XRAY CORE !

Question 1

What is the process of cell division of somatic cell ?

Answer 1

Mitosis

Question 2

Which of the following are in the correct order going from most to least radiosensitive ?

Answer 2

lymphoid epithelial, muscle

Question 3

Which of the following structure as a common passage way for both food and air ?

Answer 3

Pharynx

Question 4

The three parts of the pharynx are ?

Answer 4

nasopharynx, oropharynx, and laryngopharnyx

Question 5

what are the phase of mitosis ?

Answer 5

Prophase, Metaphase, anaphase, telophase

Question 6

Medical asepsis is the ___ of microorganisms in the immediate environment ?

Answer 6

Reduction without sterilization

Question 7

what does res ipsa loquitur mean ?

Answer 7

The things steaks for it self

Question 8

What does respondent superior mean

Answer 8

The master speaks for itself

Question 9

Which of the following materials in the most effective as protective barrier ?

Answer 9

Lead

Question 10

Which of the following is refers to the measuring of the quality of an x ray beam ?

Answer 10

Dosimetry

Question 12

How much can the whole body dose absorb, eyes, and extremities ?

Answer 12

Whole Body Dose 50mSv
Eyes 150mSv
Extremeties 500mSv

Question 13

When referring to the whole body dose what is not included

Answer 13

Hands & feet

Question 14

The dose equivalent limits for radiation workers based on which sources ?

Answer 14

Occupational Exposure

Question 15

The optically stimulated luminescence dosimeter used which of the following to detect radiation ?

Answer 15

Aluminum Oxide

Question 16

What is the equivalent dose limit for a embryo-fetus ?

Answer 16

5 mSv or 0.5 mSv per month

Question 17

What is the whole body dose limit for a 25 year old radiation worker ?

Answer 17

250 mSv
Occupational radiation cannot exceed his/her age time 10mSv

Question 18

What percentage of the primary exposure to the patient will reach a radiographer standing 1 meter away

Answer 18

0.1%

Question 19

What is the look up table ?

Answer 19

Is used to along with the histogram a file or stored images for each projection

Question 20

What are the four requirement for the X-ray production ?

Answer 20

A vacuum, a source of electrons, a target, and a high potential difference.

Question 21

Below 70% kvp-
Above 70% kvp -

Answer 21

Below - 100 % of Bremsstrahlung
Above - 85% of bremsstrahlung

Question 22

What is called when the results are uneven distribution of radiation intensity in the x ray beam

Answer 22

Anode heel affect

Question 23

Radiation that leaved the time housing by any mean other than through the window is called

Answer 23

Leakage

Question 24

A Recommendation that is necessary to meet the accepted standards is indicated by the use of which term

Answer 24

Shall

Question 25

Which of the following is best protection from radiation

Answer 25

Distance

Question 26

The primary radiation barrier in walls and other construction should be contained how much lead

Answer 26

1/16 inch lead The second Barriers are only required 1/32inch lead

Question 27

What is the radiation survey instrument ?

Answer 27

Cutie pie

Question 28

What is a cutie pie ?

Answer 28

Is an instrument designed to detect X-rays, gamma and beta radiation.

Question 29

Who is responsible for the governing the use of radiation sources ?

Answer 29

Radiation safety officer

Question 30

The primary factor for radiation protection

Answer 30

Time, distance and Shielding

Question 31

What is the primary factor in protecting radiographs from scatter radiation

Answer 31

Increasing distance from the patient

Question 32

What is the lead equivalency for the lead apron ?

Answer 32

0.5 mm lead

Question 34

To prevent leakage radiation from exposing the patient, the X ray tube must be how much protection lead ?

Answer 34

1.5mm

Question 35

What combines an automatic exposure control with a computerized technique chart

Answer 35

APT Anatomically Programed technique

Question 36

If a digital imaging system can record 10 lines per millimeter what is the spatial resolution ?

Answer 36

5 Ip/mm

Question 37

What is the following affects the attenuation of the x ray beam ?

Answer 37

Thickness of the body part, and type of tissue

Question 38

Which of follow would be demonstrate if the patient had a left posterior rib trauma ?

Answer 38

LPO & AP

Question 39

How many times must the primary beam scatter before reaching the radiographer behind the control booth ?

Answer 39

3

Question 40

What would cause an image to have low contrast ?

Answer 40

Long scale, Many shades of gray, high mAs

Question 41

What is the document that express a patient choice about his/her future cases ?

Answer 41

Living will

Question 42

What are the quality of an image that display on a monitor ?

Answer 42

Matrix size, Size of the field, Bit depth

Question 43

how does quantum noise appear on a digital image

Answer 43

grainy

Question 44

What is photoemission ?

Answer 44

Electrons when stimulated by light

Question 45

What is the correct American Heart Association guideline ?

Answer 45

Circulation, Airway, Breathing

Question 46

What is called when the radiation has passed through an anatomical part and is available for recording

Answer 46

Remnant (exit radiation)