Questions and Answers
What are disease-causing organisms called?
What description applies to a disease-causing organism that can spread from one organism to another?
Why are plasmids of particular concern to humans?
They carry genes for antibiotic resistance.
Why aren't viruses classified as living organisms?
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Which feature is common in a virus?
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What disease is caused by the Epstein-Barr virus?
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What action could public health officials take to reduce the risk of West Nile virus infection?
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How would antibiotics affect rhinovirus?
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Which situation has contributed to widespread antibiotic resistance?
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What does the HPV vaccine provide protection against?
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What causes fever?
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Which is a part of the body's nonspecific defense mechanism?
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Which structure(s) represent a first line of defense against pathogens?
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Which cells are not normally involved in the functioning of the immune system in humans?
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Mucus traps pathogens that are later coughed or sneezed away. What form of body defense applies to this example?
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Study Notes
Pathogens and Disease
- Organisms causing disease are called pathogens.
- A disease-causing organism that can spread is termed contagious.
Antibiotic Resistance
- Many bacteria have plasmids that carry antibiotic resistance genes, posing significant risks to human health.
- Antibiotic resistance is particularly concerning due to overuse by farmers in livestock, contributing to widespread resistance.
Viruses
- Viruses cannot replicate independently; they require a host cell for reproduction.
- A virus's outer structure is known as a capsid.
- The Epstein-Barr virus causes mononucleosis.
Preventative Health Measures
- To mitigate the West Nile virus, public health officials can spray areas where mosquitoes breed in coordination with resource managers.
- The HPV vaccine protects against cervical cancer.
Immune Response
- Fever is induced when macrophages release pyrogens, leading to an increase in body temperature.
- The body's nonspecific defense mechanism includes skin, which acts as a physical barrier against pathogens.
- Mucus trapping pathogens demonstrates the first line of defense.
Immune System Cells
- The immune system primarily involves lymphocytes, B cells, and white blood cells; however, red blood cells do not participate in immune functions.
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Description
Test your knowledge on pathogens, antibiotic resistance, and viruses with this quiz. Explore key concepts such as immune response and preventative health measures, including the impact of vaccines. Perfect for students studying health and disease control.
