A variable that is not the hypothesized exposure of interest or the outcome of interest that causes confusion or distortion of measures of association is known as a ____.

A decrease in the plasma volume occurring with an increased concentration of cells and larger molecules such as cholesterol is referred to as:

A) hemoconcentration B) hyperlipidemia C) hemophilia D) hemolysis

Pressure areas are adjusted with ____________

a. Bard-Parker scalpels on the alveolar ridge b. acrylic burs c. carbide burs d. nothing; the patient will adjust to the pressure areas