Which of the following is NOT associated with lack of color in a vessel containing blood flow?

   Identify this bone marker: 8

Weakening of echoes distal to a strongly attenuating structure describes ____.

The frequency of a pulsed Doppler wave is 6 MHz, and the PRF is 5 kHz. What is the maximum Doppler shift that can be recorded without aliasing?

An 8-year-old patient presents with midabdominal pain and an elevated serum amylase level after blunt trauma to her abdomen. The abdominal sonogram demonstrates a cystic mass around the tail of the pancreas. The mass MOST likely represents?

What is the congenital anomaly where the testicle is no attached to the tunica vaginalis and rotates freely on spermatic cord?

————– Is the most common organism, yeast-like fungus, causing opportunistic infection in patients with acquired immunodeficiency syndrome (AIDS).  

Clinical findings of sudden scrotal pain and swelling are suggestive of:

What are the most common tumors of the hand and wrist?

Which of the following is a common cause of infertility in men?