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Question 1
Multiple Choice
How does the measles virus initially enter the human body?
- Through the ears
- Through the nose, mouth, or eyes
- Through the skin
- Through the bloodstream
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Measles Explained — Vaccinate or Not?
Tim Horton
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Question 2
Multiple Choice
Which cells are the first line of defense that measles virus is particularly good at infecting?
- Natural killer cells
- B cells
- Macrophages
- Dendritic cells
Question 3
Multiple Choice
What role do dendritic cells play in the immune response to measles?
- They produce antibodies
- They patrol the body and check for infections
- They collect samples of intruders and activate other immune cells
- They directly kill infected cells
Question 4
Multiple Choice
Why is measles particularly dangerous in the early stages of infection?
- It produces a strong allergic reaction
- It causes immediate high fever
- It uses dendritic cells as a Trojan horse to spread
- It immediately attacks the brain
Question 5
Multiple Choice
What is the most common way people die from measles?
- Brain infection
- Heart failure
- Pneumonia
- Liver failure
Question 6
Multiple Choice
What are the typical symptoms of measles?
- Mild fever and cough
- High fever, headache, and rash
- Stomach ache and diarrhea
- Muscle pain and fatigue
Question 7
Multiple Choice
How long does it usually take for the body's immune system to overcome a measles infection?
- 1 week
- 2-3 weeks
- 1 month
- 2-3 months
Question 8
Multiple Choice
What happens to the immune system after successfully fighting off measles?
- It becomes stronger immediately
- It remains weakened and vulnerable to other diseases
- It becomes immune to all viruses
- It develops a permanent fever
Question 9
Multiple Choice
Why is it important for people who can be vaccinated to get the measles vaccine?
- To strengthen their own immune system naturally
- To protect themselves and others who cannot be vaccinated
- Because it provides lifelong immunity
- Because it's required by law
Question 10
Multiple Choice
What is the effectiveness rate of the measles vaccine in preventing the disease?
- 50%
- 70%
- 90%
- 95%
Question 11
Multiple Choice
What percentage of the global population was vaccinated against measles as of 2014?
- 50%
- 60%
- 84%
- 90%
Question 12
Multiple Choice
Which cells in the immune system produce antibodies to fight measles?
- T cells
- Natural killer cells
- Plasma cells
- Macrophages
Question 13
Multiple Choice
How contagious is measles at its peak?
- 20%
- 50%
- 70%
- 90%
Question 14
Multiple Choice
Which organ systems are affected by the measles virus?
- Only the lungs
- Lungs, liver, and intestines
- Lungs, liver, intestines, and brain
- Lungs, liver, heart, and kidneys
Question 15
Multiple Choice
What long-term effect can measles have if it infects the brain?
- Permanent immunity
- Chronic cough
- Long-term brain damage or death
- Increased intelligence
Question 16
Multiple Choice
Which cells are responsible for killing infected cells in the body during a measles infection?
- B cells
- Natural killer cells
- Macrophages
- Killer T cells
Question 17
Multiple Choice
How does the body achieve immunity to measles after an infection?
- By producing new macrophages
- By generating memory cells
- By increasing white blood cell count
- By reducing viral load
Question 18
Multiple Choice
What is a common misconception about natural immunity and measles?
- It strengthens the immune system
- It's more natural than vaccination
- It has long-term benefits
- All of the above
Question 19
Multiple Choice
Why is it essential to eradicate the measles virus?
- To reduce healthcare costs
- To prevent widespread outbreaks
- To protect future generations
- All of the above
Question 20
Multiple Choice
What was the global death toll from measles in 2014?
- 10,000
- 50,000
- 100,000
- 122,000
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