Lecture 120: Equine and Bovine Proximal limbs

Question 1

A rad marker is always ___ or ___

Answer 1

dorsal or lateral

Question 2

hang films with dorsal or cranial to the: left or right

Answer 2

left

Question 3

what is mAs

Answer 3

milliamps/second

Question 4

what does KVP stand for

Answer 4

kilovolt peak

Question 5

what is KVP

Answer 5

energy you take/wave generated that pushes electrodes to anode

Question 6

do we want mAs and KVP low or high to highlight bone

Answer 6

mAs high and low KVP

Question 7

what would the levels of KVP and MAs be if there was more gray and black

Answer 7

high KVP and low MAS

Question 8

which part of x-ray tube spins for cooling

Answer 8

anode

Question 9

what is an mA (milliampere) proportional to

Answer 9

of electrons produced

Question 10

the higher the mA= the more __

Answer 10

electrons boiling at the cathode

Question 11

MAs determines the # of __

Answer 11

electrons produced

Question 12

if you have a low kVP then contrast is __

Answer 12

enhanced- more differential attenuation of beam

Question 13

if you have a high kVP then less __ so decrease __

Answer 13

differential attenuation, decrease contrast

Question 14

what would be the expected kVp and mAs be for this image (high, low)

Answer 14

High mAs, low kVp

Question 15

What would you expect kVp and mAs to be for this image

Answer 15

High kVp and low mAs

Question 16

if you halve mAs increase kVp by __%

Answer 16

20%
(Same rule applies if you double mAs you decrease by kVp by 20%)

Question 17

increasing kVp will increase in fil __ due to higher proportion of __ and ___

Answer 17

blackness, higher photon number and higher photo penetration

Question 18

T or F: CT has no chemicals and still needs a computer processor

Answer 18

true

Question 19

t or F: CT is more expensive than digital radiographs

Answer 19

true

Question 20

T or f: digital radiography is fast process, 10 seconds from exposure to image

Answer 20

true

Question 21

t or f: digital radiography requires film

Answer 21

false

Question 22

what mAs has greatest exposure

Answer 22

4.0-8.0

Question 23

what wrong

Answer 23

fracture olecranon

Question 24

what type of scan is this

Answer 24

nuclear medicine scan

Question 25

what wrong

Answer 25

Medial proximal radial cyst

Question 26

what wrong

Answer 26

hip luxation

Question 27

How do you perform a standing radiograph of pelvis

Answer 27

1. Place cassette in inguinal region
2. Suspend x-ray tube over gluteal region
3. Abduct leg

Question 28

what wrong

Answer 28

subluxation of hip

Question 29

horse presents with puncture wound on left shoulder- what wrong and how do you know

Answer 29

sequestrum- 3 things required to sequestrum
1. Sequestra- bone
2. Involucrum- black area
3. Draining tract

Question 30

horse presents with swollen tarsus. Had clostridial diarrhea 2 weeks prior- tx and responded well. Lavage joint 4 days ago and now non-weight bearing

What wrong in rad and top differentials

Answer 30

1. Soft tissue swelling
2. Bone lysis
   Differentials: osteomyelitis., neoplasia

Question 31

what is the P type of septic joints in foals

Answer 31

infection in physis/metapyhsis

Question 32

what is E type of septic joints in foals

Answer 32

epiphyseal- subchondral bone infection

Question 33

what is type S in types of septic joints in foals

Answer 33

synovial membrane

Question 34

What wrong

Answer 34

acetabular fracture

Question 35

what wrong

Answer 35

capital physeal fracture

Question 36

what wrong

Answer 36

Cranial cruciate rupture