Hole's Human Anatomy & Physiology Test Bank for chapter 2 Chemical Basis of Life, Exercises of Anatomy

Download Hole's Human Anatomy & Physiology Test Bank for chapter 2 Chemical Basis of Life and more Exercises Anatomy in PDF only on Docsity! Chapter 2 Hole's Human Anatomy & Physiology 9th edition David Shier, Ricki Lewis, Jackie Butler,2024 Test Bank for chapter 2 Chemical Basis of Life complete (multiple choice, true or false and case studies) Chemical Basis of Life True/False Quiz Please answer all questions 1 Protons all bear positive charges while neutrons have no net charge. A)True B)False 2 Atoms such as sodium that are in the first column of the periodic table have positive charges. A)True B)False 3 Elements that are radioactive isotopes react in similar chemical ways to their relatively stable counterparts, such as C12 and C1 A)True B)False 4 When sodium reacts with chloride usually a covalent bond is formed. A)True B)False 5 Considering all molecules known, inorganic molecules usually contain fewer atoms that organic molecules. A)True B)False 6 Technically speaking, HCl is the correct formula for a strong acid. A)True B)False 7 In the biosynthesis of large molecules within the body, water is usually added to two or more molecules as they join together. A)True B)False Multiple Choice Quiz Please answer all questions 1 An electrically neutral atom bears what trait? A)It contains protons in its nucleus. B)It contains the same number of protons and neutrons. C)It contains the same number of electrons and protons. D)It contains electrons in its electron shells. 10 Animal "starch," or _______________, consists of branched chains of sugar units and functions to store energy. A)glycogen B)steroids C)dextrose D)cellulose 11 The type of lipid responsible for forming the basic bilayer structure of a cell membrane is a _________________ molecule. A)glycerol B)steroid C)phospholipid D)hormone 12 A fatty acid in which the carbon atoms are all linked by single carbon- carbon bonds is said to be _________________. A)polyunsaturated B)monounsaturated C)linked D)saturated 13 Choose the correct statement about proteins and their structure. A)Hydrogen bonding rarely occurs in proteins. B)Most proteins are made from a short chain of amino acids. C)A denatured protein is equally effective as the protein in its original shape. D)A protein's conformation determines its function. 14 Myoglobin, hemoglobin, and many enzymes are ________________ proteins. A)globular B)fibrous C)linear D)pleated sheer 15 DNA contains each of the following components, except ______________. A)5-carbon sugar B)a single polynucleotide chain C)phosphate group D)organic base 16 The smallest unit of matter is the _____. A)atom B)molecule C)element D)electron 17 Which of the following does not belong with the others? A)proton B)neutron C)electron D)nucleus 18 What is the sum of the neutrons plus protons equal to? A)atomic number B)mass number C)atomic symbol D)atomic weight 19 Which of the following is not as abundant as the others in living cells? A)Na B)Mn C)P D)N 20 Which element has the nuclear configuration of 12/6? A)carbon B)oxygen C)N D)K 21 The symbol Na+ is used to describe a sodium _____. A)atom B)free radical C)ion D)molecule 22 Of the following, which represents an organic compound? A)True B)False 6 Thallium-201 is usually used to detect cancers and inflammation. A)True B)False 7 Radioactive elements will undergo the same types of chemical reactions as their stable counterparts. A)True B)False 8 People are constantly exposed to what is termed background radiation in the environment. A)True B)False 9 Exposure to radiation from medical and dental procedures is less than what one would receive from natural background exposure. A)True B)False 10 Some smoke detectors can emit radiation. A)True B)False 11 Most chemical reactions are reversible in nature. A)True B)False 12 A person could have a blood pH of 7.2 and considered to have excess acidity or acidosis. A)True B)False 13 The total pH range compatible with human life is 7.35 to 7.45 in the blood. A)True B)False 14 A person could not survive with a blood pH of 6 or 8.l. A)True B)False 15 Cow's milk is more acidic than apple juice. A)True B)False 16 The presence of electrolytes in the body is more important than their relative amounts. A)True B)False 17 Organic compounds must all contain the atom carbon. A)True B)False 18 The fundamental unit in all polysaccharides is dextrose. A)TRUE B)FALSE 19 Saturated fats are associated with coronary artery disease. A)True B)False 20 All proteins function as catalysts or enzymes. A)True B)False 21 All proteins must contain nitrogen and amino acids. A)TRUE B)FALSE Multiple Choice Quiz Please answer all questions 1 An electrically charged small negative particle which encircles a nucleus is the _____. A)proton B)neutron 10 Why is iodine-131 used to assess thyroid function? A)it has a short half-life B)it becomes absorbed into tissues C)it is radioactive D)the thyroid gland uses iodine 11 The second electron shell can hold a maximum of _____ electrons. A)2 B)4 C)6 D)8 12 The only elements that have eight electrons in their outer orbitals and are therefore stable are the _____. A)metals B)non-metals C)gases D)gases such as helium 13 Chemically stable elements will not _____ under ordinary conditions. A)become radioactive B)chemically react C)disintegrate D)undergo nuclear decay 14 What happens to sodium when it loses its outer electron? A)it becomes a negative ion B)it becomes radioactive C)it becomes a positive ion D)nothing 15 In table salt, _____ bonds hold the ions together. A)electrovalent B)electrostatic C)covalent D)hydrogen 16 What causes HCl to become an acid? A)the ionic forces B)covalent exchanges with water C)the release of H+ D)the presence of H+ 17 A covalent bond is formed whenever two atoms ______ electrons. A)lose B)share C)gain D)keep their 18 Carbon atoms tend to form _____. A)covalent bonds B)cations C)anions D)ionic bonds 19 Buildings that contain radon in their structures can cause illness because radon will _____. A)chemically react with human tissues B)produce ionizing radiation C)be absorbed into the blood D)disintegrate 20 When atoms of different elements combine they form _____. A)gases B)compounds C)molecules D)ionic bonds 21 The _____ is the smallest particle of an element, which has the properties of the element. A)atom B)electron C)ion D)molecule 22 _____ formulas display the relative positions of each atom within a molecule. B)K+ C)bicarbonate D)phosphate 31 The following are monosaccharides except which one? A)glucose B)sucrose C)fructose D)galactose 32 Glycogen is a type of _____ and is a storage form of sugar. A)monosaccharide B)disaccharide C)polysaccharide D)milk sugar 33 Lipids include the following except which one? A)fats B)oils C)steroids D)lactose 34 If a triglyceride were digested it would break down into glycerol and _____. A)fatty acids B)nitrogen C)a saccharide D)a lipid 35 Unsaturated fats are comprised of lipids that contain ____. A)nitrogen B)no double bonds C)many hydrogen atoms D)relatively few hydrogen atoms 36 The following are steroids except which one? A)cholesterol B)estrogens C)testosterone D)phospholipid 37 Proteins are most important for the following functions except which one? A)hormone structures B)energy production C)cell structures D)antibodies 38 All nucleic acids must contain which of the following? A)phosphate group B)amino acids C)ribose D)deoxyribose 39 The molecule which contains the genetic information necessary to regulate cells is _____. A)RNA B)DNA C)protein D)ATP