Practice Questions Flashcards
_______ is defined as the reduction of ultrasound intensity and amplitude of a sound wave.
A) attenuation
B) absorption
C) reflection
D) refraction
A) attenuation
Which of these is not a way sound is attenuated as it travels through the tissue?
A) absorption
B) reflection
C) refraction
D) scattering
C) refraction
_______ is an increase in echo amplitude returning from regions lying beyond an object that causes little or no attenuation of the sound beam. The artifact results in a brighter than normal appearance.
A) shadowing
B) enhancement
C) reflection
D) refraction
B) enhancement
Which of the following abnormal findings in the breast is commonly associated with enhancement?
A) DCIS
B) LCIS
C) lipoma
D) cyst
D) cyst
_______ is a reduction in echo amplitude distal to a strongly attenuating or reflecting structure. This artifact results in a less bright than normal appearance.
A) shadowing
B) enhancement
C) reflection
D) refraction
A) shadowing
Which of the following abnormal findings in the breast is commonly associated with shadowing?
A) lipoma
B) fluid filled structures, most likely benign
C) simple cysts
D) dense solid masses, most likely cancers
D) dense solid masses, most likely cancers
What should frame rate be set at to be considered “real time” scanning?
A) 5 frames per second
B) 8 frames per second
C) 10 frames per second
D) 15 frames per second
D) 15 frames per second
_______ is the appearance of having no internal echoes on a sonographic image.
A) anechoic
B) hyperechoic
C) hypoechoic
D) echopaque
A) anechoic
Which of the following is/are synonyms of anechoic?
A) echolucent
B) sonolucent
C) echopaque
D) a & b
D) echolucent and sonolucent
_______ is a region in a sonographic image where the echoes are not as bright as normal or are less bright than surrounding structures.
A) anechoic
B) hyperechoic
C) hypoechoic
D) echodense
C) hypoechoic
_______ is a region on a sonographic image where the echoes are brighter than normal or brighter than surrounding structures.
A) anechoic
B) hyperechoic
C) hypoechoic
D) sonolucent
B) hyperechoic
Which of the following is/are synonym(s) for hyperechoic?
A) echodense
B) sonodense
C) sonopaque
D) all of the above
D) all of the above
What transducer frequency range is critical in breast imaging?
A) 1.0-5.0 MHz
B) 7.0-15.0 MHz
C) 25.0-30.0 MHz
D) 40.0-50.0 MHz
B) 7.0-15 MHz
The higher frequency transducers yield superior axial and lateral resolution (detail.)
A) true
B) false
A) true
Increase transducer frequency _______ image detail.
A) decrease
B) increase
C) no change
B) increase
Increase transducer frequency _______ penetration.
A) decrease
B) increase
C) no changes
A) decrease
Increase transducer frequency _______ wavelength.
A) shorter
B) longer
C) no change
A) shorter
When should a lower frequency probe be used in breast imaging?
A) to visualize superior structures
B) to visualize skin surface
C) to visualize structures near the pectoral muscle
D) a & b
C) to visualize structures near the pectoral muscle
What effect does a low frequency transducer have on wavelength?
A) none
B) shorter
C) longer
C) longer
Linear array transducers are optimal for breast imaging.
A) true
B) false
A) true
Which of the following in NOT true about linear array transducers for breast imaging?
A) produces a triangular image
B) allows direct contact while scanning
C) maintains perpendicularity with chest wall
D) best for needle guidance
A) produce a triangular image
When would a lower frequency, curved array transducer be used in breast imaging?
A) when a mass is too large to fit the linear array
B) if the sound beam cannot penetrate deep in the breast tissues
C) never
D) a & b
D) when a mass is too large to fit the linear array and if the sound beam cannot penetrate deep in the breast tissue
When setting an appropriate depth, what landmark is routinely used in breast sonography?
A) pectoral muscle
B) between 3-6 cm
C) there is no set landmark
D) a & b
D) pectoral muscle and between 3-6 cm
What is the most frequently adjusted control on the ultrasound system?
A) receiver gain
B) output power
C) monitor brightness
D) none of the above
A) receiver gain
_______ is the amount of amplification applied to a returning echo.
A) output power
B) monitor brightness
C) transducer frequency
D) receiver gain
D) receiver gain
What patient factors influence changes in amplitude of the returning echoes?
