Infectious Agents Review

What is the difference between a noninfectious disease and an infectious disease?

• Noninfectious diseases are always genetic, while infectious diseases are not.

• Noninfectious diseases can be caused by environmental factors, while infectious diseases are caused by pathogens.

• Noninfectious diseases are always chronic, while infectious diseases are always acute.

• Noninfectious diseases cannot be treated, while infectious diseases can be treated with antibiotics.

What is the importance of understanding infectious agents?

• It helps in preventing and treating diseases.

• It is only relevant for medical professionals.

• It has no impact on public health.

• It is primarily a historical concern.

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Can noninfectious diseases be spread from person to person?

• Yes, they can be spread through direct contact.

• Yes, they can be transmitted via air.

• No, noninfectious diseases cannot be spread from person to person.

• Yes, they can be spread through contaminated food.

How do parasites affect their hosts?

• Parasites can enhance the health of their hosts by providing nutrients.

• Parasites can harm their hosts by feeding on them and stealing nutrients.

• Parasites have no effect on their hosts' health.

• Parasites can help their hosts by removing harmful substances.

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What is an example of a viral disease?

• The common cold

• Strep throat

• Malaria

• Chickenpox

What role do fungi play in infectious diseases?

• Fungi can cause infections, such as athlete's foot and ringworm.

• Fungi are primarily beneficial and do not cause diseases.

• Fungi are used in the production of antibiotics.

• Fungi only affect plants and do not infect humans.

What is the difference between a virus and a bacterium in terms of living status?

• Viruses are living organisms, while bacteria are not.

• Both viruses and bacteria are considered alive.

• Viruses are not considered alive, while bacteria are living organisms.

• Bacteria are not considered alive, while viruses are living organisms.

What are pathogens?

• Microorganisms that can cause disease, including bacteria, viruses, fungi, and parasites.

• Only bacteria that cause infections in humans.

• Viruses that are harmless to humans.

• Fungi that are used in food production.

Which disease is caused by a fungus?

• Athlete's foot is caused by a fungus.

• Chickenpox is caused by a virus.

• Malaria is caused by a parasite.

• Influenza is caused by a bacteria.

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What is an example of a disease caused by a parasite?

• Malaria

• Diabetes

• Hypertension

• Asthma