In this image, what structure is indicated by the letter B?

Using this diagram, which structure is indicated by the number 3?

Why is resolution decreased when the transducer output power is increased or gain is too high?

Which junction forms the origin of the portal vein?

Which statement best describes a fetal head that is dolicocephalic?

This sonographic image of a kidney was taken from a patient diagnosed with hyperuricemia.  What is a possible diagnosis?

In this image, which structure is indicated by the letter A?

In this image, which structure is indicated by the ORANGEarrow?

If it were discovered that there are definite harmful biological effects associated with the use of diagnostic ultrasound, which statement would be the most reasonable expectation?

What structure is indicated by the arrow in this image?