PBS 3.1.3 Review Questions

Pathogen is defined as:

• An organism in which another organism lives

• The establishment of a disease-causing organism within a host

• A disease-causing organism

• A disorder of function in an organism that results in symptoms

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

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 less dangerous?

• Ebola

• Influenza A

Vaccinations are an example of:

• Passive immunity

• Acquired immunity

Which is NOT considered FIRST line of defense?

• Helper T-Cells

• Skin

• Hair

• Mucous Membranes

What are the two types of immune systems?

• Acquired & Adaptive
• Innate & Acquired
• Innate & Autoimmune
• Red & White Blood Cells

What category of immune response would sneezing and mucus production fall under?

• Innate Immunity
• Acquired Immunity
• Humoral Immunity
• Cell Mediated Immunity

What is the largest outer defense of the body?

• Stomach Acid 
• Mucous Membranes
• White Blood Cells
• Skin

A protein that attacks antigens is called:

• Antibody

• Immune response

• Inflammatory Response

• Vector