Anatomy & Physiology Exam 1 Questions & Answers Graded A+

Substance that ionizes in water to release hydrogen ions. base acid - Answer acid The hand is __________ to the wrist. proximal distal anterior posterior - Answer distal Chemical bond that results when two ions form by transfer of electrons. ionic bond covalent bond - Answer ionic bond The study of drugs and their uses in the treatment of disease. pharmacology Geriatrics Radiology toxicology - Answer pharmacology A molecule consisting of two fatty acid molecules and a phosphate group bound to a glycerol molecule. Functions as the primary structural element of the plasma membrane of cells. amino acids disaccharides nucleic acids phospholipids - Answer phospholipids A __________ is a substance that can react with a strong acid or base to form a weaker acid or base and thus resist a change in pH. - Answer buffer A(n) ____________ is a chemical that increases the rate of a chemical reaction, but is not permanently altered by the reaction. - Answer catalyst ______________________ is the study factors determining the frequency and distribution of health-related conditions in a defined human population. - Answer epidemiology ____________ is a state of body equilibrium (or the maintenance of a stable internal environment). - Answer homeostasis ____________ is the sum total of the chemical reactions occurring in body cells. - Answer metabolism