Week 3- Infection

Question 1

Vertical Transmission

Answer 1

Mother to fetus

Question 2

Direct (Horizontal transmission)

Answer 2

Sneezing, coughing, etc.

Question 3

Indirect transmission

Answer 3

blow nose, tissue put on table, someone touches table and gets sick

Question 4

Zoonotic transmission

Answer 4

Transferred from animals

Question 5

Initial exposure to onset of first symptoms (hours to years) is what stage of infection

Answer 5

Incubation

Question 6

Occurrence of initial S/S (often mild) is what stage of infection

Answer 6

Prodromal

Question 7

Progression, affects other body tissues is what stage of infection

Answer 7

Invasion

Question 8

-Recovery occurs and S/S decrease
-OR Disease is fatal
-OR period of latency
is what stage of infection

Answer 8

Convalescence

Question 9

True pathogens

Answer 9

Bypass normal defenses and cause infection

Question 10

Tropism is when

Answer 10

Microorganisms are attracted to specific types of cell, tissue, or host

Question 11

Mutation within organism where it morphs into something else and is better able to cause disease is

Answer 11

Antigenic Drift

Question 12

Infection spreads to different type of organism is

Answer 12

Antigenic Shift

Question 13

Endotoxins are produced

Answer 13

In walls of Gram - bacteria (v dangerous)

Question 14

Exotoxins are a byproduct of

Answer 14

cellular metabolism

Question 15

The capacity of a pathogen to cause disease is

Answer 15

Pathogenicity

Question 16

Ability of disease to spread from person to person

Answer 16

Communicability

Question 17

Ability of disease to produce an immune response

Answer 17

Immunogenicity

Question 18

Ability to invade and multiply in host

Answer 18

Infectivity

Question 19

How microorganisms damage tissue

Answer 19

mechanism of action

Question 20

Routes microorganisms take

Answer 20

Portal of entry

Question 21

Production of toxins

Answer 21

Toxigenicity

Question 22

Capacity to cause severe disease/potency

Answer 22

Virulence

Question 23

Disease w/ relatively high but constant rates of infection within a particular population

Answer 23

Edemenic

Question 24

Number of new infex in a particular pop. that greatly exceeds the # usually observed

Answer 24

Epidemic

Question 25

Epidemic that spreads over a large area such as continent or world wide

Answer 25

Pandemic

Question 26

Filamentous

Answer 26

Branching, mycelium like

Question 27

Spirochetes

Answer 27

Flexible, spiral, anaerobic

Question 28

Mycoplasma

Answer 28

Smallest, simplest bacteria

Question 29

Rickettsia

Answer 29

Intracellular parasites

Question 30

Chlamydia

Answer 30

Intracellular parasites w/ complex life cycles

Question 31

Cocci

Answer 31

Balls/ball chains

Question 32

Bacilli

Answer 32

Long string

Question 33

Vibrious

Answer 33

Comma

Question 34

Spirilla

Answer 34

Spirals

Question 35

A fungal infection is called

Answer 35

Mycosis

Question 36

Intracellular parasites are

Answer 36

Viruses

Question 37

Viruses are usually self limiting becasue

Answer 37

They are very sensitive to the compliment system

Question 38

What type of antimicrobial prevents bacteria from replicating

Answer 38

Bacteriostatic

Question 39

What type of antimicrobial kills all bacteria

Answer 39

Bactericidal