Page: 11 (Special Imaging) - 11%

Question 1

Which of the following presents structures in different planes with equal clarity?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 1

d.) CT

Question 2

Which of the following measures bone densities fro Osteoporosis?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 2

e.) DEXA (Dual Emission X-ray Absorptometry)

Question 3

Which of the following provides optimal visualization of spatial relationships and distinct soft tissue contrast to view: IVD, spinal cord, meninges, bone, meniscus or ligaments?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 3

c.) MRI

Question 4

Which of the following uses and injection of radioactive substance to measure the body “attempt” to lay down new bone?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 4

a.) Scintigraphy (aka: Bone Scan)

Question 5

Which of the following uses contrast and is 10x better than plane film?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 5

d.) CT

Question 6

Which of the following has no radiation dose and utilizes signal intensities using surface coils?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 6

c.) MRI

Question 7

Which of the following is best for lung pathology?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 7

d.) CT

Question 8

Which of the following is best for AVN’s?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 8

c.) MRI

Question 9

Which of the following is best for Multiple Sclerosis?

a. ) Scintigraphy
b. ) X-ray
c. ) MRI
d. ) CT
e. ) DEXA

Answer 9

c.) MRI

Question 10

CT is measured in _____ units?

Answer 10

Hounsfield units

Question 11

T1 MRI weighted is for _____?

T2 MRI weighted is for _____?

Answer 11

T1 = fatty pathologies, i.e. Muscular Dystrophy
T2 = water density, i.e. CSF and Disc's

Question 12

Scintigraphy (Bone Scan) uses an injection of radioactive substance called: _____?

Answer 12

Technetium 99

Question 13

What chemical substance is used in magnetic resonance imaging (MRI)?

Answer 13

Gadolinium

Question 14

What does it mean when a Scintigraphy (Bone Scan) is “HOT”?

Answer 14

means it’s Positive: AVN, Blastic/Lytic Mets, Paget’s, Hodgkin’s and fractures

Question 15

What does it mean when a Scintigraphy (Bone Scan) is “COLD”?

Answer 15

means it’s Negative (nothing is happening): Multiple Myeloma