Anatomy and Physiology QuizOnline version Test your knowledge of human anatomy and physiology with this quiz based on Chapter 1 of the textbook. by Mollie Owen 1 What is the study of the structure of body parts and their relationships to one another called? a Chemistry b Biology c Physiology d Anatomy 2 Which of the following is NOT one of the levels of structural organization in the human body? a Cell b Organ c Amino Groups d Organism 3 What is the term for the ability to maintain relatively stable internal conditions even though the outside world changes continuously? a Metabolism b Anabolism c Homeostasis d Catabolism 4 What is the term for the sum total of all chemical reactions in the body that break substances down and build them up? a Metabolism b Homeostasis c Catabolism d Anabolism 5 Which of the following is NOT a necessary life function? a Movement b Digestion c Reproduction d Respiration 6 Which body system is responsible for protecting the body by detecting and responding to changes in the external environment? a Immune system b Nervous system c Respiratory system d Endocrine system 7 What is the term for the body's ability to detect changes in its internal or external environment and respond to them? a Responsiveness b Homeostasis c Anabolism d Metabolism 8 Groups of many cells working together to perform a common function are known as a(n): a cell b organ c organ system d tissue 9 Which two are subatomic particles? Choose one or more answers a nucleotides b proton c neutron d phospholipids 10 How many electrons are in the outer shell of an atom with 15 electrons? a 2 b 4 c 5 d 8 11 What always matches the atomic number? a protons b neutrons c electrons d ions 12 What would be the same about an element and an isotope of the same element? a mass number b protons c atomic number d Both C and D 13 The element lithium has an atomic number of 3 and a mass number of 7. How many neutrons does a lithium atom have? a 3 b 4 c 7 d 8 14 Two distinct compounds combined with one remaining suspended within the other is called a ___________. a mixture b compound c solute d colloid 15 A cation and anion react to most likely form a a polar covalent bond b hydrogen bond c ionic bond d nonpolar covalent bond 16 A covalent bond involves a removing water (H2O) b sharing electrons between a metal and nonmetal c exchanging electrons d sharing electrons between water and a base 17 The single most abundant element in the human body which accounts for approximately 65% of the body mass is a potassium b hydrogen c oxygen d phosphate 18 The simplest level of organization in the human body is cellular level. a True b False 19 Two or more atoms of the same element that are chemically combined are known as a ions b molecules c suspensions d compounds 20 Polypeptide chains that contribute to a protein's quarterary structure each have their own primary, secondary, and tertiary structures. a True b False 21 What forms the basis for the body's steroids? a triglyceride b cholesterol c testosterone d glucose 22 The alpha-helix and beta-pleated sheet are characteristics of a primary protein structure b secondary protein structure c tertiary protein structure d quarterary protein structure 23 Due to the low heat capacity of water the human body is resistant to overheating and cooling down quickly. a True b False 24 The atomic number represents the number of a neutrons in an atom b protons in an atom c electrons in an atom d protons and neutrons in the nucleus of an atom 25 Amino acids are the monomers for a lipids b proteins c nucleic acids d carbohydrates 26 Ionic bonds result from a weak attractions between polar molecules b a transfer of electrons from a metal atom to a nonmetal atom c the equal sharing of electrons between nonmetal atoms d the unequal sharing of electrons between nonmetal atoms 27 The main structural component of cell membranes a phospholipids b triglycerides c cholesterol d steroids 28 What group makes each amino acid unique? a ammonia groups b carboholic acid group c R group d amino group 29 What type of polar covalent bond links amino acids? a peptide bonds b key tone bond c hydrophobic bond d amphilactic bond 30 Energy is released when ATP is broken down into ADP. a True b False 31 What property of water helps keep body temperature stabilized? a surface tension b polarity c heat capacity d universal solvent 32 In the following chemical reaction, what is NaCl? NaOH + HCl -> NaCl + H2O a acid b reactant c water d product 33 What statement best describes enzyme function? a Enzymes chemically alter both the reactants and products. b Enzymes speed chemical reactions by lowering the activation energy. c One enzyme can work on thousands of different substrates. d Enzymes can perform catabolic reactions only. 34 Select the simplest sugar. a lactose b starch c glucose d sucrose 35 Which of the following is the correct sequence from simplest to most complex in the levels of structural organization of the human body? a chemical, cellular, tissue, organ, organ system, organismal b cellular, chemical, tissue, organ, organ system, organismal c cellular, tissue, chemical, organ, organ system, organismal d chemical, tissue, cellular, organ system, organ, organismal 36 What is the smallest level of structural organization in the human body? a cellular b organ c tissue d chemical 37 Solutions with a pH less than 7 are considered basic or alkaline. a True b False 38 Yuri is working with a chemical in lab. The chemical is composed of repetitive units that include a phosphate group, a nitrogenous base, and a sugar known as ribose. He is working with a a nucleic acid b a protein c a carbohydrate d a lipid 39 A fatty acid that contains no double-covalent bonds is a monosaturated b polysaturated c saturated d hydrogenated 40 Which pH represents a solution that releases 100 times less hydrogen ions than a pH of 9? a pH 7 b pH 12 c pH 8 d pH 11 41 Na+ is best known as a a molecule b ion c compound d macromolecule 42 Hydrolosis of a polymer will produce a enzymes b electrolytes c buffer d monomer 43 In a molecule of oxygen gas, the atoms of oxygen share electrons equally with one another. This statement best describes a a ionic bond b nonpolar covalent bond c compound d polar covalent bond 44 Which of the following atoms is inert? a atomic number of 8 b atomic number of 14 c atomic number of 6 d atomic number of 10 45 The digestion food is exergonic since chemical bonds are broken and energy is released. a True b False 46 What does the H in pH scale represent? a concentration of H+ ions in solution b a negative logarithm c a negative charge d heat 47 The monomer of a carbohydrate is the a fatty acid b monosaccharide c nucleotide d amino acid 48 Which of the following represents an exchange reaction? a AB + CD -> AD + BC b AB -> A + B c A + B -> AB d AB + CD -> BA + DC 49 Hydrogen bonds are strong attractions between nonpolar covalent molecules. a True b False 50 Water is most likely to dissolve a solute that is a hydrophilic b a lipid c nonpolar d hydrophobic 51 Which of the following fatty acid chains has the most double bonds? a polyunsaturated fatty acid b glycerol c monounsaturated fatty acid d saturated fatty acid 52 What subatomic particle carries a negative charge? a neutron b proton c electron d nucleus 53 What contributes to the calculation of the mass number? a sum of protons and electrons b sum of protons and neutrons c sum of electrons and neutrons d sum of protons, neutrons, and electrons 54 Which pH represents a solution that has the highest concentration of hydroxide ions? a pH 10 b pH 7 c pH 14 d pH 1 55 What is the function of a buffer system? a Buffer systems lowers activation energy of a chemical reaction b Buffer systems act a as a lubricant between two adjacent surfaces c Buffer systems prevent large swings in pH when an acid or base is added to a solution d Buffer systems absorbs heat without changing temperature themselves 56 Ionic bonds result from a weak attractions between polar molecules b the transfer of electrons from a metal atom to a nonmetal atom c the equal sharing of electrons between nonmetal atoms d the unequal sharing of electrons between nonmetal atoms 57 A solution containing equal number of hydrogen ions and hydroxide ions is a basic b neutral c alkaline d acidic 58 What type of bond is responsible for the surface tension of water? a hydrogen bond b polar covalent bond c nonpolar covalent bond d ionic bond
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