ATI TEAS 7 SCIENCE PRACTICE TEST

ATI TEAS 7 SCIENCE PRACTICE TEST TEST QUESTIONS ONE FOR MORE INFORMATIOM EMAIL AT: 1. The movement of food through the intestines is known as: A. Peristalsis B. Ileum translation C. Microvilli propulsion D. Flexure propulsion 2. The enzyme maltase does the following: A. Breaks down lactose to glucose B. Turns glucose into maltose C. Breaks down maltose to glucose D. Turns glucose into lactose 3. High levels of bilirubin in the blood stream can result in: A. Uric acid overexposure B. Jaundice C. Bile salt production D. Hepatic mutation 4. The symbol B on the periodic table stands for: A. Beryllium B. Boron C. Barium D. Berkelium 5. The symbol Mn on the periodic table stands for: A. Magnesium B. Molybdenum C. Manganese D. Margon 6. The symbol Ca on the periodic table stands for: A. Calcium B. Carbon C. Cobalt D. Chlorine 7. The symbol Br on the periodic table stands for: A. Beryllium B. Boron C. Barium D. Bromine 8. Vinegar is also known as: A. Acetic acid B. Acetone acid C. Sulfuric acid D. Ascorbic acid 9. A Lewis acid is a/an pair acceptor. A. Neutron B. Proton C. Electron D. Ion 10. reactions produce heat. A. Endothermic B. Exothermic C. Hydrogen D. Buffered 11. Which of the following match the definition: The pressure (P) is inversely proportional to the volume (V) of a gas. A. Archimedes' principle B. Charles' law C. Boyle's law D. Anderson's principle 12. The combination of sodium and chlorine to form NaCl is considered a/an bond. A. Ionic B. Covalent C. Hydrogen D. Metallic 13. Outer shell electrons are known as electrons. A. Hybrid B. Valence C. Vector D. Transitional 14. Forces can be indicated on graph paper by the use of . A. Empirical rules B. Interaction coefficients C. Variables D. Vectors 15. P1V1 = P2V2 represents: A. Archimedes' principle B. Charles' law C. Boyle's law D. Anderson's principle 16. Which of the following is not considered a primary color of light? A. Green B. Blue C. Red D. Yellow 17. The unit of charge is called the . A. Newton B. Coulomb C. Joule D. Watt 18. A/An is a device specifically designed to measure current. A. Ammeter B. Cyclotron C. Resistor D. Capacitor 19. The two bones found in the area between the knee and ankle in humans are known as: A. Femur and Tibia B. Fibula and Tibia C. Ulna and Tibia D. Radius and Tibia 20. is the current flow of one coulomb per second. A. Ampere B. Joule C. Watt D. Kilowatt 21. When the chromosomes line up in mitosis this is known as which phase? A. Telophase B. Anaphase C. Metaphase D. Prophase 22. Which cellular organelle contains enzymes that are considered digestive? A. Golgi Apparatus B. Lysosomes C. Nucleus D. Ribosomes 23. Organs repair themselves through a process of? A. Meiosis B. Mitosis C. Cellular differentiation D. Transformation 24. Which of the following is considered a model for enzyme action? A. Lock and Key model B. Enzyme interaction model C. Transformation model D. Transcription model 25. Which of the following statements about enzymes is not true? A. Enzymes are catalysts. B. Almost all enzymes are proteins. C. Enzymes operate most efficiently at optimum pH. D. Enzymes are destroyed during chemical reactions. 26. Which of the following statements about prostaglandins is not true? A. Prostaglandins promote inflammation. B. Prostaglandins can only constrict blood vessels. C. Prostaglandins are made in the renal medulla. D. Prostaglandins can lead to pain and fever. 27. Cholesterol that is known as (LDL) stands for: A. Low-density lipoproteins B. Low-density lysosomes C. Level-density lipoproteins D. Level-density lysosomes 28. Hardening of the arteries is known as: A. Atheriosclerosis B. Venous narrowing C. Micro-circulation D. Hypertension 29. The top number on a blood pressure reading indicates: A. Diastolic pressure B. Transient pressure C. Optimum pressure D. Systolic pressure 30. Litmus paper that is blue will turn/stay in the presence of a strong base. A. Orange B. Red C. Blue D. Green 31. Breathing properly requires the presence of what compound that affects surface tension of alveoli in the lungs? A. Potassium B. Plasma C. Surfactant D. Sodium Chloride 32. Which of the following is not considered a function of the kidneys? A. Secretion B. Reabsorption C. Transport D. Filtration 33. The functional unit of the kidney is known as? A. Medulla B. Glomerulus C. Pyramid D. Nephron 34. Which of the following formulas indicate the ideal gas law? A. PV= knT or PV=RnT B. V=kT C. PV = k D. KTV =PR 35. Which of the following is not considered a characteristic or property of a gas? A. Volume B. Mass C. Pressure D. Particles 36. Which of the following is described in the definition: An object immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object? A. Archimedes' principle B. Charles' law C. Boyle's law D. Anderson's principle 37. Liquids that evaporate quickly are known as liquids. A. Viscous B. Volatile C. Evaporative D. Transient 38. High frequency sound waves are known as: A. Fundamental waves B. Overtones C. Consonance waves D. Dissonance waves 39. The first American to win a Nobel Prize was for measuring the speed of light. A. Albert Einstein B. Albert Michelson C. Grimaldi D. Thomas Young 40. What anatomical structure connects the stomach and the mouth? A. Trachea B. Spinal column C. Hepatic duct D. Esophagus 41. Which of the following is considered a component of lipids? A. Plasma cells B. Fatty acids C. Nucleic acids D. Zinc 42. Down's syndrome affects chromosome . A. 13 B. 15 C. 21 D. 23 43. Blood enters the lungs from which chamber of the heart? A. Right atrium B. Left atrium C. Right ventricle D. Left ventricle 44. Excessive consumption of alcohol is most likely to damage which organ of the body over a long period of time? A. Kidney B. Liver C. Pancreas D. Gallbladder 45. Which of the following is not considered a type of radiation ray? A. Gamma B. Beta C. Alpha D. Infrared 46. A molecule of hemoglobin can hold how many molecules of oxygen in the blood for transport? A. 2 B. 4 C. 6 D. 8 47. Which of the following best describes the biomechanics of breathing? A. Pump handle motion B. Lever action C. Inspiration D. Expiration 48. Animals that eat meat almost exclusively are known as: A. Herbivores B. Carnivores C. Arthropods D. Prolific organisms 49. The physical expressions of a gene are known as an organism's: A. Transcription B. Genotype C. Phenotype D. Translation 50. A ball is traveling at a constant velocity of 50 m/s and has been traveling for over 2 minutes. What is the ball's acceleration? A. 0 B. 25 m/s C. 25 m/s D. 50 m/s2 51. Neurons connect together at a . A. Synergy B. Terminal site C. Docking station D. Synapse 52. Which of the following is another word for the kneecap in the human body? A. Pisiform B. Meniscus C. Popliteal bursa D. Patella 53. Which of the following describes the shoulder joint? A. Ball and socket joint B. Saddle joint C. Hinge joint D. Pivot joint 54. The organ of Corti is found in what area of the body? A. Mouth B. Ear C. Nose D. Lungs 55. The condition of rickets is associated with a deficiency in which vitamin? A. A B. C C. D D. Z 56. A steroid is considered a . A. Lipid B. Protein C. Enzyme D. Weak acid 57. The X cranial nerve is the nerve. A. Abducens B. Hypoglossal C. Facial D. Vagus 58. Which of the following pH ranges is a strong base? A. 1.3-2.0 B. 4.5-5.2 C. 7.1-9.0 D. 11.2-12.0 59. Which chamber of the heart pumps blood to the systemic circulation? A. Left Atrium B. Right Atrium C. Left Ventricle D. Right Ventricle 60. Which of the following formulas indicates Newton's second law of motion? A. F = ma B. F = mva C. v = d/t D. p = mv TEST QUESTIONS TWO 1. An organism with chloroplasts in its cells is probably. a. a heterotroph b. an autotroph c. an herbivore d. a primary consumer B: Organisms that have chloroplasts in their cells carry on photosynthesis and are therefore autotrophs. Autotrophs make their own food. 2. What property of water allows someone to fill a glass slightly above the rim without the water flowing over? a. specific gravity b. capillarity c. opacity d. surface tension D: Water molecules are polar. Due to the fact that O2 draws the electrons in the molecule toward itself. 3. The spaces between neurons are called? a. synapses b. dendrites c. inter-neurons d. cell gaps A: An impulse travels down the axon of a neuron and reaches the terminus. There, chemicals are released in response, which travel across the synapse to the next neuron. Thus the impulse is transmitted to the next neuron. 4. Which Group of chemicals is not normally found in most living things? a. carbohydrates b. proteins c. silicates d. nucleic acids C: Carbohydrates, proteins, and nucleic acids (RNA and DNA) are all very important chemicals in living things. 5. The alimentary canal is associated with the? a. spinal cord b. digestive system c. urinary tract d. birth canal B: The alimentary canal begins at the mouth and ends at the anus. 6. The numerous villi in the small intestine serve to? a. secrete enzymes for digestion b. absorb water from dissolved foods c. secrete hydrochloric acid to dissolve food d. provide greater surface for absorption D: The villi are tiny projections in the small intestine that increase the total surface area of the intestine for absorption of digested nutrients. 7. As light passes obliquely from air to water, it is bent. This bending is called? a. diffraction b. reflection c. refraction d. dispersion C: Refraction is the bending of light as it passes obliquely from one medium to another. 8. Which of the following organelles is not involved in protein synthesis? 9. a. ribosome b. mitochondrion c. rough endoplasmic reticulum d. nucleus D: The nucleus contains DNA. The ribosomes, located on the rough endoplasmic reticulum, are the site for protein synthesis. 10. To be absorbed by cells, proteins must be changed to? a. amino acids b. sucrose c. fatty acids d. glycerol