APHY 101 Final Exam /Questions & Expertly Verified Answers,
2025 / 2026.
Quiz____?What is the difference between anatomy and physiology? - Answer✓✓ Anatomy is the study of the structure of body parts, whereas physiology is the study of the function of body parts Quiz____?What are the levels of organization? - Answer✓✓ subatomic particles, atom, molecule, macromolecule, organelle, cell, tissue, organ, organ system, organism Quiz____?What are the requirements of life? - Answer✓✓ Water, food, oxygen, heat, pressure Quiz____?What are the characteristics of life? - Answer✓✓ Movement (internal or gross); Responsiveness (reaction to internal or external change); Growth (increase in size without change in shape); Reproduction (new organisms or new cells); Respiration (use of oxygen; removal of CO2); Digestion (breakdown of food); Absorption (movement of substances through membranes and into fluids); Circulation (movement within body fluids); Assimilation (changing nutrients into chemically different forms); Excretion (removal of metabolic wastes) Quiz____?Define homeostasis - Answer✓✓ Body's maintenance of a stable environment Quiz____?What is a homeostatic mechanism? - Page 1 of 37 1 / 4
Answer✓✓ the body maintains homeostasis through a number of self-regulating control systems; examples are regulating body temperature and pressure sensitive receptors to regulate body pressure Quiz____?Define matter - Answer✓✓ Anything that takes up space and has mass (weight). It is composed of elements.Quiz____?Define element - Answer✓✓ fundamental substance composed of chemically identical atoms Quiz____?Define atoms - Answer✓✓ smallest particle of an element; basic unit of matter Quiz____?What is the structure of an atom? - Answer✓✓ An atom consists of a nucleus containing protons and neutrons, with electrons in orbit around the nucleus.Quiz____?Atomic nucleus - Answer✓✓ the nucleus contains protons and neutrons Quiz____?Proton - Answer✓✓ subatomic particle that has a positive charge Quiz____?Neutron - Answer✓✓ subatomic particle that has no charge Quiz____?Page 2 of 37 2 / 4
Electron - Answer✓✓ subatomic particle that has a negative charge Quiz____?Atomic number - Answer✓✓ number or protons in nucleus Quiz____?Atomic mass - Answer✓✓ number of protons plus number of neutrons Quiz____?What are covalent bonds? - Answer✓✓ Covalent bonds are formed when atoms share electrons to become stable with filled outer shells Quiz____?What are ionic bonds? - Answer✓✓
- oppositely charged atoms form this bond when electrons are transferred from one
atom to another atom Quiz____?What are hydrogen bonds? - Answer✓✓ Weak attraction between positive end of one polar molecule and negative end of another polar molecule; formed between water molecules Quiz____?Define ion - Answer✓✓ When atoms gain or lose electrons, they become ions.Quiz____?Define synthesis reaction - Answer✓✓ Two or more atoms or molecules are joined together Page 3 of 37 3 / 4
Quiz____?Define decomposition reaction - Answer✓✓ Larger molecules are broken down into smaller ones Quiz____?Define exchange reaction - Answer✓✓ Parts of molecules trade places Quiz____?Define reactant - Answer✓✓ The starting materials of the reaction - the atoms, ions, or molecules Quiz____?Define product - Answer✓✓ Substances formed at the end of the chemical reaction Quiz____?Define catalyst - Answer✓✓ influence the rates of chemical reactions Quiz____?What is an acid? - Answer✓✓ Electrolytes that release hydrogen ions in water Quiz____?What is a base? - Answer✓✓ Electrolytes that release ions that combine with hydrogen ions in water Quiz____?What is a salt? - Answer✓✓ Acids and bases that react to form water and electrolytes Quiz____?What is a pH scale? - Page 4 of 37
- / 4