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Questions and Answers
Where do N. meningitidis bacteria typically reside in humans?
Where do N. meningitidis bacteria typically reside in humans?
- Stomach
- Lungs
- Back of the nose and throat (correct)
- Bloodstream
What fraction of people carry N. meningitidis bacteria in their throat without getting sick?
What fraction of people carry N. meningitidis bacteria in their throat without getting sick?
- 1 in 5
- 1 in 50
- 1 in 100
- 1 in 10 (correct)
How do people primarily spread meningococcal bacteria?
How do people primarily spread meningococcal bacteria?
- Touching contaminated surfaces
- Skin contact
- Sharing respiratory and throat secretions (correct)
- Sharing food
Which of the following situations can lead to the spread of meningococcal bacteria?
Which of the following situations can lead to the spread of meningococcal bacteria?
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What type of contact is generally required to spread meningococcal bacteria?
What type of contact is generally required to spread meningococcal bacteria?
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Study Notes
Causes and Spread of Meningococcal Infection
- N. meningitidis bacteria can colonize the back of the nose and throat, where they can exist without causing illness in about 1 in 10 people.
- In some cases, the bacteria can migrate to other parts of the body, leading to infection.
- Meningococcal bacteria are transmitted to others through the sharing of respiratory and throat secretions, such as saliva or spit.
- Close or lengthy contact is typically required for the bacteria to spread, examples of which include:
- Kissing (close contact)
- Living together (lengthy contact)
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