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Exam one 220 and 221 > Key Terms: Introduction to Scanning > Flashcards

Key Terms: Introduction to Scanning Flashcards

1
Q

Plane perpendicular to the long axis of the body; axial view

A

Transverse Plane

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2
Q

Toward the head

A

Cephalic

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3
Q

The prudent use of ultrasound to limit patient exposure; as low as reasonably achievable

A

ALARA

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4
Q

Artifact resulting from reduced echo amplitude or echo drop off posterior to a structure that attenuates the sound beam

A

Acoustic shadows

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5
Q

Anechoic structure, with well defined posterior wall, and acoustical enhancement

A

Cyst

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6
Q

The point at which the sound beam is the narrowest and the image resolution is best

A

Focal zone

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7
Q

Echo free appearance on ultrasound

A

Anechoic

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8
Q

New growth of tissue may be benign or malignant

A

Neoplasm

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9
Q

Older term used to describe a structure that is anechoic

A

Sonolucent

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10
Q

Used to describe a mass that is composed of tissue and fluid

A

Complex mass

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11
Q

On or toward the side

A

Lateral

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12
Q

An artifact that demonstrates increased echo amplitude posterior to a structure that does not impede sound transmission

A

Acoustical enhancement

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13
Q

Situated toward the surface

A

Superficial

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14
Q

Two or more cursors that can be moved to calculate distance or size

A

Calipers

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15
Q

Decrease in the intensity of the sound beam as it passes through a structure

A

Attenuation

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16
Q

Internal, situated away from surface

A

Deep

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17
Q

Few echoes

A

Echopenic

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18
Q

Situated closest to the point of origin

A

Proximal

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19
Q

Scale of achromatic colors having multiple shades from black to white

A

Gray scale

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20
Q

Lying down on the left side rotated toward back approximately 45 degrees

A

Left posterior oblique

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21
Q

Tissue composing an organ

A

Pleural

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22
Q

Term used to describe a mass that is composed of tissue

A

Solid

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23
Q

Lying down

A

Decubitus

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24
Q

Reflections on the ultrasound image that are not real or obscure the desired object

A

Shadowing

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25
Q

Affecting or situated on the opposite side

A

Contralateral

26
Q

Aka acoustic or posterior enhancement

A

Through transmission

27
Q

Degenerative or death of tissues

A

Necrotic

28
Q

The sonographic appearance of soft tissue structures within the body

A

Echo texture

29
Q

Lying on the right side of the body

A

Right lateral decubitus

30
Q

Lying down on the ride side rotating approximately 45 degrees toward the front

A

Right inferior oblique

31
Q

Structure that is able to produce echoes

A

Echogenic

32
Q

Abnormal destructive cells that divide and spread to other parts of the body (cancer)

A

Malignant

33
Q

Substance used to reduce air between the transducer and the skin to allow sound waves to travel in the body

A

Coupling agent

34
Q

Plane that divides the body lengthwise in to right and left sides

A

Sagittal plane

35
Q

Pertains to the body as a whole

A

Systemic

36
Q

Boundary definitions between 2 structures

A

Interface

37
Q

Lying down on the right side rotated toward back approximately 45 degrees

A

Right posterior oblique

38
Q

At right angles; perpendicular

A

Orthogonal

39
Q

The distance the sound beam travels from the transducer in the body; adjusted by sonographer

A

Depth

40
Q

Pertains to length-lengthwise

A

Longitudinal plane

41
Q

Lying toward the midline of the body

A

///

42
Q

Same echogenicity as surrounding tissues

A

Isoechoic

43
Q

Toward the midline of body

A

Medial

44
Q

Irregular echo pattern; usually used to describe parenchymal changes

A

Heterogenous

45
Q

Lying down of the left side approximately 45 degrees toward the front

A

Left anterior oblique

46
Q

Directed towards the front

A

Anterior

47
Q

Situated on the same side

A

Ipsilateral

48
Q

Non cancerous; does not spread throughout the body

A

Benign

49
Q

Toward the head

A

Superior

50
Q

Toward the feet

A

Caudal

51
Q

Situated or directed toward the back

A

Posterior

52
Q

Fluid structure that does not meet the criteria to be a true cyst

A

Cystic

53
Q

Laying flat on the ventral side

A

Prone

54
Q

Smooth or uniform echo pattern

A

Homogenous

55
Q

Echoes are not as bright as surrounding tissues

A

Hypoechoic

56
Q

Lying on the back

A

Supine

57
Q

Lying on the left side of body

A

Left lateral decubitus

58
Q

Resistance that material provides to the passage of sound waves

A

Impedance

59
Q

Imaging parallel to the long axis of the body and perpendicular to scanning plane (anterior posterior)

A

Coronal plane

60
Q

Echoes are brighter than surrounding tissues

A

Hyperechoic

Exam one 220 and 221 (6 decks)

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