ATI TEAS 7
ATI TEAS 7 Science
1. In experimental design, which variable is measured as a possible effect and is plotted on the y-axis?
- A. Independent, x
- B. Independent, y
- C. Dependent, x
- D. Dependent, y
Correct answer: D
Rationale: The correct answer is D: 'Dependent, y.' In experimental design, the dependent variable is the outcome that is being measured or observed as a result of changes in the independent variable. It is typically plotted on the y-axis of a graph to represent the effect or response to the changes in the independent variable. Choice A 'Independent, x' is incorrect because the independent variable is the variable manipulated by the experimenter and is usually plotted on the x-axis. Choice B 'Independent, y' is incorrect as the independent variable is not plotted on the y-axis. Choice C 'Dependent, x' is incorrect because the dependent variable is not typically plotted on the x-axis in experimental design.
2. What is the term used to describe the inability of the kidneys to effectively filter waste products from the blood?
- A. Dehydration
- B. Kidney failure
- C. Incontinence
- D. Nephritis
Correct answer: B
Rationale: Kidney failure is the term used to describe the inability of the kidneys to effectively filter waste products from the blood. Dehydration refers to insufficient fluid intake and not the kidney's filtering function. Incontinence is the loss of bladder control, not related to kidney filtration. Nephritis is the inflammation of the kidneys, not specifically related to the kidneys' inability to filter waste products.
3. Which of the following would be the best concluding statement for this passage?
- A. States should consider the importance of foreign languages for the global economy when making policies regarding foreign language requirements for high school graduation.
- B. Policies for high school graduation should consider the significance of foreign languages for the global economy, college acceptance rates, and job opportunities.
- C. Influence of a second language on college acceptance rates warrants a foreign language class as a high school graduation requirement.
- D. The difficulty of obtaining a job in today’s economy without knowledge of multiple languages should be considered when setting foreign language requirements for high school graduation.
Correct answer: B
Rationale: Choice B provides the best concluding statement for this passage as it encapsulates the main argument and key supporting details presented in the extract. The passage emphasizes the importance of foreign languages for the global economy, the impact on college acceptance rates, and enhanced job opportunities for individuals proficient in more than one language. Choice B effectively summarizes these points, making it the most appropriate conclusion. Choices A, C, and D, while related to the main argument, only touch on one supporting detail each. Choice A focuses solely on the importance of foreign languages for the global economy, while choice C emphasizes the influence of a second language on college acceptance rates. Choice D highlights the difficulty of job acquisition without knowledge of multiple languages. These choices do not encompass the breadth of supporting details provided in the passage, making them less effective as concluding statements.
4. What is the recommended daily fluid intake for adults?
- A. 1 liter
- B. 2 liters
- C. 3 liters
- D. 4 liters
Correct answer: B
Rationale: The recommended daily fluid intake for adults is typically around 2 liters, which is equivalent to about 8 cups or half a gallon. This amount can vary depending on factors such as age, gender, weight, activity level, and climate. Staying adequately hydrated is essential for overall health and helps maintain proper bodily functions, such as regulating body temperature, aiding digestion, and transporting nutrients and oxygen throughout the body. Drinking enough fluids also helps prevent dehydration, which can lead to symptoms like fatigue, headaches, and dizziness. Choice A, 1 liter, is insufficient and may not meet the body's hydration needs, while choices C and D, 3 liters and 4 liters, respectively, are excessive for most adults and could potentially lead to overhydration, which may have negative health consequences. It's important to note that individual fluid needs may vary, so it's always best to consult with a healthcare provider for personalized recommendations.
5. Which of the following is responsible for carrying electrical impulses in the nervous system?
- A. Platelets
- B. Neurons
- C. Red blood cells
- D. White blood cells
Correct answer: B
Rationale: Neurons are the correct answer as they are specialized cells in the nervous system that transmit electrical impulses throughout the body. Neurons have structures like axons and dendrites that enable the transmission of electrical signals. Platelets are responsible for blood clotting, red blood cells carry oxygen, and white blood cells are part of the immune system; however, none of these cell types play a role in carrying electrical impulses in the nervous system.
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