TTE powerpoint

Sonographers must protect themselves and patients from:

• inhalation of virus

• deposition of virus on exposed mucous membranes  

• touching mucous membranes with soiled hands contaminated with virus

• all of the above

What is A?

• acoustic insulation

• harmonic insulation

• indicator

• handle

What is B?

• matching layer

• backing layer

• yellow layer

• insulation layer

What is C?

• camera lens

• superior layer

• echo layer

• acoustic lens

What is D?

• middle layer

• lead crystals

• piezoelectric crystals

• echo layer

What is E?

• middle layer

• matching layer

• backing layer

• echo layer

Which field has the best resolution?

• far field

• anterior field

• near field

• posterior field

What determines the number of scan lines?

• the number of PZT elements

• the width of the scanning field

• the number of breaths the patient takes

• the size of the patient

What does PZT stand for?

• lead zirconium titanate

• lead zirconate titanate

• lead zirconate titrate

• lead zirconium titrate

The _____ scan lines, the _____ the resolution.

• less, better

• more, better

• less, worse

• more, worse