SPI Practice Questions with 100%
Correct Answers
TI-C – ANSWERS The thermal index for the cranial bone is expressed as:
TI-S
TI-B
TI-A
TI-C
20% - ANSWERSWhat percent of sonographers end their career because of a work-
related injury?
10%
15%
18%
20%
STIFFNESS - ANSWERSElastography is a technique which measures tissue:
Stiffness
Density
Mass
Echogenicity
REMAINS IN THE BODY - ANSWERSThe majority of acoustic energy which enters the
body:
Reflects
Remains in the body
Disappears
Is destroyed by white blood cells
SENSITOMETRY WEDGE PHANTOM - ANSWERSAll of the following are sonographic
ultrasound phantoms used for QA testing, except:
Slice thickness phantom
Sensitometry wedge phantom
Tissue equivalent phantom
Doppler phantom
It removes most microorganisms with the exclusion of some bacterial endospores -
ANSWERSWhich of the following is true of high-level disinfection?
It removes all microorganisms
,It removes most microorganisms with the exclusion of some bacterial endospores
It sterilizes the transducer
It removes most bacterial endospores with the exclusion of some microorganisms
720 mW/cm2 - ANSWERSTo reduce the probability of bioeffects, the U.S. Food and
Drug Administration (FDA) recommends limiting the SPTA intensity to:
520 mW/cm2
640 mW/cm3
720 mW/cm2
720 mW/cm3
1.9 - ANSWERSTo reduce the probability of bioeffects, the U.S. Food and Drug
Administration (FDA) recommends limiting the mechanical index to a value below:
1.9
2.3
4.5
10.0
1,560 m/s - ANSWERSThe propagation speed of sound in the human liver is
1,380 m/s
150 m/s
7,000 m/s
1,560 m/s
Increase the overall gain to a brighter imaging display - ANSWERSAll of the following
are methods in which the sonographer can implement ALARA, except:
Increase the overall gain to a brighter imaging display
Monitoring the thermal and mechanical indices
Mindfulness of dwell and scanning time
Using a low acoustic output to produce diagnostic images
The sonographer should ask the nurse to place a wristband on the patient. -
ANSWERSA sonographer takes the ultrasound unit portable to perform an examination
on a patient in the intensive care unit. The patient is sedated and does not have a
wristband. The patient's family members are in the patient's room. What is the
appropriate course of action?
The sonographer should ask the nurse to place a wristband on the patient.
The sonographer should check two patient identifiers with a family member.
The sonographer should explain the test to the patient and begin the exam.
The sonographer should ask the nurse to confirm patient demographics.
, Informed consent - ANSWERSWhich of the following is performed immediately prior to
an interventional procedure, allowing patients to make an educated and voluntary
decision regarding their health care?
Review of benefits
Signing of DNR
Informed consent
Creation of a will
0.7 - ANSWERSTo reduce the probability of bioeffects, the thermal index should be
limited to a value at or below:
0.7
0.9
2.5
3.8
The patient is a fall risk. - ANSWERSAn inpatient wearing yellow socks indicates:
The patient is a fall risk.
A pediatric patient that must be accompanied by parent or medical personnel.
The patient is not of sound mind.
The patient is fasting.
Patient's social security number - ANSWERSWhich of the following is not necessary on
an imaging order?
Ordering physician's signature
Patient's name and date of birth
Patient's social security number
The date the order was placed
a qualified health professional for the medical benefit of the patient. -
ANSWERSAccording to the AIUM, ultrasound should be performed by:
a sonographer whose licensure has expired.
a three-dimensional (3D) keepsake ultrasound clinic.
a licensed sonographer solely to determine the fetal gender.
a qualified health professional for the medical benefit of the patient.
20 - ANSWERSA group of 500 patient's undergo a digital subtraction angiography
(DSA) examination and ultrasound, with DSA being the gold-standard test. DSA finds
100 examinations positive for lower extremity arterial occlusion and 400 examinations
are negative. Of the 100 positive DSA examinations, ultrasound finds 80 positives. How
many ultrasounds are a false negative?
