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State PSC Science & Technology — practice questions — page 11

Explore 311 free Science & Technology questions in State PSC Science. Open each question or exercise to read its content, reference answers and available explanation.

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Science & Technology questions and exercises with answers

Showing questions 301–311 of 311.

The recruitment of immune cells to infected tissue, causing swelling, pain and fever, is:Read the answer and worked solution →The basic key to prevention of infectious diseases is:Read the answer and worked solution →The second basic principle of preventing infectious disease, keeping the immune system working, is:Read the answer and worked solution →Catch the bacterial diseasesRead the answer and worked solution →Pop the infectious agentsRead the answer and worked solution →Run the disease routesRead the answer and worked solution →Slice the health wordsRead the answer and worked solution →Acute or chronicRead the answer and worked solution →Sort the disease causesRead the answer and worked solution →Type the numberRead the answer and worked solution →Health and disease bingoRead the answer and worked solution →

Worked practice questions

The recruitment of immune cells to infected tissue, causing swelling, pain and fever, is:

  1. Incubation
  2. Inflammation
  3. Infiltration
  4. Immunisation
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Correct answer: B. Inflammation

1. The immune system responds to infection. 2. This recruitment is inflammation. 3. Fever is a general effect. _Source: syllabus Science, Chapter 13, Why Do We Fall Ill._

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The basic key to prevention of infectious diseases is:

  1. Strong drugs
  2. Long sleep
  3. Public hygiene
  4. Private wealth
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Correct answer: C. Public hygiene

1. Avoid crowding, treat water, stop mosquito breeding. 2. Public hygiene is the basic key. 3. Prevention is better than cure. _Source: syllabus Science, Chapter 13, Why Do We Fall Ill._

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The second basic principle of preventing infectious disease, keeping the immune system working, is:

  1. Daily antibiotics
  2. Strict isolation
  3. Regular fasting
  4. Proper nourishment
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Correct answer: D. Proper nourishment

1. Immune cells kill most infections early. 2. They need proper and sufficient food. 3. Poor nourishment weakens immunity. _Source: syllabus Science, Chapter 13, Why Do We Fall Ill._

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