Veterans of a military operation suspect that they have been exposed to chemical warfare agents.  The veterans administration surveyed these soldiers to identify the presence of symptoms and their prevalence.  What for of medical investigation is this?

Which of the following terms describes the value that the actions of the health care providers should benefit the patient?

Following the revocation of consent,, when should a sonographer terminate the exam?

The AIUM fundamental statement about the safety of diagnostic ultrasound states that “ultrasound is a very safe modality and to date there have been no confirmed ______________ by exposure to intensities typical of present ultrasound equipment.”

The study of the characteristics, attributes, and quantities of a substance that induces bioeffects is called__________.

What is the “number” that the  AIUM proposes as a guideline in regards  to cavitation.

What is the ultrasound artifact seen in this image? Physics artifact speed error.jpg

Which of the following measures the sound beam’s at specific locations in the beam?

Guidelines to minimize the risk of health care worker to contract bloodborne infection have been developed.  What are these guidelines called?

Which of the following terms is used for the opening in a surgical drape that is placed over the operative site?