Correct Answers
TI-C – ANSWERS The thermal index for the cranial bone is expressed as:
TI-S
TI-B
TI-A
TI-C
20% - ANSWERSWhat percent of sonographers end their career because of a work-
related injury?
10%
15%
18%
20%
STIFFNESS - ANSWERSElastography is a technique which measures tissue:
Stiffness
Density
Mass
Echogenicity
REMAINS IN THE BODY - ANSWERSThe majority of acoustic energy which enters the
body:
Reflects
Remains in the body
Disappears
Is destroyed by white blood cells
SENSITOMETRY WEDGE PHANTOM - ANSWERSAll of the following are sonographic
ultrasound phantoms used for QA testing, except:
Slice thickness phantom
Sensitometry wedge phantom
Tissue equivalent phantom
Doppler phantom
It removes most microorganisms with the exclusion of some bacterial endospores -
ANSWERSWhich of the following is true of high-level disinfection?
It removes all microorganisms
,It removes most microorganisms with the exclusion of some bacterial endospores
It sterilizes the transducer
It removes most bacterial endospores with the exclusion of some microorganisms
720 mW/cm2 - ANSWERSTo reduce the probability of bioeffects, the U.S. Food and
Drug Administration (FDA) recommends limiting the SPTA intensity to:
520 mW/cm2
640 mW/cm3
720 mW/cm2
720 mW/cm3
1.9 - ANSWERSTo reduce the probability of bioeffects, the U.S. Food and Drug
Administration (FDA) recommends limiting the mechanical index to a value below:
1.9
2.3
4.5
10.0
1,560 m/s - ANSWERSThe propagation speed of sound in the human liver is
1,380 m/s
150 m/s
7,000 m/s
1,560 m/s
Increase the overall gain to a brighter imaging display - ANSWERSAll of the following
are methods in which the sonographer can implement ALARA, except:
Increase the overall gain to a brighter imaging display
Monitoring the thermal and mechanical indices
Mindfulness of dwell and scanning time
Using a low acoustic output to produce diagnostic images
The sonographer should ask the nurse to place a wristband on the patient. -
ANSWERSA sonographer takes the ultrasound unit portable to perform an examination
on a patient in the intensive care unit. The patient is sedated and does not have a
wristband. The patient's family members are in the patient's room. What is the
appropriate course of action?
The sonographer should ask the nurse to place a wristband on the patient.
The sonographer should check two patient identifiers with a family member.
The sonographer should explain the test to the patient and begin the exam.
The sonographer should ask the nurse to confirm patient demographics.
, Informed consent - ANSWERSWhich of the following is performed immediately prior to
an interventional procedure, allowing patients to make an educated and voluntary
decision regarding their health care?
Review of benefits
Signing of DNR
Informed consent
Creation of a will
0.7 - ANSWERSTo reduce the probability of bioeffects, the thermal index should be
limited to a value at or below:
0.7
0.9
2.5
3.8
The patient is a fall risk. - ANSWERSAn inpatient wearing yellow socks indicates:
The patient is a fall risk.
A pediatric patient that must be accompanied by parent or medical personnel.
The patient is not of sound mind.
The patient is fasting.
Patient's social security number - ANSWERSWhich of the following is not necessary on
an imaging order?
Ordering physician's signature
Patient's name and date of birth
Patient's social security number
The date the order was placed
a qualified health professional for the medical benefit of the patient. -
ANSWERSAccording to the AIUM, ultrasound should be performed by:
a sonographer whose licensure has expired.
a three-dimensional (3D) keepsake ultrasound clinic.
a licensed sonographer solely to determine the fetal gender.
a qualified health professional for the medical benefit of the patient.
20 - ANSWERSA group of 500 patient's undergo a digital subtraction angiography
(DSA) examination and ultrasound, with DSA being the gold-standard test. DSA finds
100 examinations positive for lower extremity arterial occlusion and 400 examinations
are negative. Of the 100 positive DSA examinations, ultrasound finds 80 positives. How
many ultrasounds are a false negative?
