Terry Reynolds (Cardiology/Medicine)
MULTIPLE CHOICE EXAMBANK MLATEST
UPDATED WITH ACCURATE AND
VERIFIED SOLUTIONS.
The coronary sinus can be differentiated from the descending thoracic
aorta with pulsed-wave Doppler because coronary sinus flow is
predominantly diastolic, while aortic flow is:
A. Equiphasic
B. Phasic
C. Predominantly diastolic
D. Predominantly systolic
Verified Answer -D
In standard imaging (M-mode and two-dimensional echocardiography),
the control that determines the amount of electrical energy transmitted to
the transducer from the pulser is:
A. Overall gain
B. Radiofrequency gain
C. Time gain compensation
D. Transmit power
Verified Answer -D
.Amplification of received signals is controlled by:
A. Output power
,B. Overall gain
C. Pulser power
D. Transmit power
Verified Answer -B
A method used to compensate for the attenuation of signals as a function
of time/depth along the ultrasound beam is:
A. Overall gain
B. Pulser power
C. Time gain compensation
D. Transmit power
Verified Answer -C
The control that selects the minimum signal amplitude to be displayed is:
A. Depth
B. Far gain
C. Output power
D. Reject
Verified Answer -D
The control that sets the upper limit to which ultrasound information will
be processed and displayed is:
A. Depth
B. Far gain
,C. Overall gain
D. Reject
Verified Answer -A
The control used when information from a precise point in the cardiac
cycle is required is the:
A. Electrocardiogram trigger
B. Overall gain
C. Reject
D. Time gain compensation
Verified Answer -A
The Doppler control that eliminates low-level frequency shifts is:
A. Filter
B. Gain
C. Output power
D. Sample volume length
Verified Answer -A
The control labeled Doppler sample volume depth:
A. Sets the range gate location for pulsed-wave Doppler B. Does not affect
the pulse repetition frequency
C. Does not affect the maximum velocity that can be displayed without
signal aliasing
, D. Is useful in continuous-wave Doppler
Verified Answer -A
The preferred transducer frequency for imaging a barrel-chested patient is:
A. 2.5 MHz
B. 3.5 MHz
C. 5.0 MHz
D. 7.0 MHz
Verified Answer -A
A maneuver that results in a decrease in venous return is:
A. Inspiration
B. Squatting
C. Straight leg raising
D. Valsalva
Verified Answer -D
A maneuver that results in an acute increase in blood pressure is:
A. Inhalation of amyl nitrate
B. Supine to standing
C. Isometric handgrip
D. Inspiration
Verified Answer -C
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