Radiographic images Block A

Question 1

Physical principle of the X-ray

Answer 1

image is produced due to variation in X-ray attenuation of different tissues

Question 2

the concept of ultrasound is derived from:

Answer 2

sonar

Question 3

Physical principle of nuclear medicine

Answer 3

Variable uptake of radioactive materials by different organs

Question 4

computed methods of imaging form images from _____ measurements of the interaction btw radiation and tissue

Answer 4

indirect

Question 5

the left vertebral artery branches from

Answer 5

the left subclavian artery

Question 6

internal thoracic arteries branch from

Answer 6

subclavian arteries

Question 7

vertebral arteries branch from

Answer 7

subclavian arteries

Question 8

vertebral arteries fuse to form

Answer 8

basilar artery

Question 9

the left pulmonary artery exits ______ than the right pulmonary artery

Answer 9

higher

Question 10

a black disc on L spine x ray is not good because

Answer 10

water is white, so a black disc is dehydrated

Question 11

uncovertebral joint-

Answer 11

formed between uncinate processes on the superior surface of a cervical vertebra and the inferiror surface of the vertebra above

Question 12

why is Y radiograph done?

Answer 12

to ensure that the humeral head is in the bony glenoid cavity

Question 13

fractures of the scapula are more easily seen on a

Answer 13

CT

Question 14

sail sign-

Answer 14

elbow joint filled with blood, producing a dark appearance on the radiograph

Question 15

TFCC

Answer 15

triangular fibrocartilage complex

Question 16

TFCC is formed by

Answer 16

triangular fibrocartilage discus, radioulnar ligaments, and ulnocarpal ligaments

Question 17

what two ligaments are on the AC joint?

Answer 17

conoid (central) and trapezoid (lateral)

Question 18

the joint important for stabilizing the shoulder anteriorly

Answer 18

coracohumeral ligament

Question 19

joint that limits abduction of humerus

Answer 19

coracoacromial ligament

Question 20

how do you detect separation in AC joint?

Answer 20

have patient hold weight for x ray to see if clavicle follows acromion down

Question 21

medial scapular fracture endangers what large structure

Answer 21

descending aorta

Question 22

collateral ligaments of the elbow joint

Answer 22

radial and ulnar ligaments

Question 23

sail sign can be detected because blood pushes what away from joint?

Answer 23

periarticular fat pad

Question 24

galeazzi fracture and dislocation-

Answer 24

fracture of the mid or distal radius with dislocation of the distal radioulnar joint

Question 25

monteggia fracture:

Answer 25

fracture of the proximal ulna with dislocation of the proximal radioulnar joint

Question 26

_______ is a good indicator of scaphoid fracture

Answer 26

snuff box tenderness

Question 27

oblique view of hand is used to visualize line made by

Answer 27

first metacarpal, trapezium, and scaphoid

Question 28

the first joint to begin breaking down in the body is the

Answer 28

joint between trapezium and 1st metacarpal

Question 29

central ligament of the AC joint is the

Answer 29

conoid

Question 30

lateral ligament of the AC joint is the

Answer 30

trapezoid

Question 31

loss of crisp line at either border of heart indicates

Answer 31

fluid in lung or pleural cavity

Question 32

over time, glands in female breast tissue atrophy and are replaced by:

Answer 32

fat

Question 33

lumps in breast with age that aren't cancerous are due to:

Answer 33

fibrocystic breast change. Glands are becoming fibrous

Question 34

when you want to view lungs on a radiograph, you should select a ______ window

Answer 34

broad/wide