ATI TEAS 7
Math Practice TEAS Test
1. How many ounces are in a pound?
- A. 8 ounces
- B. 16 ounces
- C. 32 ounces
- D. 12 ounces
Correct answer: B
Rationale: The correct answer is B: 16 ounces. There are 16 ounces in a pound. This conversion is a common measure of weight in the imperial system. Choices A, C, and D are incorrect because they do not reflect the correct conversion of ounces in a pound.
2. Complete the following equation: x + x * x - x / x = ?
- A. 5
- B. 3
- C. 2
- D. 1
Correct answer: B
Rationale: To solve the equation x + x * x - x / x, follow the order of operations (PEMDAS/BODMAS). First, perform the multiplication: x * x = x^2. Then, perform the division: x / x = 1. Substituting these back into the equation gives x + x^2 - 1. Therefore, the equation simplifies to x + x^2 - 1. By evaluating this further, the final result is 3. Choices A, C, and D are incorrect because they do not correctly apply the order of operations to solve the equation.
3. Which of the following uses a conjunction to combine the sentences below so the focus is on puppies requiring a lot of work? 'Puppies are fun-loving animals. They do require a lot of work.'
- A. Puppies are fun-loving animals; they do require a lot of work.
- B. Puppies are fun-loving animals, so they do require a lot of work.
- C. Since puppies are fun-loving animals, they do require a lot of work.
- D. Although puppies are fun-loving animals, they do require a lot of work.
Correct answer: D
Rationale: The correct answer is 'D' because the conjunction 'Although' conveys contrast and shifts the focus to emphasize that puppies require a lot of work despite being fun-loving. Choice A uses a semicolon, which does not emphasize the contrast needed in the context. Choice B introduces a causal relationship, not the intended contrast. Choice C uses 'Since,' which implies a causal connection rather than the desired contrast, making it incorrect.
4. Which term refers to the resistance of a liquid to flow?
- A. Density
- B. Viscosity
- C. Surface tension
- D. Boiling point
Correct answer: B
Rationale: Viscosity is the term that refers to the resistance of a liquid to flow. It is a measure of how thick or sticky a fluid is and determines how easily a liquid can flow. Density (A) is a measure of how much mass is contained in a given volume and is not related to the resistance of a liquid to flow. Surface tension (C) is the property of a liquid that allows it to resist an external force due to the cohesive nature of its molecules, but it is not directly related to the resistance of a liquid to flow. Boiling point (D) is the temperature at which a liquid changes to a vapor and is not a measure of the resistance of a liquid to flow.
5. The Human Genome Project is a worldwide research project launched in 1990 to map the entire human genome. Although the Project was faced with the monumental challenge of analyzing tons of data, its objective was completed in 2003, two years ahead of its deadline. Which of the following inventions likely had the greatest impact on this project?
- A. The sonogram
- B. X-ray diffraction
- C. The microprocessor
- D. Magnetic Resonance Imaging (MRI)
Correct answer: C
Rationale: The microprocessor, a key component of modern computers, played a crucial role in the success of the Human Genome Project. The ability of microprocessors to process vast amounts of data quickly and efficiently allowed scientists to analyze the massive amounts of genetic information generated by the project. This technological advancement significantly accelerated the pace of genome sequencing and data analysis, ultimately leading to the completion of the project ahead of schedule. Choices A, B, and D are incorrect. The sonogram is used for imaging in medical diagnostics, X-ray diffraction is a technique for studying the structure of materials at the atomic level, and Magnetic Resonance Imaging (MRI) is a medical imaging technique that uses magnetic fields and radio waves to produce detailed images of the body. While these inventions have their own importance in various fields, they did not have the same impact on the Human Genome Project as the microprocessor did.
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