chapter 1 introduction

Question 1

Anechoic

Answer 1

portion of an image that appears echo-free

Question 2

Echogenic

Answer 2

An organ or tissue that is capable of producing echoes by reflecting the acoustic beam

Question 3

Echopenic

Answer 3

A structure that is less echogenic

Question 4

Heterogeneous

Answer 4

Have several different echo characteristics

Question 5

Homogeneous

Answer 5

Echoes of equal intensity

Question 6

Hyperechoic

Answer 6

Echoes brighter than surrounding tissues

Question 7

Hypoechoic

Answer 7

Not as bright as surrounding tissues

Question 8

Isoechoic

Answer 8

equal echo density

Question 9

Ipsilateral

Answer 9

Located on the same side of the body

Question 10

Contralateral

Answer 10

Located on the opposite side of the body

Question 11

This plane runs vertically through the body separating it into equal right and left halves

Answer 11

Sagittal

Question 12

Divides the body into equal right and left halves

Answer 12

Midsagittal

Question 13

This plane runs vertically through the body and divides the body into anterior and posterior portions

Answer 13

Coronal

Question 14

Divide the body into superior and inferior portions

Answer 14

Transverse

Question 15

When performing a neurosonography exam the top of the image represents which scanning surface

Answer 15

Superior

Question 16

If a kidney stone is diagnosed with an abdominal sonogram but further testing reveals that the kidney is normal what is this result called

Answer 16

A false-positive result

Question 17

If a kidney stone is diagnosed with an abdominal sonogram and further testing also finds a kidney stone what is this result called

Answer 17

A true positive result

Question 18

If the abdominal sonogram appears normal but a CT exam reveals a mass in the liver what is this result called

Answer 18

A false-negative result

Question 19

If the number of false-negative exams increase what happens to the sensitivity of the exam

Answer 19

The sensitivity will decrease

Question 20

What term describes the ability of the exam to find diseases that are present and not find diseases that are not truly present

Answer 20

Accuracy

Question 21

Defines how well an exam documents normal findings or excludes patients without disease

Answer 21

Specificity

Question 22

Defines how well an exam documents what ever disease or pathology is present

Answer 22

Sensitivity

Question 23

When scanning in the longitudinal , sagittal plane, where is the transducer indicator located in relation to the organ of interest

Answer 23

at the 12:00 position

Question 24

When scanning in the transverse plane, where is the transducer indicator located in relation to the organ of interest?

Answer 24

At the 9:00 position

Question 25

Exhibits both anechoic and echogenic areas on an image

Answer 25

Complex

Question 26

Fluid filled structures, such as the gallbladder, urinary bladder, or simple cysts appear as

Answer 26

Anechoic