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HESI A2 VERSION 1: READING COMPREHENSION

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60+ Pages of Questions and Answers. All Correct Answers are highlighted in Yellow. 

1. Which statement is not listed as a detail in the passage?

2. What is the main idea of the passage?

3. What is the meaning of the word phenomenon in the second paragraph?

4. What is the author’s primary purpose in writing this essay?

5. Which sound waves have a higher pitch?

6. Which sound waves have a lower pitch?

7. What is the author’s primary purpose in writing the essay?

8. Which statement is not listed as a detail within the passage?

9. What is the meaning of the word emitting as it is used in the second paragraph?

10. What is the main idea of the passage?

11. What is the best summary of the passage?

12. What are the three steps of the “wave of excitation”?

13. What is the main idea of the passage?

14. Which statement is not a detail from the passage?

15. What is the meaning of the word evolved in the first paragraph?

16. What is the writer’s primary purpose in writing this essay?

17. What is the best summary of this passage?

18. What is a major difference in the way baroreceptors and chemoreceptors work from the way the kidneys work?

Questions 19 to 24 pertain to the following passage:

The immune system is a network of cells, tissues, and organs that defends the body against attacks by foreign invaders. These invaders are primarily microbes—tiny organisms such as bacteria, parasites, and fungi—that can cause infections. Viruses also cause infections, but are too primitive to be classified as living organisms. The human body provides an idealenvironment for many microbes. It is the immune system’s job to keep the microbes out or destroy them.

The immune system is amazingly complex. It can recognize and remember millions of different enemies, and it can secrete fluids and cells to wipe out nearly all of them. The secret to its success is an elaborate and dynamic communications network. Millions of cells, organized into sets and subsets, gather and transfer information in response to an infection. Once immune cells receive the alarm, they produce powerful chemicals that help to regulate their own growth and behavior, enlist other immune cells, and direct the new recruits to trouble spots.

Although scientists have learned much about the immune system, they continue to puzzle over how the body destroys invading microbes, infected cells, and tumors without harming healthy

 

There are several systems to maintain the natural functions and processes of the body.

 

One system is the cardiovascular system, which regulates blood pressure through baroreceptors,

 

chemoreceptors, and the kidneys.

 

Baroreceptors and chemoreceptors both work within the wall of the arteries sending out

 

impulses to raise or lower blood pressure, whereas the kidneys help control blood volume.

tissues. New technologies for identifying individual immune cells are now allowing scientists to determine quickly which targets are triggering an immune response. Improvements in microscopy are permitting the first-ever observations of living B cells, T cells, and other cells as they interact within lymph nodes and other body tissues.

In addition, scientists are rapidly unraveling the genetic blueprints that direct the human immune response, as well as those that dictate the biology of bacteria, viruses, and parasites. The combination of new technology with expanded genetic information will no doubt reveal even more about how the body protects itself from disease.

19. What is the main idea of the passage?

20. Which statement is not a detail from the passage?

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[Solved] HESI A2 VERSION 1: READING COMPREHENSION

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60+ Pages of Questions and Answers. All Correct Answers are highlighted in Yellow. Have you ever wondered why the whistle of a traveling, distant locomotive predicts its approach several yards before anyone actually sees it? Or why an oncoming ambulance’s screaming siren is heard momentarily several feet before the ambulance comes into full view, before it passes you, and why its siren is still heard faintly well after the ambulance is out of sight? What you are witnessing is a scientific phenomenon known as the Doppler Effect. What takes place is truly remarkable. In both of these instances, when the train or ambulance moves toward the sound waves in front of it, the sound waves are pulled closer together and have a higher frequency. In either instance, the listener positioned in front of the moving object hears a higher pitch. The ambulance and locomotive are progressively moving away from the sound waves behind them, causing the waves to be farther apart and to have a lower frequency. These fast- approaching modes of transportation distance themselves past the listener, who hears a lower pitch. 1. Which statement is not listed as a detail in the passage? A. The oncoming sound waves have a higher pitch because of high frequency and closeness of waves. B. C. The whistling sound of the locomotive as it approaches and passes can be explained by the Doppler effect. D. The high-pitched sound of the ambulance as it approaches and passes can be explained by the Doppler effect. 2. What is the main idea of the passage? A. Trains and ambulances make distinctly loud noises. B. Low-frequency waves make high-pitched soun...
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