Diagnostic Medical Sonography exam with precise detailed answers.

Diagnostic Medical | |




Sonography exam | |




with precise detailed | | |




answers

When |does |reflection |occur?

1.at |the |bladder |wall

2.with |a |calcification

3.at |the |surface |of |a |uterine |fibroid |- |correct |answer |1, |2 |and |3



Select |two |changes |that |lengthen |the |near |zone. |Full |credit |requires |that |you |give |two |
answers. |- |correct |answer |increase |the |diameter |of |the |crystal |& |increase |the |frequency



Select |the |main |advantage |for |curving |the |diameter |of |the |element. |- |correct |answer |increase |
the |lateral |resolution |in |the |near |zone



Select |the |characteristic |that |suited |for |an |endorectal |transducer/probe. |- |correct |answer |high |
frequency

, Select |the |condition |under |which |ultrasound |will |propagate |forward |without |much |impedance.
|- |correct |answer |tightly |compacted |small |dense |molecules |in |an |area




Select |the |characteristic |that |best |describes |piezoelectric |effect. |- |correct |answer |requires |
compression |and |expansion |of |the |element



Select |the |statement |that |best |describes |a |piezoelectric |element. |- |correct |answer |has |a |
property |that |is |compressable |with |electrical |current



Which |of |the |following |are |applications |of |using |ultrasound |as |a |therepeutic |modality. |- |
correct |answer |it |can |reduce |the |size |of |large |kidney |stones



Select |the |characteristic |that |best |describes |piezoelectric |effect. |- |correct |answer |compression |
and |expansion |of |the |crystal



Select |one |imaging |disadvantage |from |viewing |echoes |from |the |area |of |the |far |zone. |- |correct |
answer |diminished |resolution |of |objects



Select |the |ultrasound |mode |that |allows |for |dynamic |observation |of |structures |in |motion. |- |
correct |answer |real |time |mode



Where |is |the |ultrasound |beam |most |uniform? |- |correct |answer |the |far |zone



Select |the |correct |statement |when |comparing |the |uterus |to |the |urinary |bladder. |- |correct |
answer |the |molecules |in |both |are |equal |???????



How |are |returning |echoes |amplified? |- |correct |answer |increase |the |"gain |control"