Which structure is indicated by the letter A in this diagram?

In this image, what muscle is indicated by the REDarrow?

A sonogram demonstrates the a 3 cm  an almost isoechoic liver mass in the periphery of the liver near the diaphragm.  Doppler ultrasound reveals a “spoke-wheel” pattern of flow.  What is the most likely diagnosis?

Which statement BEST describes the most common location of an accessory spleen?

Which statement is TRUE regarding the portal triad?

In this diagram, what area is indicated by the letter B?

Which hormones are secretated from the pituitary gland when there is a low concentration of estrogen?

Which lobe of the liver is located inferior to the echogenic linear structure indicated by the RED arrow in this image?

Which statement is TRUE regarding intrahepatic biliary dilatation?

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?