axial images of the brain, are usually set up on the ________ series of images.

Answer 12

sagittal

Question 13

What is another word for bulging of one or both eyes

Answer 13

proptosis

Question 14

what is a demyelinating disease of the CNS

Answer 14

Multiple sclerosis

Question 15

Indications for and MRA of the Head include :

Answer 15

Intracranial vascular assessment of aneurysms and infarcts

Question 16

Axial slices through the head/brain are prescribed from:

Answer 16

inferior to superior

Question 17

what contributes to the structure of the bony orbit

Answer 17

lacrimal, sphenoid, and frontal

Question 18

Axial images of the orbits are angled with the

Answer 18

optic nerve

Question 19

Which of the following best describes the appearance of acute stroke on an axial DWI?

Answer 19

bright

Question 20

For imaging of the brain, the patient is usually lying ____________on the couch/table

Answer 20

supine

Question 21

T or F: The main source of artifact in the brain is from flow motion of the popliteal artery

Answer 21

false

Question 22

You are performing a pituitary scan. On a sagittal image you are setting up your slices for the coronal slices. Your alignment set up should be __________________.

Answer 22

parallel to the sella turcica

Question 23

T or F: Careful timing of post contrast pituitary scans is important because eventually the pituitary gland enhances itself, as well as a microadenoma, if present.

Answer 23

true

Question 24

When positioning a patient for a head MRI exam, their _____________should be parallel to the couch/table

Answer 24

IPL

Question 25

Common sources of artifact for an orbital MR exam include all of the following except:

Answer 25

zipper artifact

Question 26

Which cranial nerve provides motor control to the muscles of mastication and relays sensory information from the face and the head

Answer 26

5th

Question 27

what would best demonstrate hemorrhage

Answer 27

GRE

Question 28

what sequences provides temporal resolution of enhancing lesions and indicates brain activity?

Answer 28

perfusion

Question 29

Sagittal TMJ images are angled with

Answer 29

perpendicular to the mandibular condyles

Question 30

What sequence can used in placed of TOF imaging

Answer 30

MRA and MRV

Question 31

Which sequence is the most important for a stroke victim

Answer 31

DWI

Question 32

Which landmark is used for positioning centering/localizing with the red laser light

Answer 32

glabella/nasion

Question 33

Which lobe of the brain is scanned for seizure protocol

Answer 33

temporal

Question 34

Sagittal slices through the head are prescribed from

Answer 34

left to right

Question 35

Setting up the sagittal slices is best and often easiest to be achieved using the _________ series of images of the 3-plane localizer.

Answer 35

coronal

Question 36

The b value determines the:

Answer 36

amount of diffusion weighting on an image

Question 37

T or F: The FLAIR sequences should only be done pre-contrast due to their T1 weighting.

Answer 37

false

Question 38

A DWI is most often acquired using a ____________ sequence.

Answer 38

T2 EPI

Question 39

When performing a CSF study image, the sequence will be a made of a _______________slice.

Answer 39

sagittal

Question 40

T or F: Coverage for axial slices includes the foramen magnum to the superior surface of the brain

Answer 40

true

Question 41

what protocols would include slices through the temporal lobes

Answer 41

seizures

Question 42

Which exam may have the most issue if the patient is wearing eye make-up

Answer 42

orbits

Question 43

_______________slices are recommended post-contrast for the pituitary gland images

Answer 43

thin

Question 44

To image the veins of the head:

Answer 44

pre-saturation pulse is placed inferior to the FOV

Question 45

Axial slices prescribed for an orbit exam should be aligned/angled to:

Answer 45

to the optic nerve

Question 46

For uncooperative patient, a tech can use a _______________series for rapid imaging

Answer 46

SS-FSE T2

Question 47

T or F: There are four ventricles in the brain.

Answer 47

TRUE

Question 48

Cranial nerve matching : | I

Answer 48

smell

Question 49

Cranial nerve matching : | II

Answer 49

vision

Question 50

Cranial nerve matching : | III

Answer 50

eye movement

Question 51

Cranial nerve matching : | IV

Answer 51

turns eye downward and lateral

Question 52

Cranial nerve matching : | V

Answer 52

chewing

Question 53

Cranial nerve matching : | VI

Answer 53

turns eye laterally

Question 54

Cranial nerve matching : | VII

Answer 54

controls facial expressions

Question 55

Cranial nerve matching : | VIII

Answer 55

controls hearing and equilibrium

Question 56

Cranial nerve matching : | IX

Answer 56

controls taste

Question 57

Cranial nerve matching : | X

Answer 57

slows heart rate

Question 58

Cranial nerve matching : | XI

Answer 58

controls the trapezius and SCM

Question 59

Cranial nerve matching : | XII

Answer 59

controls tongue movement