A) breast size
B) breast thickness
C) tissue density
D) all of the above
D) breast size, thickness and tissue density
Which two controls function as receiver gain?
A) overall gain and monitor brightness
B) TGC and monitor brightness
C) overall gain and TGC
D) pulse wave and overall gain
C) overall gain and TGC
Overall gain controls the level of brightness at various depths.
A) true
B) false
B) false
What does ALARA stand for?
A) as low as reasonably achievable
B) as low as reasonably available
C) as low as responsibly achievable
D) as low as responsibly available
A) as low as reasonably achievable
Which control should be adjusted to limit patients’ exposure to ultrasound energy?
A) receiver gain
B) output power
C) TGC
D) none of the above
B) output power
Just like receiver gain, the output power secondarily controls the brightness of the ultrasound image.
A) true
B) false
A) true
According to ALARA, which control should be adjusted if the image is too bright?
A) receiver gain
B) overall gain
C) TGC
D) output power
D) output power
According to ALARA, which control should NOT be adjusted if the image is too dark?
A) receiver gain
B) overall gain
C) TGC
D) output power
D) output power
Elevation plane focus is pre set by the manufacturer.
A) true
B) false
A) true
High frequency transducers provide _______ in the elevation plane.
A) shallow focus
B) deep focus
C) all of the above
D) none of the above
A) shallow focus
A 10 MHz transducer has an elevation plane focal depth of approximately _______?
A) 15 cm
B) 10 cm
C) 1.5 cm
D) 1.0 cm
C) 1.5 cm
Which is NOT a way Doppler can provide more information about a mass?
A) determines cystic vs solid
B) determines inflamed vs non-inflamed
C) determines complex cyst vs complicated cyst
D) determines soft vs hard
D) determines soft vs hard
_______ is a decrease in echo amplitude distal to the edge of a structure.
A) posterior enhancement
B) edge shadowing
C) acoustic shadowing
D) reflection
B) edge shadowing
Edge shadowing artifact is the result from _______ of the sound beam.
A) reflection
B) scatter
C) refraction
D) all of the above
C) refraction
The pectoralis major muscle is more anterior to the pectoral is minor muscle.
A) true
B) false
A) true
Normal skin thickness is _______ thick.
A) 0.5-2.0 mm
B) 2.0-3.0 mm
C) 4.0-4.5 mm
D) 0.2-3.0 mm
A) 0.5-2.0 mm
How many collecting ducts converge at the nipple?
A) 5-10
B) 10-15
C) 15-20
D) 20-25
C) 15-20
What glands are sebaceous glands seen as small bumps on the surface of the areola?
A) mucinous glands
B) lactiferous glands
C) acini
D) Montgomery glands
D) Montgomery glands
All factors will increase the amount of fat in the breast EXCEPT.
A) advancing age
B) pregnancy
C) post radiation
D) obesity
C) post radiation
Where is the superficial fascia located?
A retromammary layer
B) premammary layer
C) dermal layer
D) subcutaneous layer
B) premammary layer
Where is the deep layer of the fascia located?
A) retromammary layer
B) premammary layer
C) dermal layer
D) subcutaneous layer
A) retromammary layer
What is the smallest functional unit of the breast?
A) Montgomery glands
B) acini
C) lobe
D) ductule
B) acini
What is considered the milk-producing gland?
A) Montgomery glands
B) acini
C) lobe
D) ductule
B) acini
There are _______ of acini in each breast.
A) thousands
B) millions
C) 15-20
D) hundreds
D) hundreds
TDLU stands for terminal ductal lobular unit.
A) true
B) false
A) true
What structures make up the TDLU?
A) one lobule
B) 30 acini
C) terminal ducts
D) all of the above
D) one lobule, 30 acini and terminal ducts
Where do nearly all breast pathology originate?
A) TDLU
B) retromammary zone
C) nipple
D) axilla
A) TDLU
Which of the following are/is synonym for the mammary layer?
A) glandular layer
B) parenchymal layer
C) none of the above
D) both A & B
D) glandular layer and parenchymal layer
The axillary tail of Spence is the portion or glandular tissue that extends from what quadrant of each breast?
