Anatomy and Physiology I Final Exam 2025 Test Bank(Questions and Answers) 2025 / 2026 Graded A+ Newest Update

Anatomy and Physiology I Final Exam 2025 Test Bank(Questions and Answers) 2025 / 2026 Graded A+ Newest Update Question 1 Correct 1.00 points out of 1.00 Flag question Question text In an ecosystem, energy Select one: a. comes ultimately from bacteria b. cycles along with chemical nutrients c. typically flows from producers through a series of consumers d. typically flows from consumers to producers to decomposers Question 2 Correct 1.00 points out of 1.00 Flag question Question text Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least inclusive to most inclusive? Select one: a. organism, organ system, tissue, population, organ, organelle, community, cell, ecosystem, molecule b. ecosystem, population, organ system, cell, community, molecule, organ, organism, organelle, tissue c. molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem d. cell, molecule, organ system, organ, organelle, population, tissue, organism, ecosystem, community Question 3 Correct1.00 points out of 1.00 Flag question Question text Organisms that are prokaryotes are in the domains Select one: a. plantae and Animalia b. bacteria and Archaea c. fungi and Bacteria d. eukarya and Archaea Question 4 Correct 1.00 points out of 1.00 Flag question Question text A theory is Select one: a. an idea that has been proven b. an explanation of an idea that is broad in scope and supported by a large body of evidence c. a description of a belief that invokes the supernatural d. a concept in the early stages that still needs to be tested Question 5 Correct 1.00 points out of 1.00Flag question Question text To be scientifically valid, a hypothesis must be Select one: a. testable and falsifiable b. controlled c. reasonable d. part of a theory Question 6 Incorrect 0.00 points out of 1.00 Flag question Question text Members of the kingdom Animalia Select one: a. are composed of cells that lack a cell membrane b. can obtain their food by eating other organisms c. make their own food through photosynthesis d. can obtain their food either by absorption or by photosynthesis Question 7 Correct 1.00 points out of 1.00 Flag questionQuestion text An antibiotic kills 99.9% of a bacterial population. You would expect the next generation of bacteria Select one: a. to die out due to the drastic decrease in population size b. to be more contagious than the prior generation c. to be more resistant to that antibiotic d. to be just as susceptible to that antibiotic as was the previous generation Question 8 Correct 1.00 points out of 1.00 Flag question Question text A scientist performs a controlled experiment. This means that Select one: a. one experiment is performed, but the scientist controls the variables b. the experiment is repeated many times to ensure that the results are accurate c. two experiments are conducted, one differing from the other by only a single variable d. the experiment proceeds at a slow pace to guarantee that the scientist can carefully observe all reactions and process all experimental data Question 9 Correct 1.00 points out of 1.00 Flag question Question textThe teeth of grain eating animals, such as horses, are usually broad and ridged. This makes the teeth suitable for grinding and chewing. Meat eating animals, such as lions, have pointed teeth that are good for puncturing and ripping flesh. This illustrates Select one: a. a result of natural selection as well as the connection between form and function b. the connection between form and function only c. a food web d. a result of natural selection only Question 10 Correct 1.00 points out of 1.00 Flag question Question text The role of a control in an experiment is to Select one: a. provide a basis of comparison to the experimental group b. ensure repeatability c. counteract the negative effect of the experiment d. prove that a hypothesis is correct Question 11 Correct 1.00 points out of 1.00 Flag question Question text If you eat a hamburger, you are mainly eating ground up beef muscle. What levels of organization are represented in this ground up muscle? Select one:a. organism, population, and community b. tissue, organ, and organ system c. organelle, cell, and tissue d. organ, organ system, and organism Question 12 Correct 1.00 points out of 1.00 Flag question Question text Which of the following statements about genetics is true? Select one: a. dna is made up of six different kinds of nucleotides b. differences among organisms reflect different nucleotide sequences in their DNA c. genes are proteins that produce DNA d. each DNA molecule is a single strand of nucleotides Question 13 Correct 1.00 points out of 1.00 Flag question Question text The ultimate source of energy flowing into nearly all ecosystems is Select one: a. wind b. radioactivity c. electricityd. sunlight Question 14 Correct 1.00 points out of 1.00 Flag question Question text All organisms belonging to the kingdom Plantae Select one: a. are multicellular and lack a nucleus b. are unicellular and lack a