Understanding Contagion
A Grade 12 science worksheet focusing on the principles of contagion, including modes of transmission, immune response, and prevention strategies.
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Understanding Contagion
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is NOT a common mode of pathogen transmission?
Direct contact
Vector-borne
Telepathy
Airborne
2. What is the primary function of antibodies in the immune system?
To produce histamine
To directly destroy pathogens
To mark pathogens for destruction by other immune cells
To regulate body temperature
1. A is any organism that causes disease.
2. The study of how diseases spread through populations is called .
3. immunity is acquired through vaccination.
1. Describe the difference between an epidemic and a pandemic.
2. Explain the role of public health measures in controlling the spread of contagious diseases.
1. Viruses are living organisms that can reproduce independently.
True
False
2. Handwashing is an effective method to prevent the spread of many contagious diseases.
True
False
Observe the image below, which depicts a type of virus, and answer the question.
1. Identify and briefly describe the function of two major components of the virus shown above.