3.1.2

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

The infectious dose of Ebola is 1-10 viruses, whereas Influenza A requires more than 790 viruses to infect a new host. Which of these viruses are considered more infectious?

• Ebola

• Influenza A

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

________ produce antibodies.

• T-cells

• B-cells

• Phagocytes

• Antigens

Which TWO would be considered proper aseptic technique?

• Use only sterile inoculating loops.

• Place all lids on lab table face down.

• Throw bacterial plates in trash can.

• Thoroughly disinfect all work surfaces.

The purple bacteria in this image are

• cocci.

• bacilli.

• spirilla.

The bacteria in this image are

• cocci.

• bacilli.

• spirilla.