Diagnostic Medical Sonography with
correct answers 100%
When does reflection occur?
1.at the bladder wall
2.with a calcification
3.at the surface of a uterine fibroid - Correct Answers 1, 2 and 3
Select two changes that lengthen the near zone. Full credit requires that you give two answers. -
Correct Answers increase the diameter of the crystal & increase the frequency
Select the main advantage for curving the diameter of the element. - Correct Answers increase
the lateral resolution in the near zone
Select the characteristic that suited for an endorectal transducer/probe. - Correct Answers high
frequency
Select the condition under which ultrasound will propagate forward without much impedance. -
Correct Answers tightly compacted small dense molecules in an area
Select the characteristic that best describes piezoelectric effect. - Correct Answers requires
compression and expansion of the element
Select the statement that best describes a piezoelectric element. - Correct Answers has a
property that is compressable with electrical current
Which of the following are applications of using ultrasound as a therepeutic modality. - Correct
Answers it can reduce the size of large kidney stones
, Select the characteristic that best describes piezoelectric effect. - Correct Answers compression
and expansion of the crystal
Select one imaging disadvantage from viewing echoes from the area of the far zone. - Correct
Answers diminished resolution of objects
Select the ultrasound mode that allows for dynamic observation of structures in motion. -
Correct Answers real time mode
Where is the ultrasound beam most uniform? - Correct Answers the far zone
Select the correct statement when comparing the uterus to the urinary bladder. - Correct
Answers the molecules in both are equal ???????
How are returning echoes amplified? - Correct Answers increase the "gain control"
What characteristic influences the frequency of the ultrasound beam? - Correct Answers the
thickness of the element
Select two highly reflective interfaces that result in shadowing. You must select two answers for
full credit. - Correct Answers gallstones, bladder stones
The near zone will be the shortest and most focused when using: - Correct Answers a 6 mm
curved element
Select the correct characteristic about the velocity of ultrasound. - Correct Answers highly
dependent on the medium
correct answers 100%
When does reflection occur?
1.at the bladder wall
2.with a calcification
3.at the surface of a uterine fibroid - Correct Answers 1, 2 and 3
Select two changes that lengthen the near zone. Full credit requires that you give two answers. -
Correct Answers increase the diameter of the crystal & increase the frequency
Select the main advantage for curving the diameter of the element. - Correct Answers increase
the lateral resolution in the near zone
Select the characteristic that suited for an endorectal transducer/probe. - Correct Answers high
frequency
Select the condition under which ultrasound will propagate forward without much impedance. -
Correct Answers tightly compacted small dense molecules in an area
Select the characteristic that best describes piezoelectric effect. - Correct Answers requires
compression and expansion of the element
Select the statement that best describes a piezoelectric element. - Correct Answers has a
property that is compressable with electrical current
Which of the following are applications of using ultrasound as a therepeutic modality. - Correct
Answers it can reduce the size of large kidney stones
, Select the characteristic that best describes piezoelectric effect. - Correct Answers compression
and expansion of the crystal
Select one imaging disadvantage from viewing echoes from the area of the far zone. - Correct
Answers diminished resolution of objects
Select the ultrasound mode that allows for dynamic observation of structures in motion. -
Correct Answers real time mode
Where is the ultrasound beam most uniform? - Correct Answers the far zone
Select the correct statement when comparing the uterus to the urinary bladder. - Correct
Answers the molecules in both are equal ???????
How are returning echoes amplified? - Correct Answers increase the "gain control"
What characteristic influences the frequency of the ultrasound beam? - Correct Answers the
thickness of the element
Select two highly reflective interfaces that result in shadowing. You must select two answers for
full credit. - Correct Answers gallstones, bladder stones
The near zone will be the shortest and most focused when using: - Correct Answers a 6 mm
curved element
Select the correct characteristic about the velocity of ultrasound. - Correct Answers highly
dependent on the medium
