Pathogens & Disease

What is an infectious disease?

• A disease caused by genetic mutations.

• A disease caused by pathogens that can be transmitted from one person to another.

• A disease that only affects animals.

• A disease that is always chronic and cannot be cured.

What instrument is most commonly used to observe bacteria?

• Telescope

• Stethoscope

• Microscope

• Spectrometer

What is the role of bacteria in the human body?

• Bacteria are only harmful and cause infections.

• Bacteria have no role in the human body.

• Some bacteria are beneficial and help with digestion, while others can cause infections.

• All bacteria are harmful and should be eliminated.

What is the primary treatment for bacterial infections?

• Antibiotics

• Antivirals

• Antifungals

• Vaccines

Which pathogen is considered non-living?

• Bacteria

• Fungi

• Virus

• Protozoa

True or False: All pathogens are alive.

• True

• False

• Some are alive

• None are alive

What is the difference between a virus and a bacterium?

• Viruses are living organisms that can reproduce independently, while bacteria are non-living and require a host to reproduce.

• Viruses are non-living and require a host to reproduce, while bacteria are living organisms that can reproduce independently.

• Viruses and bacteria are both living organisms that can reproduce independently.

• Viruses are larger than bacteria and can be seen with a regular microscope.

What is a vaccine?

• A vaccine is a substance that stimulates the immune system to recognize and fight specific pathogens.

• A vaccine is a type of medication used to treat infections.

• A vaccine is a food supplement that boosts energy levels.

• A vaccine is a surgical procedure to remove diseases from the body.

What is a non-infectious disease?

• A disease caused by pathogens that can be transmitted between individuals.

• A disease that is not caused by pathogens and cannot be transmitted between individuals, such as asthma.

• A disease that is always hereditary and cannot be acquired.

• A disease that is caused by environmental factors only.

How do viruses reproduce?

• By dividing into two identical cells.

• By invading host cells and using the host's cellular machinery to replicate.

• By budding off from the surface of other viruses.

• By forming spores that can survive in harsh conditions.