HESI A2 Practice Test

样题与解析

以下是本题库中的部分真题与完整解析。完整题库请用上方的刷题工具。

1. 1. Mathematics

   What is 3/4 + 1/6?

   • a.7/12
   • b.11/12
   • c.1/2
   • d.4/10

   答案: b

   解析: Find a common denominator of 12: 3/4 = 9/12 and 1/6 = 2/12. Adding gives 9/12 + 2/12 = 11/12, which cannot be reduced.

2. 2. Mathematics

   If a car travels 150 miles on 5 gallons of gas, what is the rate in miles per gallon?

   • a.30 mpg
   • b.25 mpg
   • c.35 mpg
   • d.20 mpg

   答案: a

   解析: Divide total miles by total gallons: 150 / 5 = 30. The car travels 30 miles per gallon.

3. 3. Mathematics

   A solution contains 20 mg per 5 mL. How many milliliters provide 60 mg?

   • a.12 mL
   • b.20 mL
   • c.15 mL
   • d.10 mL

   答案: c

   解析: Use the unit rate of 20 mg in every 5 mL. Because 60 mg is 3 times 20 mg, you need 3 x 5 = 15 mL.

4. 4. Reading Comprehension

   Read the passage: 'Because the storm knocked down power lines, thousands of homes lost electricity for days.' What is the cause?

   • a.The homes were rebuilt
   • b.The days grew shorter
   • c.Downed power lines
   • d.Homes lost electricity

   答案: c

   解析: The cause is the event that makes something else happen. Here the storm knocking down power lines caused the homes to lose electricity, which is the effect.

5. 5. Reading Comprehension

   Read the passage: 'The garden burst with color as tulips, daisies, and roses swayed gently in the warm spring breeze.' What is the mood?

   • a.Frightening
   • b.Gloomy
   • c.Tense
   • d.Pleasant

   答案: d

   解析: Mood is the feeling created in the reader. Images of colorful flowers and a warm, gentle breeze produce a pleasant and calm mood.

6. 6. Vocabulary

   The nurse will palpate the abdomen. Which word best replaces 'palpate'?

   • a.Photograph
   • b.Feel
   • c.Remove
   • d.Numb

   答案: b

   解析: Palpate means to examine part of the body by feeling it with the hands or fingers. Nurses palpate to assess texture, size, or tenderness.

7. 7. Vocabulary

   A patient who is well hydrated has:

   • a.Enough body fluid
   • b.A high temperature
   • c.An active infection
   • d.Low body weight

   答案: a

   解析: Hydrated means having enough fluid in the body to function properly. Staying hydrated is important for health, especially in hot weather.

8. 8. Grammar

   Which word correctly completes the sentence: 'The medication had a strong effect on ___ recovery.'

   • a.they're
   • b.there
   • c.their
   • d.they

   答案: c

   解析: The possessive pronoun 'their' shows ownership of the recovery. 'There' refers to place and 'they're' means 'they are,' so neither fits.

9. 9. Grammar

   Choose the correct homophone: 'Please place the chart over ___.'

   • a.theyre
   • b.there
   • c.they're
   • d.their

   答案: b

   解析: 'There' refers to a place or location, which fits this sentence. 'Their' is possessive and 'they're' means 'they are.'

10. 10. Science

    Which type of blood vessel carries blood away from the heart?

    • a.Veins
    • b.Venules
    • c.Arteries
    • d.Capillaries

    答案: c

    解析: Arteries carry blood away from the heart to the body's tissues. Veins, by contrast, return blood to the heart.