How many times can the puncture apparatus (lancet or sharp) be used for fingersticks on the same patient?

________ compounds are employed for thyroid studies, pyelograms, angiograms, and cholecystograms

a. Iodine b. Barium sulfate c. Iron d. Aluminum

If you are using a biphasic defibrillator, but are unsure of the appropriate starting energy setting, you should set the defibrillator to:

A) 120 J. B) 150 J. C) 200 J. D) 360 J.