which of the following correctly identifies a difference between the primary and secondary immune response
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ATI TEAS 7

ATI TEAS Science Questions

1. Which of the following correctly identifies a difference between the primary and secondary immune response?

Correct answer: C

Rationale: The correct answer is C. The primary immune response is slower and less powerful compared to the secondary immune response. During the primary response, immune cells encounter the antigen for the first time, necessitating the activation and proliferation of specific immune cells. In contrast, the secondary response benefits from memory cells that quickly recognize the antigen, enabling a faster and more potent immune response. Choices A, B, and D are incorrect. While macrophages play a role in presenting antigens to T cells, this is not a defining difference between primary and secondary responses. Humoral immunity involves B lymphocytes in both primary and secondary responses, so it does not differentiate the two. Suppressor T cells primarily function to regulate the immune response but are not a key factor distinguishing primary from secondary responses.

2. What is 0.875 as a fraction?

Correct answer: A

Rationale: To convert 0.875 to a fraction, you can write it as 875/1000. Simplifying this fraction by dividing the numerator and denominator by their greatest common divisor, which is 125, gives you 7/8. Therefore, the correct answer is 7/8. Choice B (9/10), Choice C (5/6), and Choice D (3/4) are incorrect as they do not represent the fraction equivalent of 0.875.

3. What is the main idea of the following passage: 'The internet has revolutionized communication, allowing people to connect instantly from anywhere in the world. Social media platforms, like Facebook and Twitter, have further amplified this connectivity, enabling individuals to share information and ideas on a global scale.'

Correct answer: C

Rationale: The correct answer is C because the passage highlights how the internet and social media have revolutionized communication globally, enabling instant connections and sharing of information on a global scale. It emphasizes the transformative impact of these technologies on communication, not just entertainment or the complexity of technology. Choice A is incorrect as the passage focuses on communication, not entertainment. Choice B is incorrect as it oversimplifies the role of social media in communication. Choice D is incorrect as the passage does not specifically address the increasing complexity of technology.

4. What is the equivalent of 500 milliliters in liters?

Correct answer: B

Rationale: To convert milliliters to liters, you need to divide by 1000 since 1 liter is equal to 1000 milliliters. Therefore, 500 milliliters divided by 1000 equals 0.5 liters. Choice A (0.05 liters) is incorrect because it represents 50 milliliters, not 500 milliliters. Choice C (5 liters) and Choice D (50 liters) are both incorrect as they are higher values and do not accurately represent the conversion of 500 milliliters to liters.

5. Which of the following sentences best serves as the topic sentence in a paragraph about the history of yoga?

Correct answer: D

Rationale: The correct answer is D because it introduces the historical origin of yoga, which is the main focus of the paragraph. This sentence sets the context by providing a foundational understanding of where and when yoga originated. Choice A talks about the mention of yoga in the Vedas but does not provide information about the historical development of yoga itself. Choice B discusses the travel of yoga masters to the West, which is a later development in the history of yoga and not the starting point. Choice C refers to a shift in yoga philosophy without directly addressing its origins, making it less suitable as a topic sentence compared to choice D.

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