nucleus c. are photosynthetic d. obtain food by decomposing the remains of dead organisms and absorbing the nutrients Question 15 Correct 1.00 points out of 1.00 Flag question Question text Kingdom Fungi includes species Select one: a. such as mushrooms and plants b. that obtain food by ingestion c. that use photosynthesis to obtain food d. that obtain food by decomposing dead organisms and absorbing the nutrients Question 16 Correct1.00 points out of 1.00 Flag question Question text The tree in your backyard is home to two cardinals, a colony of ants, a wasp's nest, two squirrels, and millions of bacteria. Together, all of these organisms represent Select one: a. a species b. a community c. a population d. an ecosystem Question 17 Correct 1.00 points out of 1.00 Flag question Question text You notice that over the past month, many students on campus have started wearing a new style of school sweatshirt. You think to yourself that perhaps the bookstore has recently started selling this new sweatshirt style. This prediction is an example of Select one: a. an experiment b. a type of observation c. a hypothesis d. an experimental question Question 18 Correct 1.00 points out of 1.00Flag question Question text Which of the following statements about ecosystems is false? Select one: a. Chemical nutrients cycle within an ecosystem b. Plants and other photosynthetic organisms are producers in ecosystems c. In the process of energy conversions within an ecosystem, some energy is converted to heat d. bacteria and fungi recycle energy within an ecosystem Question 19 Correct 1.00 points out of 1.00 Flag question Question text Which of the following statements about the properties of life is false? Select one: a. all organisms have the ability to reproduce b. all organisms have the ability to respond to stimuli from the environment c. all organisms have the ability to maintain a constant internal temperature d. all organisms have the ability to take in energy and use it Question 20 Correct 1.00 points out of 1.00 Flag questionQuestion text A hypothesis is Select one: a. a proposed explanation for a set of observations b. the same as a theory c. a widely accepted idea about a phenomenon d. an explanatory idea that is broad in scope and supported by a large body of evidence Question 1 Correct 1.00 points out of 1.00 Flag question Question text Typically, nitrogen atoms are composed of electrons, protons, and neutrons. An isotope of nitrogen could Select one: a. have more neutrons than the usual nitrogen atom b. be positively charged c. have more protons than the usual nitrogen atom d. be negatively charged Question 2 Correct 1.00 points out of 1.00 Flag question Question textWhich of the following is a trace element in the human body? Select one: a. nitrogen b. oxygen c. zinc d. hydrogen Question 3 Incorrect 0.00 points out of 1.00 Flag question Question text Radioactive isotopes Select one: a. can be used in conjunction with PET scans to diagnose diseases b. are never incorporated into organic compounds c. are frequently added to foods as nutritional supplements d. do not occur naturally Question 4 Correct 1.00 points out of 1.00 Flag question Question text If you found a fossilized dinosaur bone, what method could be used to determine the age of the fossil? Select one: a. electrophoresis b. radial immunodiffusionc. isotope analysis d. DNA fingerprinting Question 5 Correct 1.00 points out of 1.00 Flag question Question text Waters surface tension and heat storage capacity is accounted for by its Select one: a. size b. hydrogen bonds c. mass d. orbitals Question 6 Correct 1.00 points out of 1.00 Flag question Question text Photosynthesis requires many steps to make glucose. As a result of the synthesis process, Select one: a. all the carbons from the six carbon dioxide atoms are found in glucose b. more carbon dioxide is released from the plant than is absorbed c. more atoms are present at the beginning than at the end d. water is synthesized by the plant from H2 and O2Question 7 Correct 1.00 points out of 1.00 Flag question Question text In the equation 2 H2 + O2 is equal to 2 H2O, the H2 molecules are ________ and the H2O molecules are ________. Select one: a. reactants, products b. products, reactants c. created, destroyed d. used, stored Question 8 Correct 1.00 points out of 1.00 Flag question Question text Which of the following statements about radioactive isotopes is true? Select one: a. When given a choice between radioactive and nonradioactive isotopes of the same atom, living cells are more likely to incorporate the radioactive isotopes into their structures b. the nuclei of radioactive isotopes are unusually stable, but the atoms tend to lose electrons c. radioactive elements are natural and therefore not harmful d. the energy emitted by radioactive isotopes can break chemical bonds and cause molecular damage in cells Question 9 Correct1.00 points out of 1.00 Flag question Question text The body uses atoms in different ways to accomplish different tasks. For example, one portion of the body's calcium