A) UIQ
B) UOQ
C) LIQ
D) LOQ
B) UOQ
_______ is the functional tissue of the breast containing acini, TDLU, lobes, ducts, etc.
A) epithelial tissue
B) stromal tissue
C) erectile tissue
D) dermal tissue
A) epithelial tissue
_______ is the supportive tissue or framework of the breast containing cooper’s ligaments, fat and connective tissue.
A) epithelial tissue
B) stromal tissue
C) erectile tissue
D) dermal tissue
B) stromal tissue
Several lobes make up one lobule.
A) true
B) false
B) false
Which is NOT a layer of the lactiferous duct?
A) epithelium
B) myoepithelium
C) basement membrane
D) collagen
D) collagen
Which layers’ function is to propel milk within the duct toward the nipple?
A) epithelium
B) myoepithelium
C) basement membrane
D) collagen
B) myoepithelium
What quadrant of the breast has the most glandular tissue?
A) UOQ
B) UIQ
C) LIQ
D) LOQ
A) UOQ
What quadrant has the most incidence of breast cancer?
A) UOQ
B) UIQ
C) LIQ
D) LOQ
A) UOQ
Where does the milk line extend from?
A) axilla to pubis
B) axilla to umbilicus
C) axilla to inguinal
D) axilla to parenchyma
C) axilla to inguinal
_______ absence of one or both breasts.
A) amastia
B) polymastia
C) polythelia
D) amazia
A) amastia
_______ absence of the nipple.
A) amastia
B) polymastia
C) athelia
D) amazia
C) athelia
_______ accessory breast or more than two breasts.
A) amastia
B) polymastia
C) amazia
D) polythelia
B) polymastia
_______ absence of the breast tissue with development of the nipple.
A) amastia
B) athelia
C) polythelia
D) amazia
D) amazia
_______ accessory nipple.
A) amastia
B) polymastia
C) athelia
D) polythelia
D) polythelia
Which is the most common developmental anomaly of the breast?
A) amastia
B) polymastia
C) athelia
D) polythelia
D) polythelia
Which portion of the breast does the lateral thoracic artery supply?
A) lateral
B) medial
C) superior
D) inferior
A) lateral
Which portion of the breast does the internal mammary artery supply?
A) lateral
B) medial
C) superior
D) inferior
B) medial
Which portion of the breast does the intercostal artery supply?
A) lateral
B) medial
C) superior
D) inferior
D) inferior
Which portion of the breast does the thoracoacromial artery supply?
A) lateral
B) medial
C) superior
D) inferior
C) superior
Which are the 2 main arterial supplies of the breast?
A) lateral thoracic and internal mammary artery
B) thoracoacromial artery and intercostal artery
C) lateral thoracic and intercostal artery
D) thoracoacromial and internal mammary artery
A) lateral thoracic artery and internal mammary artery
Which are the two secondary arterial supplies of the breast?
A) lateral thoracic artery and internal mammary artery
B) thoracoacromial artery and intercostal artery
C) lateral thoracic artery and intercostal artery
D) thoracoacromial artery and internal mammary artery
B) thoracoacromial artery and intercostal artery
Which vein branches eventually carry blood to the superior vena cava?
A) superficial veins
B) carotid vein
C) pectoral vein
D) deep vein
D) deep vein
Which vein branches lie just beneath the superficial fascia?
A) superficial veins
B) carotid vein
C) pectoral vein
D) deep vein
A) superficial vein
Which of the following is included with the deep vein drainage?
A) lateral thoracic vein
B) internal mammary vein
C) axillary vein
D) subclavian vein
E) intercostal vein
F) all of the above
F) lateral thoracic, internal mammary, axillary, subclavian, and intercostal veins
What is the most common route for breast cancer to metastasize?
A) bloodstream
B) hematogenous route
C) lymph node route
D) both A and B
D) bloodstream and hematogenous route
How is bone metastasis from breast cancer thought to occur?
A) intercostal veins communicating with the vertebral vein
B) intercostal artery communicating with the vertebral vein
C) lymph nodes
D) breast cancer does not metastasize to the bones
A) intercostal veins communicating with the vertebral vein
Where are the intramammary lymph nodes found?
A) breast parenchyma
B) axilla
C) inferior to the pectoral muscle
D) none of the above
A) breast parenchyma