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Test Prep HESI A2 Exam Questions
HESI Admission Assessment Exam (A2) (Page 24 )

Updated On: 24-Feb-2026
Page 24 of 125
PDF with 620 Questions



Which of the following can NOT be inferred from the passage?

  1. A 1-month-old alfalfa plant will have more bacteria than a 5-month-old plant.
  2. A soil without lime will not grow bacteria.
  3. Bacteria is located inside the root nodules.
  4. A 3-month-old alfalfa plant will have more bacteria than a one-year-old plant.

Answer(s): B

Explanation:

This is a 'NOT' question, so we need to eliminate answer choices that are reasonable inferences based on details from the passage. Answer choices (A 1-month-old alfalfa plant will have…) and (A 3-month-old alfalfa plant will have…) can be inferred from the mention that young plants still display the same “peculiarity.” In addition, since answer choices (A 1-month-old alfalfa plant will have…) and (A 3-month-old alfalfa plant will have…) seem to suggest the same thing, namely that younger alfalfa plants will have more bacteria than older alfalfa plants, they cannot both be invalid inferences, so you should eliminate (A 1-month-old alfalfa plant will have…) and (A 3-month-old alfalfa plant will have…). Answer choice (Bacteria is located…) can be eliminated because the author describes the nodules as the “home” of the bacteria. Finally, nothing in the passage allows us to infer that “a soil without lime will not grow bacteria”. The correct answer is (A soil without lime will not…).





The author of the passage suggests which of the following about bacteria?

  1. Bacteria feeds on lime.
  2. Bacteria is visible to the human eye.
  3. Bacteria is compact by nature.
  4. Bacteria is a plant, not an animal.

Answer(s): B

Explanation:

For this inference question, look for statements based on facts explicitly stated in the passage. Eliminate choices that are out of scope, extreme, or that misuse details. Bacteria is microscopic, and can be described as compact.





According to the passage, dietary calcium intake

  1. was measured by means of a semi-quantitative medical examination.
  2. was discovered to decrease the chance of symptomatic kidney stone formation, after adjustment for age.
  3. increases the excretion of oxalate through the urinary tract.
  4. is impossible to accurately measure.

Answer(s): B

Explanation:

According to the author, dietary calcium intake "was measured by means of a semi-quantitative food-frequency questionnaire," not "by means of a semi-quantitative medical examination." The correct answer is a conclusion of the study discussed in the passage. The fact that 'daily calcium intake decreases the excretion of oxalate through the urinary tract,' is given as background information in the passage's second sentence.





The passage suggests that in conducting this medical study, researchers

  1. drew few conclusions beforehand on the indeterminate outcome of their scientific research.
  2. discovered associations they had not been looking for.
  3. had little interest in calcium’s effect on organs other than the kidneys.
  4. neglected researching how the intake of calcium can reduce urinary excretion of oxalate.

Answer(s): B

Explanation:

Among the correct inferences that can be drawn from this passage, one is that researchers discovered associations they hadn't been looking for, the cited example being "surprisingly, intake of animal protein was directly associated with the risk of stone formation."





What is the main focus of this passage?

  1. How dietary calcium affects kidneys.
  2. How kidneys function.
  3. How kidney research is conducted.
  4. How Stanford researchers perform studies.

Answer(s): A

Explanation:

The main idea of the passage focuses on dietary calcium and its relationship to the kidneys and the formation of kidney stones.






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