supply strengthens bones, whereas another portion combines with proteins to stimulate blood clotting after tissue injury. Which of the statements that follow provides the most logical chemical explanation of calcium's ability to perform such different functions? Select one: a. the calcium in blood is a more reactive form of the atom and therefore has fewer protons than the calcium in bone b. the bone contains calcium salts, which are less reactive than the calcium ions found in the blood c. there are many different isotopes of calcium, and the most reactive isotope is found in the bone d. the calcium in blood has a lighter atomic mass than the calcium in bone and is in a more reactive form Question 10 Correct 1.00 points out of 1.00 Flag question Question text A hydrogen atom has one electron. How many covalent bonds can hydrogen form? Select one: a. four covalent bonds b. one covalent bond c. no covalent bonds d. two covalent bondsQuestion 11 Correct 1.00 points out of 1.00 Flag question Question text Compared to a solution of pH 3, a solution of pH 1 is Select one: a. 10 times more basic b. 100 times more basic c. 100 times more acidic d. 10 times more acidic Question 12 Correct 1.00 points out of 1.00 Flag question Question text What is the fundamental difference between covalent and ionic bonding? Select one: a. in covalent bonding, both partners end up with filled outer electron shells; in ionic bonding, one partner does and the other does not b. covalent bonds form between atoms of the same element; ionic bonds form between atoms of different elements c. covalent bonding involves only the outermost electron shell; ionic bonding also involves the next electron shell inside the outermost shell d. in a covalent bond, the partners share a pair of electrons; in an ionic bond, one partner accepts electrons from the other Question 13 Correct 1.00 points out of 1.00Flag question Question text A water molecule (H O H) is held together by   Select one: a. two polar covalent bonds b. a single covalent bond c. hydrogen bonds d. a double covalent bond Question 14 Correct 1.00 points out of 1.00 Flag question Question text As ice melts, Select one: a. heat is released b. hydrogen bonds are broken c. the water becomes less dense d. water molecules become less tightly packed Question 15 Correct 1.00 points out of 1.00 Flag questionQuestion text Table salt is formed when Select one: a. chlorine gives an electron to sodium b. sodium donates its single outer electron to chlorine c. a hydrogen bond forms between sodium and chlorine d. sodium and chlorine share electrons to form a bond Question 16 Incorrect 0.00 points out of 1.00 Flag question Question text Which of the following statements about water is false? Select one: a. ice is more dense than liquid water b. Water naturally exists in all three physical states on Earth c. floating ice on a pond insulates the liquid water below, slowing its rate of freezing d. if ice sank, the oceans would eventually freeze solid Question 17 Incorrect 0.00 points out of 1.00 Flag question Question text What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? Select one: a. 18b. 8 c. 12 d. 6 Question 18 Correct 1.00 points out of 1.00 Flag question Question text The emission of ________ and ________ are primarily responsible for acid precipitation. Select one: a. nitrogen oxides, sulfur oxides b. halones, CFCs c. carbon dioxide, ozone d. carbon dioxide, methane Question 19 Correct 1.00 points out of 1.00 Flag question Question text Which of the following is another term used for atomic mass? Select one: a. mendel b. dalton c. darwin d. calvinQuestion 20 Correct 1.00 points out of 1.00 Flag question Question text Water molecules stick to other water molecules because Select one: a. water molecules are neutral, and neutral molecules are attracted to each other b. covalent bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules c. hydrogen bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules d. the oxygen atoms of adjacent water molecules are attracted to one another Which one of the following would be correctly classified as a protein? Select one: a. cholesterol b. enzymes c. starch d. cellulose Question 2 Correct 1.00 points out of 1.00 Flag question Question textA protein containing more than one polypeptide chain exhibits the ________ level of protein structure. Select one: a. tertiary b. primary c. quaternary d. secondary Question 3 Correct 1.00 points out of 1.00 Flag question Question text Proteins differ from one another because Select one: a. the peptide bonds linking amino acids differ from protein to protein b. the sequence of amino acids in the polypeptide chain differs from protein to protein c. the number of nucleotides found in each protein varies from molecule to molecule d. each protein contains its own unique sequence of sugar molecules Question 4 Correct 1.00 points out of 1.00 Flag question Question text High fructose corn syrup is made from corn. The main carbohydrate in corn is a polysaccharide called Select one:a. hydrocarbon b. fructose c. starch