2024

Question 1

Which interaction of x-radiation with soft tissue occurs when energy levels are above 10 MeV and energy is absorbed by the nucleus after collision with a high-energy photon

Answer 1

Photo disintegration

Question 2

Which interaction of x-radiation with soft tissue occurs when energy levels are above 1.022 MeV and the energy disappears after interaction with the nucleus becoming 2 new particles that

Answer 2

Pair production

Question 3

What 2 interactions of x-radiation with matter are most important in diagnostic radiology

Answer 3

Compton scatter and photoelectric absorption

Question 4

The primary factor that affect the quality of the fluoroscopic image are contrast, resolution, distortion,________

Answer 4

Quantum mottle

Question 5

The primary source of exposure to the radiographer and radiologist in fluoro is

Answer 5

The patient

Question 6

The barium enema position that best demonstrates the left colic flexure and descending colon full of barium is

Answer 6

LAO/RPO

Question 7

Barium filled saclike projections projecting inward into the lumen of the bowel are termed

Answer 7

Polyps

Question 8

Which projection of the skull/face will best demonstrate a blowout orbital fracture

Answer 8

Modified waters

Question 9

A congenital anomaly of having a depressed sternum is known as

Answer 9

Pectins excavatum or funnel chest

Question 10

A radiographic appearance of bilateral offset or spreading of the lateral masses of C1 relative to the dens is indicative of a ________fx also known as an axial loading injury

Answer 10

Jefferson fracture

Question 11

Which projection of the shoulder places the epicondyles at a 45° angle to the IR

Answer 11

Neutral rotation or oblique shoulder

Question 12

The practice and procedures used to minimize the levels of infectious agents present in the surgical environment is called

Answer 12

Surgical asepsis

Question 13

Orthopedic wire that tightness around fx sites to reduce shortening of a limb is called

Answer 13

Cerclage wire

Question 14

Soaking of moisture through a sterile or nonsterile drape,cover or protective barrier, permitting bacteria to reach sterile areas is called

Answer 14

Strike-through

Question 15

A PA stress projection of the bilateral thumbs is known as

Answer 15

Folio method

Question 16

Bone softening in children is also known as

Answer 16

Rickets

Question 17

What degree of rotation for a medial oblique foot

Answer 17

30-40°

Question 18

What is the CR point for above the diaphragm ribs

Answer 18

T7 or 3-4”/8-10cm below the jugular notch

Question 19

Legal theory meaning “ the thing speaks for itself”

Answer 19

Res Ipsa Loquitur

Question 20

Picture element and the smallest component of the matrix is

Answer 20

Pixel

Question 21

Data drop that involves areas or regions of the digital detector is known as

Answer 21

Detector saturation

Question 22

The true edge of an object as images radiographically is called

Answer 22

Umbra

Question 23

All radiation exiting the patient during exposure and ultimately striking the receptor is called

Answer 23

Remnant radiation

Question 24

Unit in the international system used to measure the dose equivalent or biologic effectiveness of differing radiations

Answer 24

Sievert

Question 25

All the body’s cells except germ cells are

Answer 25

Somatic cells

Question 26

The dose required to produce a biologic response for a acute radiation syndrome in the GI system

Answer 26

10-50Gy or 1000-5000 Rad

Question 27

Lithium fluoride crystals are used in what common diagnostic radiology dosimeter

Answer 27

TLD or thermokuminescent doimeter

Question 28

A sudden drop in blood pressure in the brain when a person stands up quickly from sitting or supine is called

Answer 28

Orthostatic hypotension

Question 29

Abnormal slowness of breathing

Answer 29

Bradypnea

Question 30

Volume of air inhaled and exhaled during one respiratory cycle

Answer 30

Tidal volume

Question 31

Processes of depolarization and repolarization of the cardiac membrane is called

Answer 31

Action potential

Question 32

Free from infection

Answer 32

Asepsis

Question 33

A carrier, especially an animal that transfers an infective agent from one host to another

Answer 33

Vector

Question 34

Alternative pr passive host or carrier that harbors a pathologic organism, without injury to itself, can be a source of infection for others

Answer 34

Reservoir

Question 35

Medical condition in which the lungs are not fully inflated, can result in partial or complete collapse

Answer 35

Atelectasis

Question 36

Abnormally increased concentration of glucose in the blood

Answer 36

Hyperglycemia

Question 37

Separation of the layers of a surgical wound

Answer 37

Wound dehiscence

Question 38

This type of shock, also known as distributive shock, is caused by sepsis, deep anesthesia, or anaphylaxis

Answer 38

Vasogenic

Question 39

Study of metabolism and action of drugs with emphasis on time of absorption, duration of action, distribution in the body, and excretion

Answer 39

Pharmacokinetics

Question 40

Hydrocodone, cocaine, Demerol, methamphetamine, oxycodone, fentanyl are examples of drugs in this schedule

Answer 40

Schedule 2

Question 41

Compazine, phenergan, reglan, and zofran belong to which drug classification

Answer 41

Antiemetics

Question 42

Small glass bottle containing multiple doses of a drug

Answer 42

Vial

Question 43

The amount of energy transferred on average by incident radiation to an object per unit length of track is called

Answer 43

LET

Question 44

This explains cell death and nonfatal cell abnormalities caused by radiation exposure

Answer 44

Target theory

Question 45

Explains that radiosensitivity of cells is directly proportional to their reproductive activity and inversely proportional to their degree of differentiation

Answer 45

Law of Bergonie and Triboneau

Question 46

Effects that appear within minutes, hours, days or weeks after a substantial dose of ionizing radiation

Answer 46

Early nonstochastic or deterministic somatic effects

Question 47

This relationship means any radiation dose will produce a biologic effect because no dose is absolutely safe

Answer 47

Nonthreshold

Question 48

What is the dose limit to the embryo and fetus for the entire gestation period

Answer 48

5 mSv

Question 49

Electronic sensors in a cassette holder that send signals to the collimator housing and automatically adjust so the field size matches the IR

Answer 49

PBL

Question 50

Radiation protection technique that reduces scatter by increasing OID

Answer 50

Air gap technique