Please answer all

1. Resident biota are absent from the

- Pharynx

- Gastrointestinal system

- Central Nervous system

- Genitourinary system

- Skin

2. An example of an exogenous pyrogen is

- Interleukin-1

- Complement.

- Interferon.

- Endotoxin.

3. Two children attend the same preschool, but one child is atthe facility on Mondays and Wednesday, while the other childattends the facility on Tuesdays and Thursdays. Both childrenbecome ill with Erythema infectiosum within a day of each other.What is this type of pathogenic transmission called?

- Fomite transmission

- Droplet transmission

- Vector transmission

- Direct contact transmission

- Vertical transmission

4. The index case is the first case found in an epidemiologicalinvestigation.

True

False

5. The ability of a microorganism to cause disease is called_____________.

6. A/an __________ is a passive animal transporter ofpathogens.

7. Indirect contact transmission occurs when pathogens arespread from one host to another inanimate objects inadvertentlyused to transfer pathogens. These are called ____________.

8. Bacterial contaminants can grow in food in a closedcontainer. Someone can develop food poisoning after eating foodfrom the container that was opened and heated because bacteria wereproducing ___________

9. The degree of a microorganism's capability to cause diseaseis called ____________

              

10. The virulence factors produced by Staphylococcus aureus thatenables it to invade the body is __________

11. What are the components of the body's first line ofdefense?

              

12. What are the components of the body's second line ofdefense?