d. cellulose Question 5 Correct 1.00 points out of 1.00 Flag question Question text Which of the following is an example of secondary structure in a protein? Select one: a. a globular shape b. the joining of two polypeptide chains c. an alpha helix d. a particular amino acid sequence Question 6 Correct 1.00 points out of 1.00 Flag question Question text An oil may be converted into a substance that is solid at room temperature by Select one: a. removing water, causing a dehydration synthesis reaction to occur b. adding hydrogens, decreasing the number of double bonds in the molecules c. removing hydrogens, increasing the number of double bondsd. cooling it, so that double bonds form and the fats solidify Question 7 Correct 1.00 points out of 1.00 Flag question Question text If you were to add olive oil to your food as part of a diet to lower your risk of atherosclerotic disease, you would use olive oil that Select one: a. is hydrogenated b. has lard added to it c. is modified to be solid at room temperature d. is liquid at room temperature Question 8 Correct 1.00 points out of 1.00 Flag question Question text DNA differs from RNA because DNA Select one: a. contains phosphate groups not found in RNA b. contains the sugar ribose rather than the sugar deoxyribose c. contains thymine in place of uracil d. consists of a single rather than a double polynucleotide strand Question 9 Correct 1.00 points out of 1.00Flag question Question text Which of the following substances is a lipid? Select one: a. steroids b. DNA c. enzymes d. cellulose Question 10 Correct 1.00 points out of 1.00 Flag question Question text The results of dehydration synthesis can be reversed by Select one: a. hydrolysis b. polymerization c. the addition of an amino group d. condensation Question 11 Correct 1.00 points out of 1.00 Flag questionQuestion text A diet high in animal products and hydrogenated vegetable margarine may increase the risk for atherosclerosis. This is because Select one: a. most animal fats are unsaturated and most hydrogenated vegetable margarines contain high levels of steroids b. most hydrogenated vegetable margarines are hydrogenated oils and most animal products contain high levels of phospholipids c. most animal fats are used for energy storage and most hydrogenated vegetable margarines contain high levels of unsaturated fats d. most animal fats are saturated and many hydrogenated vegetable margarines contain high levels of trans fats Question 12 Correct 1.00 points out of 1.00 Flag question Question text The molecular formula of most monosaccharides represents a multiple of Select one: a. cHO b. cH3O c. cHO2 d. cH2O Question 13 Correct 1.00 points out of 1.00 Flag question Question textWhat is the general function of enzymes within a cell? Select one: a. to stop chemical reactions b. to speed up chemical reactions c. to induce chemical reactions d. to promote the synthesis of monomers Question 14 Incorrect 0.00 points out of 1.00 Flag question Question text Which of the following statements regarding nucleotides is false? Select one: a. nucleotides contain nitrogenous bases b. nucleotides contain lipids c. nucleotides contain sugar molecules d. nucleotides can be linked together to form nucleic acids Question 15 Correct 1.00 points out of 1.00 Flag question Question text Which of the following functional groups is capable of regulating gene expression? Select one: a. oH b. cOOHc. cO d. cH3 Question 16 Correct 1.00 points out of 1.00 Flag question Question text Glucose molecules are to starch as ________ are to proteins. Select one: a. fatty acids b. amino acids c. monosaccharides d. oils Question 17 Correct 1.00 points out of 1.00 Flag question Question text Which of the following statements about dehydration synthesis is false? Select one: a. h2O is formed as the monomers are joined b. covalent bonds are formed between the monomers c. one monomer loses a hydrogen atom, and the other loses a hydroxyl group d. animal digestive systems utilize this process to break down food Question 18Correct 1.00 points out of 1.00 Flag question Question text Which of the following is a carboxyl group? Select one: a. nH2 b. oH c. cO d. cOOH Question 19 Correct 1.00 points out of 1.00 Flag question Question text Cows can derive nutrients from cellulose because Select one: a. their intestinal tract contains cellulose-hydrolyzing microorganisms b. they convert cellulose into starch, which is easily broken down in the intestinal tract c. they chew their food so thoroughly that cellulose fibers are broken down d. they produce the enzymes that break down cellulose Question 20 Correct 1.00 points out of 1.00Flag question Question text The storage form of carbohydrates is ________ in animals and ________ in plants. Select one: a. glycogen, starch b. cellulose, glycogen c. starch, glycogen d. glycogen, cellulose As cell size increases, the Select one: a. volume and surface area decrease b. surface area increases faster than the volume c. surface area and volume increase at the same rate d. volume increases faster than the surface area