Chapter 10: Mechanisms of Infectious Disease

Question 1

What objectives do all living organisms share?

Answer 1

1. To survive
2. To Reproduce

Question 2

What is caused when a pathogen gets by our defenses and the immune system is unable to eradicate them?

Answer 2

An Infectious Disease

Question 3

What is a Host?

Answer 3

An organisms capable of supporting the nutritional and growth requirements of another

Question 4

Mutualism indicates ….?

Answer 4

that BOTH host and microorganism derive benefits from an interaction.

Question 5

Why are babies given Vitamin K at birth?

Answer 5

• intestinal bacteria that synthesize vitamin K ( for blood clotting) is absnet

Question 6

Parasitic Relationship:

Answer 6

infecting organism benefits

Question 7

Infectious Disease:

Answer 7

Host is injured or damaged

Question 8

Prions:

Answer 8

• Misfolded proteins
• trigger normal proteins in the brain to fold abnormally
  -attack nerve cells

Question 9

Transmission:

Answer 9

infected meat , corneal transplant, infected organ transplant

Question 10

Viruses:

Answer 10

incapable of replication outside of living cell

Question 11

Bacteria:

Answer 11

Cytoplasm in the cell contain the material to replicate

Question 12

Fungi:

Answer 12

Free living
- separated into yeast and molds

Question 13

Parasites:

Answer 13

infect and cause disease in other animals

Question 14

What is the study of incidence, distribution, and possible control of diseases and other factors relation to health?

Answer 14

Epidemiology

Question 15

what are the modes of transmission?

Answer 15

-Penetration
-Direct Contact
- Ingestion
- Inhalation

Question 16

Penetration :

Answer 16

breaking of the skin

Question 17

Direct contact:

Answer 17

STI

Question 18

Ingestion

Answer 18

Food Poisoning; Hepatitis A

Question 19

Inhalation:

Answer 19

TB

Question 20

T/F:
Antibiotics can be Bactericidal or Bacteriostatic

Answer 20

Ture

Question 21

Antivirals:

Answer 21

interrupt the viral replication
- IS NOT A CURE

Question 22

What do Antifungals do ?

Answer 22

Kill he Fungal
- Stops the Fungal from growing

Question 23

What do Antiparasitics do ?

Question 24

How do Monoclonal Antibodies work

Answer 24

• They trigger the immune system and helps it attack cancer or viruses

Question 25

What prevents diseases?

Answer 25

Vaccines `

Question 26

What is used if an infection causes irreversable and lethal damage to the pathogen?

Answer 26

Bactericidal antibiotics

Question 27

What is used if an infection inhibits bacterial growth?

Answer 27

Bacteriostatic Antibiotics