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This living, animal-like infectious agent thrives in the digestive tract of a host, depriving the host of nutrients from food and can sometimes be treated with antiprotozoal medication.

• Prions

• Viruses

• Bacteria

• Fungi

• Protists

Tags

NGSS.MS-LS2-4

An infected individual hugs an uninfected individual, depositing the pathogen on the new person. This form of disease transmission is an example of:

• Direct Contact

• Indirect Contact

• Droplet Transmission

• Vector Transmission

An infected individual pays at the grocery store with infected cash, spreading the pathogen to the cashier. This form of disease transmission is an example of:

• Direct Contact

• Indirect Contact

• Droplet Transmission

• Vector Transmission

West Nile Virus is spread through in intermediate insect that carries the pathogen: mosquitos. This form of disease transmission is an example of:

• Direct Contact

• Indirect Contact

• Droplet Transmission

• Vector Transmission

An infected individual coughs into the air, then an uninfected individual inhales the particles, acquiring the pathogen. This form of disease transmission is an example of:

• Direct Contact

• Indirect Contact

• Droplet Transmission

• Vector Transmission

When infectious pathogens enters the body, white blood cells (B-cells), produce THESE molecules to attack or impair the pathogens:

• Antigens

• Antibodies

• Toxins

• Vaccines

Vaccinations are an example of:

• Innate immunity

• Acquired immunity

These components of our innate, or nonspecific, immune system are found in our nose, trachea, and lungs and work with mucus to trap foreign invaders:

• Digestive Enzymes

• Secretions

• Cilia

• Phagocytes

These components of our innate, or nonspecific, immune system are found in digestive tract and on our skin to prevent foreign invaders from attaching.

• Normal flora

• Secretions

• Cilia

• Phagocytes

Osmosis is the movement of _____ across a membrane.

• food

• energy

• oxygen

• water