[Solved] The dose of drug from a metered-dose inhaler is measured in puffs or sprays. Microscopic Analysis: The examination of small objects or samples using a microscope to identify structures and materials not visible with the naked eye. Urinary Tract Infections: Infections that occur in any part of the urinary system, including the bladder, kidneys, ureters, and urethra, often caused by bacteria. Void: In medical terminology, to empty or evacuate waste material, especially urine, from the body. Perineum Area: The region of the body between the pubic symphysis and the coccyx, including the genital and anal areas.