Dimensional analysis: TEAS Practice Question with Answer & Explanation
An original TEAS 7-style math practice question, written for nursing-school applicants — with a full breakdown of every answer choice.
Question
A patient drinks 24 ounces of water. About how many cups is this?
- A.2 cups
- B.3 cupsCorrect
- C.4 cups
- D.6 cups
Correct answer: B. There are 8 fluid ounces in a cup, so 24 ÷ 8 = 3 cups.
Why B is correct
There are 8 fluid ounces in a cup, so 24 ÷ 8 = 3 cups.
TEAS skill review
This question tests dimensional analysis, a concept that can appear in the TEAS math section. Read the prompt carefully, identify the rule or evidence being tested, and eliminate options that do not directly satisfy it.
Why the other choices are incorrect
The remaining choices conflict with the relevant fact, calculation, language convention, or passage evidence. Check every option against the exact wording of the question rather than choosing an answer that is only generally related to the topic.
Quick study tip: Write the conversion factor so unwanted units cancel.
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