test prep

Question 1

Element

Answer 1

Smallest particle of a substance

Question 2

Atoms

Answer 2

Smallest particle of an element
1Mostly empty space
2 Electrons circle nucleus in rings

Question 3

Principle characteristic of “matter” (2)

Answer 3

Matter occupies space
Mass or weight

Question 4

Energy’s principle characteristic (3)

Answer 4

Movement or motion
The ability to do work
Electromagnetic energy is used in radiography

Question 5

Waves

Answer 5

Have height (amplitude) and frequency (wavelength)
Move at speed of light

Question 5

Particles

Answer 5

X-rays – can be described as negatively charged electrons/particles

Question 6

Photons

Answer 6

Smallest quantity of any type of electromagnetic radiation
Interact with matter as though particle
Specific energy dependent on frequency

Question 7

Energy and frequency directly proportional

Answer 7

As energy increases, frequency increases

Question 8

Radiation is

Answer 8

energy

Question 9

X-ray – a form of

Answer 9

ionized radiation

Question 10

X-ray travel in

Answer 10

straight line

Question 11

Lateral radiographs the head is on the

Answer 11

left and the legs are on the ground

Question 12

Principles of Protection

Answer 12

Time
Distance
Shielding

Question 13

Components of an X-ray Unit

Answer 13

1. High voltage transformer
2. Operating console (generator)
3. X-ray tube

Question 14

Cathode

Answer 14

It is negatively charged and aimed at the anode

Question 15

Anode

Answer 15

It has a positive charge

Question 16

2 types of Anode

Answer 16

1. Rotating
2. Stationary

Question 17

Anode Heel Effect

Answer 17

The intensity is greater on the cathode side.

Question 18

If fluid or mass, may need to increase by kVp by

Answer 18

15 %

Question 19

Barium advantages

Answer 19

1. Inexpensive
2. Excellent opacity and density
3. Does not become diluted with secretions

Question 20

Barium disadvantage

Answer 20

1. Insoluble in body – if leaked may induce granulomas or adhesions
2. Slow to transmit
3. Blocks ultrasound waves

Question 21

BIPS advantages

Answer 21

1. Not likely to aspirate or to cause peritonitis
2. Does not obscure abdominal detail
3. easy to administer

Question 22

BIPS disadvantages

Answer 22

1. Expensive
2. Cannot visualize mucosal detail or liminal margins

Question 23

Ionic Iodine advantages

Answer 23

1. Rapid transit
2. Can be absorbed across mucosa and excreted by the kidneys

Question 24

Ionic Iodine disadvantage

Answer 24

1. Expensive 2. Hypertonic which can cause fluid movement, peripheral vasodilation, 3. Injectable irritating to the CNS and can cause irritation to some tissues

Question 25

Nonionic Iodine advantages

Answer 25

1. Rapid transit 2. Fewer side effects because virtually isotonic with blood and CSF 3, Nonirritating

Question 26

Nonionic Iodine disadvantage

Answer 26

Expensive

Question 27

Negative Contrast

Answer 27

Air, nitrous oxide, oxygen and Black on image

Question 28

Barium Timing of Upper GI Dog 15 minutes

Answer 28

stomach and duodenum

Question 29

Barium Timing of Upper GI – Cat 5 minutes

Answer 29

stomach, can be in duodenum

Question 30

Barium Timing of Upper GI Dog 30 mins

Answer 30

some in stomach, most in duodenum and jejunum

Question 31

Barium Timing of Upper GI Cat 15 minutes

Answer 31

some in stomach, most in duodenum and jejunum

Question 32

Barium Timing of Upper GI – Dog 3-5 hours

Answer 32

small intestines empty

Question 33

Barium Timing of Upper GI – Cat 2 hours

Answer 33

small intestine empty