Quality assurance

Question 1

Routine, periodic evaluation of an ultrasound system to guarantee optimal image quality

Answer 1

Quality assurance

Question 2

Quality assurance must be performed

Answer 2

periodically and routinely

Question 3

Quality assurance should be based off of what standards

Answer 3

objective

Question 4

us features similar to soft tissue. Used to evaluate characteristics such as gray scale and tissue texture

Answer 4

Tissue equivalent phantom

Question 5

Devices of choice for evaluating doppler systems including pw, cw, color doppler, and power mode

Answer 5

Doppler phantom

Question 6

Doppler phantoms include these 3 things

Answer 6

vibrating string, moving belt, and flow phantom

Question 7

Assesses slice thickness and its effect upon image accuracy

Answer 7

Slice thickness phantom

Question 8

Ability of a system to display low level echoes

Answer 8

sensitivity

Question 9

Sensitivity forms

Answer 9

normal or maximum

Question 10

At what interval should quality assurance evals be performed

Answer 10

routinely

Question 11

What form of resolution is evaluated by visualizing closely spaced pins that are parallel to the sound beams main axis

Answer 11

axial resolution

Question 12

Form of resolution is evaluated by measuring the width of reflections arising from small, point targets

Answer 12

lateral resolution

Question 13

With a tissue equivalent phantom, the dead zone is the

Answer 13

shallowest depth

Question 14

Higher frequencies have ___ dead zones

Answer 14

thinner

Question 15

The accuracy of reflector depth positioning in A mode, M mode, B mode and 2d imaging is called

Answer 15

depth calibration

Question 16

Studies the interaction between the sonographer, patient, and equipment in order to maintain safety

Answer 16

Ergonomics

Question 17

OSHA stands for

Answer 17

Occupational safety and health administration

Question 18

What provides the basis for informed consent

Answer 18

Autonomy

Question 19

Avoidance of unnecessary risk, harm, or needless injury

Answer 19

nonmaleifcence

Question 20

Describes the value that the actions of health care providers should benefit the patient

Answer 20

beneficence

Question 21

When can a patient revoke consent

Answer 21

Anytime

Question 22

Following the revocation of consent, when should the sonographer terminate the exam

Answer 22

At the first opportunity when its safe

Question 23

Percentage of sonographers are thought to experience musculoskeletal pain related to work

Answer 23

80%

Question 24

Guidelines to minimize the risk of health care workers to contract bloodborne infection have been developed. What are these guidelines called

Answer 24

Standard precautions

Question 25

Study of the relationship between a worker and their environment

Answer 25

Ergonomics

Question 26

What is the first action of sonographers upon entering a patients room

Answer 26

Introducing themselves

Question 27

When a patient does not have a wrist band on and is sedated the sonographer should

Answer 27

Call the nurse