1. Microorganisms that cause illness, infection, or disease are called pathogenic, while microorganisms that help keep a balance in the environment and in the body are called nonpathogenic

Pulse oximetry uses _______ technology to assess the oxygen saturation of hemoglobin in the peripheral tissues

A) ultraviolet B) X-ray C) infrared D) ultrasound

A(n) (a)______________ disease causes the tissues to increase in mass density or thickness, whereas a(n) (b)______________ diseases cause the tissue to break down

Fill in the blank(s) with the appropriate word(s).