Question: A highly agitated client paces the unit and states, “I could buy and sell this place.” The client’s mood fluctuates from fits of laughter to outbursts of anger. Which is the most accurate documentation of this client’s behavior?
Answer Choices:\n\n”Rates mood 8/10. Exhibiting looseness of association. Euphoric.” “Mood labile. Exhibiting delusions of reference. Hyperactive.” “Mood euthymic. Exhibiting magical thinking. Restless.” “Agitated and pacing. Exhibiting grandiosity. Mood Labile.”
Answer:\nAgitated and pacing. Exhibiting grandiosity. Mood Labile.
Question: Which of the following describes why water has a concave, or downward-curving, meniscus when poured in a glass beaker?
Answer Choices:\n\nThe adhesive forces with the glass are greater than the cohesive forces. The cohesive forces with the glass are greater than the adhesive forces. Glass has a higher density than water. Water has a higher density than glass.
Answer:\nThe adhesive forces with the glass are greater than the cohesive forces.
Question: A farmer needs to buy fertilizer for his farmland. The instructions on the bag of fertilizer say 49.5 pounds of fertilizer is needed for 1 acre of land. The farmer buys 2,000 pounds of fertilizer. Which of the following is the approximate number of acres he can cover with the fertilizer he bought?
Answer Choices:\n\n125 1,000 40 300
Answer:\n40
Question: An employee discovers that 0.0025 of all products produced at a factory contain defects. Which of the following percentages does this represent?
Answer Choices:\n\n25% 0.025% 0.25% 2.5%
Answer:\n0.25%
Question: Which of the following occurs during inhalation?
Answer Choices:\n\nAir moves from areas of low pressure to areas of high pressure. The ribcage lowers. The volume of the thoracic cavity decreases. The diaphragm moves downward.
Answer:\nThe diaphragm moves downward.
Question: The hypotenuse (side C) of a triangle is 13 inches long. Which of the following pairs of measurements could be correct for the lengths of the other two sides of the triangle?
Answer Choices:\n\n2.5 inches, 4 inches 2.5 inches, 6 inches 5 inches, 12 inches 5 inches, 8 inches
Answer:\n5 inches, 12 inches
Question: A student investigating the importance of wavelengths above and below the visible spectrum for photosynthesis sets up an experiment as follows over a 2-month period, all with illumination at 1 meter distance from plants grown with the same soil and watering conditions: 3 Arabidopsis plants exposed to ultraviolet light (UV), 3 Arabidopsis plants exposed to infrared light (IR), 3 Arabidopsis plants exposed to white light. At the end of the experiment, she finds that the IR treated plants are scorched, the UV treated plants have wilted, but the white light-treated plants are growing normally. Which of the following statements is most likely to be correct?
Answer Choices:\n\nThree plants do not provide sufficient replications to draw a conclusion. Wavelength of light is the only variable that has been changed between groups. The wavelength of light does not affect photosynthesis. Infrared light contains more energy than the other wavelengths.
Answer:\nWavelength of light is the only variable that has been changed between groups.
Question: Which of the following best describes adaptive immunity?
Answer Choices:\n\nThe body’s barrier defenses, such as mucous membranes and secretions. The initiation of internal defenses, such as phagocytes and natural killer cells. A response to specific traits of specific pathogens. The initiation of the inflammatory response.
Answer:\nA response to specific traits of specific pathogens.
Question: The following diagram summarizes the carbonic acid-bicarbonate ion buffer system of the blood: CO₂ + H₂O ↔ H₂CO₃ ↔ HCO₃⁻ + H⁺. Which of the following equations shows the reaction that takes place when there are excessive protons (H⁺) in the blood?
Answer Choices:\n\nH₂CO₃ → CO₂ + H₂O HCO₃⁻ + H⁺ → H₂CO₃ H₂CO₃ → HCO₃⁻ + H⁺ CO₂ + H₂O → H₂CO₃
Answer:\nHCO₃⁻ + H⁺ → H₂CO₃
Question: Which of the following is correct regarding the pH scale?
Answer Choices:\n\nA substance with a pH of 3 is 10 times more alkaline than a substance with a pH of 4. A substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4. A substance with a pH of 3 is two times more alkaline than a substance with a pH of 4. A substance with a pH of 3 is two times more acidic than a substance with a pH of 4.
Answer:\nA substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4.
Question: Which of the following is a function of a catalyst?
Answer Choices:\n\nTo increase the activation energy of a reaction. To increase the product yield. To convert a nonspontaneous reaction to a spontaneous reaction. To increase the rate of a reaction.
Answer:\nTo increase the rate of a reaction.
Question: Carbon has an atomic number of 6. Which of the following is true about the isotope C-12?
Answer Choices:\n\nC-12 possesses 7 neutrons and 5 electrons in its nucleus. C-12 possesses 7 protons and 5 neutrons in its nucleus. C-12 possesses 6 neutrons and 6 protons in its nucleus. C-12 possesses 6 protons and 6 electrons in its nucleus.
Answer:\nC-12 possesses 6 neutrons and 6 protons in its nucleus.
Question: A pudding recipe for 50 people calls for 4 cups of sugar. Each bag of sugar contains 6 cups. How many bags of sugar will be needed to make this recipe for 300 people?
Answer Choices:\n\n4 bags 13 bags 24 bags 8 bags
Answer:\n4 bags
Question: The table below shows the miles driven as a function of gallons of gas used. When the function is graphed, what does the ordered pair (6, 144) represent?
Answer Choices:\n\nThe driver can go 144 miles with 6 gallons of gas. The driver can go 24 miles in 1 hour. The driver can go 144 miles in 6 hours. The driver can go 6 miles with 144 gallons of gas.
Answer:\nThe driver can go 144 miles with 6 gallons of gas.
Question: To determine the insurance premium of a car, an insurance company considers the following determinants: the age of the car, the model of the car, and the mileage of the car. Which of the following is the dependent variable?
Answer Choices:\n\nModel Age Mileage Insurance premium
Answer:\nInsurance premium
Question: Which of the following is a property of water?
Answer Choices:\n\nWater is made up of one molecule of hydrogen and two molecules of oxygen. Solid water is more dense than liquid water. Water dissolves polar and ionic compounds. Water requires less heat than ethanol to raise its temperature.
Answer:\nWater dissolves polar and ionic compounds.
Question: A vasectomy is a procedure in which the vas deferens are cut. Which of the following describes why a vasectomy leads to infertility?
Answer Choices:\n\nThe vasectomy blocks the movement of sperm from the epididymis into the urethra. The vasectomy blocks the movement of sperm from the ejaculatory duct into the bulbourethral gland. The vasectomy blocks the movement of sperm from the prostate gland to the bulbourethral gland. The vasectomy blocks the movement of sperm from a testis into the epididymis.
Answer:\nThe vasectomy blocks the movement of sperm from the epididymis into the urethra.
Question: Which of the following substances is excreted by sweat glands in response to the breakdown of proteins and the formation of ammonia?
Answer Choices:\n\nLysozymes Urea Water Sebum
Answer:\nUrea