ATI TEAS Version 7 Practice Test – Science Final Exam

Which blood group is the universal donor? - ANSWERSType O A universal blood donor has type O, universal aceptor is type AB. Blood oxygen levels are most likely low when blood _________. - ANSWERSfills the right atrium An intracellular chemical signal can be produced in the cell membrane. Once it is produced, where does it go? - ANSWERSTo another part of the same cell After food has been masticated in the oral cavity, where does it go next? - ANSWERSpharynx The diffusion of nutrients through the walls of the digestive system is critical to homeostasis in the body. Where does the majority of this diffusion take place in the digestive system? - ANSWERSsmall intestine As soon as an invader, known as a(n) _____, enters the body, the body begins to fight. - ANSWERSpathogen Where is skeletal muscle found? - ANSWERSattached to bones If a person smells something sweet, what form of information is this initially perceived as in the nervous system? - ANSWERSsensory While hiking, a person is startled after encountering a bear. Her palms get sweaty and her heart starts racing. Which part of her nervous system was directly stimulated? - ANSWERSsympathetic Which of the following types of tissues include cells of the immune system and of the blood? - ANSWERSconnective tissue Which best describes homeostasis? - ANSWERSA relatively constant environment within the body Fertilization (the fusing of one sperm and an ovum) results in a(n) _________. - ANSWERSzygote Which of the following are included in the male reproductive system? - ANSWERSthe penis and epididymis What structure plays a role in air conduction? - ANSWERStrachea What body system is the skeletal system most closely associated with when hematopoises happens? - ANSWERSCardiovascular system What is the final structure through which urine must travel to empty out of the body? - ANSWERSurethra Which sequence describes the hierarchy level of biological organization? - ANSWERSKingdom, Phylum, Class, Order, Family, Genus, Species Which example is part of the scientific method? - ANSWERSA researcher analyzes how many plants respond well to a new fertilizer. What standard is used to make comparisons in experiments? - ANSWERScontrol group Why did it take many years for the cell theory to be developed? - ANSWERSAdvancements in microscopy took place slowly. What organelle is only associated with plant cells? - ANSWERScell wall Which of the following is supported by the cell theory? - ANSWERSCells are alive and recognized as the building blocks for life. What raw inorganic material would an autotroph most likely use to create chemical energy for growth? - ANSWERSminerals in soil When would a cell most likely contain the most nucleotides? - ANSWERSG1 What is the correct order of the stages of the cell cycle? - ANSWERSG1, S, G2, M A student notices a pattern of stripes on five tigers. Each of the five tigers has the same stripe pattern. Using his inductive reasoning, what does he logically assume based on this information? - ANSWERSEach offspring will have the same stripe pattern A researcher notices a positive correlation between the height of a plant and nutrient concentration over time. Based on this observation, what conclusion does he reach? - ANSWERSWhen the amount of nutrients available to the plant increases, its height also increases. Which statement best represents Mendel's experiments with garden peas? - ANSWERSMendel collaborated with others interested in genetics to develop heredity guidelines we still use today. Which of the following is a component of a chromosome? - ANSWERScentromere What solution has a pH of 7? - ANSWERSpure water Which is classified as a type of acid-based reaction that produces a salt? - ANSWERSNeutralization Which of the following determines the strength of an acidic solution? - ANSWERSMeasured pH value less than 7 What type of bond forms between nitrogen and oxygen, and why? - ANSWERScovalent, because electrons are shared Which of the following atoms is a cation? - ANSWERS82 protons, 125 neutrons, 78 electrons Because it has more protons than electrons, this atom has a positive charge and can be classified as a cation. A spoonful of sugar is added to a hot cup of tea. All the sugar dissolves. How can the resulting solution be described? - ANSWERSUnsaturated and homogeneous In the following single-replacement reaction, __________ replaces __________. Cl2+2NaI -> 2NaCl+I2 - ANSWERSChlorine, Iodine _________ is dependent not only on the temperature, but also on the amount of substance available. - ANSWERSevaporation During which of the following phase changes will the cohesion between the particles in a substance decrease? - ANSWERSvaporization In which state of matter are the intermolecular forces between particles in a substance the strongest? - ANSWERSsolid Mendel discovered the pattern associated with _______ after developing a series of rules in genetics. - ANSWERSheredity The sequence of amino acids in a gene determines. - ANSWERSprimary structure of a protein Which is true regarding the Urinary system? (Select all that apply.) - ANSWERSKidney helps regulate water balance. Regulates levels of electrolytes such as sodium and potassium. Eliminates metabolic waste. During the aging process, not all hormone levels decrease; some actually increase. Which of the following is a hormone that may increase as a person ages? - ANSWERSluteinizing hormone What phase is the cell cycle part of? - ANSWERSInterphase In which state of matter do the particles of iron have the lowest amount of cohesion? - ANSWERSGaseous iron particles have the lowest amount of cohesion A person is diagnosed as having acidosis, a condition in which the blood pH is below 7.45. What does the doctor most likely conclude? - ANSWERSToo much carbon dioxide is found in the blood An atom has 28 protons, 32 neutrons, and 28 electrons. What is the name of this isotope? - ANSWERSNickel-60 Protons+neurons The physical appearance or _______of an organism is determined by a set of alleles. - ANSWERSPhenotype Arrange the path of food through the digestive system. - ANSWERSOral Cavity Pharynx Esophagus Pyloric Sphincter Small Intestine Large Intestine Colon