HESI A2
Math HESI A2 Practice Test
1. How many meters are in 2 kilometers?
- A. 100 meters
- B. 200 meters
- C. 2000 meters
- D. 3000 meters
Correct answer: C
Rationale: 1 kilometer equals 1,000 meters. Therefore, 2 kilometers equals 2,000 meters. Choice A, 100 meters, is incorrect as it represents only 1/10th of a kilometer. Choice B, 200 meters, is incorrect as it represents only 1/5th of a kilometer. Choice D, 3000 meters, is incorrect as it miscalculates the conversion from kilometers to meters.
2. What is the name of the structure that prevents food from entering the airway?
- A. trachea
- B. esophagus
- C. diaphragm
- D. epiglottis
Correct answer: D
Rationale: The epiglottis is the structure that prevents food from entering the airway. It acts as a lid over the trachea during swallowing, directing food to the esophagus instead of the windpipe (trachea). The trachea (Choice A) is the windpipe that allows air to pass into the lungs, the esophagus (Choice B) is the tube that carries food from the mouth to the stomach, and the diaphragm (Choice C) is a muscle involved in breathing and not in preventing food passage.
3. DNA bases include all but which of the following?
- A. Adenine
- B. Thymine
- C. Uracil
- D. Cytosine
Correct answer: C
Rationale: The correct answer is C: Uracil. Uracil is not a DNA base; it is a base found only in RNA. The four bases in DNA are Adenine, Thymine, Cytosine, and Guanine. Choice A, Adenine, is a correct DNA base. Choice B, Thymine, is a correct DNA base. Choice D, Cytosine, is a correct DNA base. Therefore, Uracil is the only incorrect choice among the options provided.
4. A female ran a 24-mile course. Her first 6 miles she ran in 1 hour. The second set of 6 miles in 1.2 hours. The third set of 6 miles in 1.5 hours. The fourth set of 6 miles in 1.6 hours. How long did it take her to complete the course?
- A. 5 hours
- B. 5.3 hours
- C. 4 hours
- D. 6 hours
Correct answer: B
Rationale: To find the total time, add the times for each set of 6 miles: 1 + 1.2 + 1.5 + 1.6 = 5.3 hours. Therefore, it took her 5.3 hours to complete the 24-mile course. Choice A, 5 hours, is incorrect because the total time is slightly more than that. Choice C, 4 hours, is incorrect as it doesn't account for the total time taken. Choice D, 6 hours, is incorrect as it's an overestimation of the actual time taken.
5. What is another word for paltry?
- A. Insignificant
- B. Punitive
- C. Prolonged
- D. Economical
Correct answer: A
Rationale: The correct answer is A, 'Insignificant.' Paltry and insignificant are synonymous terms that denote something as unimportant, trivial, or of little value. Choice B, 'Punitive,' means inflicting or intended as punishment, which is unrelated to the meaning of paltry. Choice C, 'Prolonged,' means continuing for a long time, which is not a synonym for paltry. Choice D, 'Economical,' means giving good value or service in relation to the amount of money, which is not synonymous with paltry.
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