ATI TEAS 7
TEAS Math Questions
1. What percentage of the staff is certified and available to work in the neonatal unit during the holiday if 35% are on vacation and 20% of the remainder are certified?
- A. 0.07
- B. 0.13
- C. 0.65
- D. 0.8
Correct answer: A
Rationale: After 35% of the staff are on vacation, 65% remain. Since 20% of the remaining staff are certified, you multiply 0.20 by 65% (0.20 * 65% = 0.13 or 13%). Therefore, the correct answer is 0.13 or 13%. Choices C and D are incorrect as they do not represent the correct calculation for the percentage of certified staff available. Choice B is incorrect because it incorrectly states the calculated percentage as 0.13 instead of 0.07.
2. Which of the following substances is NOT typically found in healthy urine?
- A. Urea
- B. Glucose
- C. Creatinine
- D. Electrolytes
Correct answer: B
Rationale: Glucose is not typically found in healthy urine because the kidneys usually filter glucose from the blood and reabsorb it back into the bloodstream. The presence of glucose in urine, known as glucosuria, is usually indicative of diabetes or other medical conditions affecting glucose regulation. On the other hand, urea, creatinine, and electrolytes are commonly present in healthy urine as byproducts of metabolism and electrolyte balance. Urea is a waste product of protein metabolism, creatinine is a waste product of muscle metabolism, and electrolytes are essential for various physiological functions in the body. Therefore, choices A, C, and D are typically found in healthy urine, making them incorrect answers.
3. 10^6 m can be expressed as ____.
- A. 1 kilometer
- B. 1 megameter
- C. 1 gigameter
- D. 1 terameter
Correct answer: A
Rationale: The correct answer is A: 1 kilometer. 10^6 meters is equivalent to 1 kilometer, not 1 megameter. The prefix 'kilo-' represents a factor of 10^3 or one thousand, which is the appropriate conversion in this case. Choice B, 1 megameter, would be 10^6 meters squared. Choices C and D, 1 gigameter and 1 terameter, would represent even larger distances, as 'giga-' represents 10^9 and 'tera-' represents 10^12.
4. Which of the following statements best defines an organelle?
- A. Layer of polysaccharides outside the plasma membrane of cells.
- B. Abnormal infectious proteins.
- C. Specialized structures within a cell.
- D. Collection of tissues used to serve a specific function.
Correct answer: C
Rationale: The correct answer is C: 'Specialized structures within a cell.' An organelle is a specialized subunit within a cell that has a specific function. Organelles are membrane-bound structures found within the cytoplasm of eukaryotic cells, each performing distinct roles that contribute to the overall functioning of the cell. Choices A, B, and D are incorrect. Option A describes the glycocalyx, which is a layer of polysaccharides outside the plasma membrane of cells. Option B refers to prions, abnormal infectious proteins. Option D defines an organ, a collection of tissues used to serve a specific function, rather than an organelle within a cell.
5. Given the information in the passages, which of the following must be true about assault?
- A. Not all assault is considered an expression of lethal force.
- B. There are various forms of assault.
- C. Smaller, weaker people can commit assault.
- D. Assault can be justified in certain situations.
Correct answer: B
Rationale: The passages clearly outline that assault can manifest in different forms, including physical strikes, threatening body language, and provocative language. This variety of actions demonstrates that there are indeed various forms of assault. This choice is correct because it aligns with the information provided in the passages. Choice A is incorrect as the passages differentiate between lethal force and assault, indicating that not all assault involves lethal force. Choice C is incorrect since there are no restrictions mentioned regarding who can commit assault. Choice D is incorrect because the passages do not provide a blanket justification for assault but rather emphasize the unlawful and threatening nature of such actions.
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