Ultrasound Basics Step 1 Step 1 (1 hour): Self Learning Pre-Tests Complete the Self Learning Pre-Tests. These pre-tests do not have a minimum score but must be completed prior to moving on to the next step of the curriculum. Obtaining Views Self Test In ultasound, artifacts are:Due to patient’s body habitusCaused by procedure itselfLeads to appearance of structures not thereAll of the aboveWhen the image on the screen is too "bright" and you are unable to view structures the gain is said to be:LowHighExpandedRight ShiftedWhat artifact is commonly seen past a highly echogenic structure like a gallstone or rib?MirroringDuplicationShadowingSpectral4Which one of the following has the least attenuation of the ultrasound signal?AirBoneMuscleFatsOn ultrasound, free fluid will appear _____, and echogenicity will be said to be _______.Grey; hyperechoicWhite, hypoechoicBlack; hypoechoicCan not be seen; isoechoic
