choose the best summary of the passage about microbes

HESI A2

Reading Comprehension HESI A2 Practice Test

1. Choose the best summary of the passage about microbes.

A. Scientists have discovered the importance of certain bacteria for a well-functioning immune system, especially in defending against pathogens. The colonization of microbes in the body begins at birth, with the immune system relying on these bacteria for proper function.
B. The passage discusses the role of bacteria in the development of the human immune system. It highlights that the body supports various microorganisms crucial for immunity, starting from birth. The presence of harmless bacteria is essential for the immune system to work effectively.
C. The body hosts a vast number of microorganisms critical for immune system development. Harmless bacteria are necessary for the immune system to defend against pathogens effectively. Early research shows promising results in fecal bacteriotherapy for restoring the immune system's ability to fight off harmful invaders.
D. Microbes play a pivotal role in human health, particularly in immune system development. The introduction of healthy bacteria is essential for the immune system to function correctly. Fecal bacteriotherapy is a novel approach to reintroducing beneficial bacteria into a compromised colon to enhance immune response.

Correct answer: C

Rationale: The correct answer is C. The passage emphasizes the importance of certain bacteria for a properly functioning immune system. It discusses how harmless bacteria play a crucial role in defending the body against pathogens. Choice A is incorrect as it focuses on the immune system's response to certain types of bacteria in lower organisms, not the overall importance of bacteria for immunity. Choice B is incorrect as it mainly discusses bacteriotherapy in relation to the reconstruction of a damaged colon, rather than the broader role of bacteria in immune system health. Choice D is incorrect as it only talks about the process of replacing harmful bacteria with harmless ones, missing the key point about the necessity of certain bacteria for immune system function.

2. Which of the following statements is an opinion related to Barefoot Running?

A. Running barefoot is natural and advantageous.
B. The cost of modern running shoes keeps increasing.
C. Concrete sidewalks are harder than dirt paths.
D. The arch of the foot gives a spring to the step.

Correct answer: A

Rationale: The statement that "running barefoot is natural and advantageous" reflects a subjective opinion, which cannot be definitively proven or measured objectively. The other statements (B, C, and D) provide factual observations or comparisons that can be validated through evidence, which distinguishes A as the only opinion-based statement.

3. What would be the best title for this passage?

A. Being a Team in PE
B. A New Kind of Grade
C. Learning Martial Arts
D. PE for School and Life

Correct answer: D

Rationale: The best title for this passage is 'PE for School and Life' as it encapsulates the broader purpose of physical education described in the extract. The passage emphasizes teaching students lifelong fitness habits, instilling lessons about maintaining good health, staying fit, and introducing exercise that can be incorporated into their lives. The focus is on fitness as a lifelong skill rather than just a short-term activity for a good grade. Choice A, 'Being a Team in PE,' is incorrect as the passage highlights individual exercise and movement rather than team-based activities. Choice B, 'A New Kind of Grade,' is also incorrect as the passage mentions a shift in grading towards effort rather than specific performance tasks. Choice C, 'Learning Martial Arts,' is too narrow as the passage discusses a variety of activities beyond martial arts that are taught in modern PE classes.

4. A reader might infer from this passage that ___________.

A. Obesity can be detrimental to a long life
B. Car crashes are most frequent in the United States
C. The Second Amendment should be overturned
D. People in Asia and Africa have the shortest life spans

Correct answer: A

Rationale: The passage indicates that obesity, along with other health-related issues, contributes to lower life expectancy. This implies that obesity can negatively affect one's lifespan, making option A the correct inference based on the information presented in the text. The other options do not accurately reflect the implications of the passage.

5. What is the main idea of this passage?

A. The water cycle consists of precipitation, evaporation, and condensation
B. Water cycle components include only evaporation and condensation
C. The water cycle includes precipitation, runoff, evaporation, and condensation
D. The water cycle happens in the atmosphere only

Correct answer: A

Rationale: The correct answer is A: 'The water cycle consists of precipitation, evaporation, and condensation.' The passage explains the stages of the water cycle, which are precipitation (rain, snow, sleet, or hail), runoff, evaporation, and condensation. Choice B is incorrect because the water cycle involves more than just evaporation and condensation. Choice C is incorrect as it includes an additional element, runoff, not mentioned as a primary component of the water cycle in the passage. Choice D is incorrect as the water cycle involves processes both in the atmosphere and on the ground.