ATI TEAS QUESTION AND ANSWERS LATEST UPDATE: ALREADY
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A scientist is trying to determine how much poison will kill a rat the fastest. Which of the following is an example of an appropriate hypothesis?The more poison the rat is given, the quicker it will die.In testing how quickly a rat dies by the amount of poison it eats, which of the following is the independent variable and which is the dependent variable?Amount of poison Which of the following is a representation of a natural pattern or occurrence that's difficult or impossible to experience directly?Models Which of the following is a standard or series of standards to which the results from an experiment are compared?A control "This flow is dead; someone must have forgotten to water it." This is an example of which of the following?An inference Which of the following correctly displays 8,600,000,000,000 in scientific notation (to two significant figures)?
8.6 x 10^12 The acceleration of falling object dude to gravity has been proven to be 9.8 m/s^2. A scientist drops a cactus 4 times and measures the acceleration with an accelerometer and gets the follow results: 9.79 m/s^2, 9.81 m/s^2, 9.80 m/s^2, and 9.78 m/s^2. Which of the following accurately describes the measurements?Accurate What is the molarity of a solution made by dissolving 4.0 grams of NaCl into enough water to make 120 mL of solution? The atomic mass of Na is 23.0 g/mol and Cl is 35.5 g/mol 0.57 M NaCl Add 23.0 g/mol + 35.5 g/mol = 58.8 g NaCl 4.0 NaCl x (1mol NaCl/58.5 g NaCl) = 0.068 mol NaCl (0.068 mol NaCl)/(0.120L) = 0.57 M NaCl Considering a gas in a closed system, at a constant volume, what will happen to the temp is the pressure in increased? 1 / 2
Temperature will increase What type of chemical reaction produces a salt?Neutralization reaction What types of molecules can move through a cell membrane by passive transport?Oxygen What is ONE feature that both prokaryokes and eukaryotes have in common?A plasma membrane What is the LAST phase of mitosis?Metaphase How many daughter cells are formed from one patent cell during meiosis?two Which level of protein structure is defined by the folds and coils of the proteins polypeptide backbone?Secondary What is the sensory threshold?The smallest amount of stimulus required for an individual to feel sensation How many neurons generally make up a sensory pathway?3 In which part of the eye does visual processing begin?Retina What type of vessel carries oxygen-rich blood from the heart to the other tissues of the body?Arteries The somatic nervous system is responsible for which of the following?Movement The process of breaking large molecules into smaller molecules to provide energy is known as which of the following?Catabolism Which blood component is chiefly responsible for clotting?Platelets
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