What term is used to describe organisms that cause disease?
The general defence system tries to prevent disease-causing organisms entering the body - Leaving Cert Biology - Question b - 2014
Question b
What term is used to describe organisms that cause disease?
The general defence system tries to prevent disease-causing organisms entering the body. List two parts ... show full transcript
Worked Solution & Example Answer:What term is used to describe organisms that cause disease?
The general defence system tries to prevent disease-causing organisms entering the body - Leaving Cert Biology - Question b - 2014
Step 1
What term is used to describe organisms that cause disease?
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Answer
The term used to describe organisms that cause disease is pathogen.
Step 2
List two parts of the general defence system in the body.
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Answer
Two parts of the general defense system in the body include:
Skin - Acts as a barrier to prevent pathogens from entering the body.
Tears - Contain enzymes that break down the cell walls of bacteria.
Step 3
1. Distinguish between active immunity and passive immunity by defining each.
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Active immunity is when the body produces its own antibodies in response to an infection or vaccination. In contrast, passive immunity is when antibodies are given to an individual from another source, such as through the placenta to a fetus or via an injection (e.g., antivenom).
Step 4
2. Which of these produces the longest-lasting immunity?
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Active immunity produces the longest-lasting immunity because it involves the body’s own immune response to pathogens, leading to the formation of memory cells.
Step 5
Name any two diseases caused by viruses.
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Two diseases caused by viruses are:
Influenza (the flu)
HIV/AIDS
Step 6
What is meant by the term vaccination?
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Vaccination refers to the administration of a vaccine, which contains a harmless form of a pathogen or its antigens. This process stimulates the immune system to recognize and fight the pathogen in the future, providing immunity against the disease.
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