With regards to ultrasound imaging of the normal urinary bladder. Urine does not attenuate sound waves and therefore is anechoic.

During abdominal ultrasound, peritoneal effusion is noted and abdominocentesis performed to obtain a sample for cytologic evaluation.  Which of the following types of effusions could potentially be recovered from the peritoneal cavity?

The direction indicated by “a” is:

All of the following should be done to maximize ultrasound image quality, EXCEPT:

You obtain this long axis ultrasound image of the kidney with the patient in dorsal recumbancy and the ultrasound probe on the patient’s ventrum.  Which direction with respect to the patient would you need to slide your ultrasound probe to obtain a mid sagittal image of this kidney?

This image is depicting M-mode of the right and left ventricle.

This image is depicting M-mode of the right and left ventricle.

The background echogenicity on both sides of the far field of this image represent which of the following?

In this image of the liver, the arrow is pointing to a portal vessel.

The thin hyperechoic region of this small intestinal loop indicated by “A” represents: