Contrast material is used to X-ray parts of the body that normally cannot be X-rayed. Types of contrast used for this X-ray procedure would be ___________ or __________ based

An abnormal heart rhythm that originates in the SA node is called:

a. sinus dysrhythmia. b. atrial dysrhythmia. c. ventricular dysrhythmia. d. myocardial infarction.

The term that replaced adult periodontitis is ________ periodontitis

Fill in the blank(s) with correct word