Chapter 20 Radiology

Question 1

Radiologist:

Answer 1

MD-Reads x-rays and determines radiation therapy dosing

Question 2

Nuclear physician:

Answer 2

MD-Reads and orders Scans

Question 3

Posteroanterior (PA) view:

Answer 3

posterior source to anterior detector

Question 4

Anteroposterior (AP) view:

Answer 4

anterior source to posterior detector

Question 5

Abduction:

Answer 5

movement away from the midline

Question 6

Adduction:

Answer 6

movement toward the midline

Question 7

Eversion:

Answer 7

turning outward

Question 8

Extension:

Answer 8

lengthening or straightening a flexed limb

Question 9

Lateral decubitus:

Answer 9

lying down the side

Question 10

Prone:

Answer 10

lying on the belly

Question 11

Recumbent:

Answer 11

lying down

Question 12

Supine:

Answer 12

lying on back (face up)

Question 13

Radionuclides/radioisotopes:

Answer 13

Alpha particles, beta particles, gamma rays

Question 14

Nuclear medicine tests:

Answer 14

In vitro: test tube

In vivo: in the body

Question 15

Analysis of blood and urine:

Answer 15

Radioimmunoassay (RIA) uses radioactive chemicals and antibodies to detect hormones and drugs in the patient’s blood

Question 16

Radiopharmaceutical:

Answer 16

concentrates in organ

Question 17

Scintiscanner:

Answer 17

detection instrument produces picture

Question 18

Procedures using Radionuclides:

Answer 18

Bone scan
Lymphoscintigraphy
Positron emission tomography (PET) scan
PET/CT scan
Single-photon emission 3D computed tomography (SPECT)
Technetium Tc-99m sestamibi (Cardiolite) scan
Thallium 201 (Tl) scan
Thyroid scan

Question 19

Focus on PET scan:

Answer 19

Intravenous injection

Useful in treating stroke, epilepsy, Alzheimer disease, brain tumors, abdominal and pulmonary malignancies

Question 20

DICOM:

Answer 20

Digital Imaging and Communications in Medicine — for medical images and related information, defines the formats and protocols for medical images that can be exchanged with the data and quality necessary for clinical use

Question 21

Radiopaque:

Answer 21

Obstructing the passage of x-rays

Question 22

Scintigraphy

Answer 22

Diagnostic nuclear medicine test using radiopharmaceuticals and gamma cameras to create images