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Quiz Bowl🌪️ > 2024 > Flashcards

2024 Flashcards

1
Q

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

A

Photo disintegration

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2
Q

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

A

Pair production

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3
Q

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

A

Compton scatter and photoelectric absorption

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4
Q

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

A

Quantum mottle

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5
Q

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

A

The patient

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6
Q

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

A

LAO/RPO

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7
Q

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

A

Polyps

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8
Q

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

A

Modified waters

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9
Q

A congenital anomaly of having a depressed sternum is known as

A

Pectins excavatum or funnel chest

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10
Q

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

A

Jefferson fracture

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11
Q

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

A

Neutral rotation or oblique shoulder

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12
Q

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

A

Surgical asepsis

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13
Q

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

A

Cerclage wire

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14
Q

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

A

Strike-through

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15
Q

A PA stress projection of the bilateral thumbs is known as

A

Folio method

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16
Q

Bone softening in children is also known as

A

Rickets

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17
Q

What degree of rotation for a medial oblique foot

A

30-40°

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18
Q

What is the CR point for above the diaphragm ribs

A

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

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19
Q

Legal theory meaning “ the thing speaks for itself”

A

Res Ipsa Loquitur

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20
Q

Picture element and the smallest component of the matrix is

A

Pixel

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21
Q

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

A

Detector saturation

22
Q

The true edge of an object as images radiographically is called

A

Umbra

23
Q

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

A

Remnant radiation

24
Q

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

A

Sievert

25
Q

All the body’s cells except germ cells are

A

Somatic cells

26
Q

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

A

10-50Gy or 1000-5000 Rad

27
Q

Lithium fluoride crystals are used in what common diagnostic radiology dosimeter

A

TLD or thermokuminescent doimeter

28
Q

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

A

Orthostatic hypotension

29
Q

Abnormal slowness of breathing

A

Bradypnea

30
Q

Volume of air inhaled and exhaled during one respiratory cycle

A

Tidal volume

31
Q

Processes of depolarization and repolarization of the cardiac membrane is called

A

Action potential

32
Q

Free from infection

A

Asepsis

33
Q

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

A

Vector

34
Q

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

A

Reservoir

35
Q

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

A

Atelectasis

36
Q

Abnormally increased concentration of glucose in the blood

A

Hyperglycemia

37
Q

Separation of the layers of a surgical wound

A

Wound dehiscence

38
Q

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

A

Vasogenic

39
Q

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

A

Pharmacokinetics

40
Q

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

A

Schedule 2

41
Q

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

A

Antiemetics

42
Q

Small glass bottle containing multiple doses of a drug

A

Vial

43
Q

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

A

LET

44
Q

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

A

Target theory

45
Q

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

A

Law of Bergonie and Triboneau

46
Q

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

A

Early nonstochastic or deterministic somatic effects

47
Q

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

A

Nonthreshold

48
Q

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

A

5 mSv

49
Q

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

A

PBL

50
Q

Radiation protection technique that reduces scatter by increasing OID

A

Air gap technique

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