ATI TEAS 7
TEAS Test Practice Math Questions
Question 1 of 5
A lab technician took 500 milliliters of blood from a patient. The technician used 16.66% of the blood for further tests. How many milliliters of blood were used for further tests? Round your answer to the nearest hundredth.
Correct Answer: C
Rationale: To find the milliliters of blood used for further tests, we first calculate 16.66% of 500 ml: 500 ml x 0.1666 = 83.33 ml. Therefore, the correct answer is C. Choice A is incorrect as it does not account for rounding to the nearest hundredth. Choice B is incorrect as it does not include the exact decimal value. Choice D is incorrect as it rounds up instead of rounding to the nearest hundredth.
Question 2 of 5
University X requires some of its nursing students to take an exam before being admitted into the nursing program. In this year's class, the nursing students were required to take the exam, and all of those who took the exam passed. If this year's class has 200 students, how many students passed the exam?
Correct Answer: B
Rationale: The correct answer is B (100 students passed the exam). Since all students who took the exam passed, if the class has 200 students, then all 200 students must have taken the exam, and all of them passed. Therefore, the total number of students who passed the exam is equal to the total number of students who took the exam, which is 200. So, the correct answer is 200 students passed the exam. Choices A, C, and D are incorrect because they do not reflect the fact that all students who took the exam passed.
Question 3 of 5
In the winter of 2006, 6 inches of snow fell in Chicago, IL. The following winter, 3 inches of snowfall fell in Chicago. What was the percent decrease in snowfall in Chicago between those two winters?
Correct Answer: C
Rationale: To calculate the percent decrease in snowfall: 1. Find the difference in snowfall between the two winters: 6 - 3 = 3 inches. 2. Divide the difference by the initial amount: 3 / 6 = 0.5. 3. Multiply the result by 100 to get the percentage decrease: 0.5 * 100 = 50%. Therefore, the correct answer is C (41.00%) as it is the closest rounded percentage to the calculated 50% decrease. Other choices are incorrect as they do not align with the calculated decrease percentage.
Question 4 of 5
Bob decides to go into business selling lemonade. He buys a wooden stand for $45 and sets it up outside his house. He figures that the cost of lemons, sugar, and paper cups for each glass of lemonade sold will be 10�. Which of these expressions describes his cost for making g glasses of lemonade?
Correct Answer: A
Rationale: Failed to generate a rationale after 5 retries.
Question 5 of 5
Dr. Lee observed that 30% of all his patients developed an infection after taking a certain antibiotic. He further noticed that 5% of those 30% required hospitalization to recover from the infection. What percentage of Dr. Lee's patients were hospitalized after taking the antibiotic?
Correct Answer: C
Rationale: To find the percentage of Dr. Lee's patients hospitalized after taking the antibiotic, we multiply the percentage of patients who developed an infection (30%) by the percentage of those hospitalized (5% of 30%): 30% * 5% = 1.5%. Therefore, 1.5% of all patients were hospitalized. The correct answer is C (15%). Summary: A (1.50%): This is incorrect because it miscalculates the percentage of patients hospitalized. B (5%): This is incorrect as it represents the percentage of patients that developed an infection and not those hospitalized. D (30%): This is incorrect as it represents the total percentage of patients developing an infection, not those hospitalized.
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