2024 REAL EXAM 50 QUESTIONS
AND CORRECT ANSWERS|AGRADE
C - Answer What is dynamic aperture?
A.aperture that varies with transmit
frequency B.aperture that decreases as
a function of time
C.aperture that increases with increasing focal
length D.aperture that changes as a function
of frame rate
A - Answer to which acoustic variable is penetration depth inversely related?
A.frequency
B.wavelength
C.period
D.propagation
speed
B - Answer which imaging mode requires a broadband
transducer? A.continuous wave doppler
B.Pulsed wave
doppler C.color flow
imaging D.harmonic
imaging
B - Answer what is the doppler shift frequency?
A.recieved ultrasound frequency multiplied by the transmitted ultrasound
frequency B.difference between the transmitted ultrasound frequency and
the received ultrasound frequency
C.sum of the transmitted and received ultrasound frequencies
D.ratio of the transmitted ultrasound frequency to the received ultrasound
frequency
A - Answer what is the potential effect of increasing the pulse repetition
frequency(PRF)?
A.Depth ambiguity
B.Decreased frame
rate C.Poor spatial
resolution
D.Decreased
penetration
B - Answer what is an advantage of using pulsed wave doppler
compared to continuous wave doppler?
A. higher echo sensitivity
B.ability to select sample
depth C.decreased display
of aliasing D.improved
temporal resolution
D - Answer what affects the beam width in the
,near field? A.Pulse repetition frequency
B. Pulse duration
C.Frame rate
D.Transducer
aperture
, D - Answer what is the advantage of using pulsed-wave doppler versus
continuous- wave doppler?
A.allows measurement of higher
velocities B.increases range
ambiguity
C.reduces the potential for
aliasing D.provides depth
specificity
D - Answer which parameter is target group C evaluating based on the
image? A.dead zone
B.dynamic
range C.axial
resolution
D.Horizontal distance accuracy
A - Answer In this image, which target group is used to evaluate dead
zone?
C - Answer which ultrasound parameter directly affects an ultrasound
beam's intensity?
A.TGC
B.operating
frequency
C.Output power
D.Frame rate
D - Answer the center frequency of a transducer depends primarily
upon which characteristics of the crystal?
A. width
B.length
C.spacing
D.thickne
ss
C - Answer which factor limits image
frame rate? A.transducer operating
frequency
B. Sample volume size
C.Speed of sound in
tissue D.Spatial pulse
length
A - Answer when using a 5MHZ transducer, in which tissue is the
ultrasound wavelength shortest?
A.fat