1 Add 10 drops of Benedicts solution to each test tube. 2  Place the test tubes in the hot-water bath. Heat the test tubes for 3 to 5 minutes, or until the indicator changes color, if it changes color.  With a test tube holder, remove the tubes from the hot-water bath and place them back in the test tube rack.
Prostate Ultrasound. Prostate Ultrasound. Definition. A prostate ultrasound is a diagnostic test used to detect potential problems with a man's prostate. An ultrasound test uses very high frequency sound waves that are passed through the body. The pattern of reflected sound waves, or echoes, shows the outline of the prostate.
A liver ultrasound can be used to guide doctors or surgeons during a procedure, such as a biopsy. They are important in planning for certain types of therapy and surgery, as well as in the aftermath to determine whether the patientâs body is responding to treatment. Liver Ultrasound may help diagnose (find): An ultrasound of the liver is viewed through an abdominal ultrasound. A liver ultrasound is used to detect abnormalities and determine the cause of ongoing symptoms.