what can affect absorption {Ans: Blood circulation, pain, stress, pH, administration route, and food texture, fat content, and temperature}Thalidomide {Ans: European patients who took thalidomide during the first trimester of pregnancy to help their nausea, gave birth to infants with extreme limb deformities}photosensitivity {Ans: - sensitivity to light - ranges from the ability to orient to the sun to the ability to see}which chemical responsible for the breakdown of drugs has reduced activity in older adults {Ans: cytochrome P450}Identify the various routes of medication administration {Ans: Sublingual (buccal), oral, transdermal (topical creams/ lotions), instillation (eye drops/sprays), inhalation, nasogastric and gastrostomy tubes, suppositories, parenteral}therapeutic index {Ans: relationship between therapeutic and toxic dose}