1. Epi Curves and Determinants of Dz

Question 1

Period where microbe is replicating but not yet enough for the host to become infectious

Answer 1

Latent period

Question 2

Period where microbe is replicating but not symptomatic yet

Answer 2

Incubation

Question 3

T/F. Latent period always correlated with incubation period

Answer 3

F

Question 4

Dz caused by the invasion and multiplication of a living agent in/on a host

Answer 4

Infectious Dz

Question 5

Invasion, but not multiplic ation of an organism in/on a host

Answer 5

Infestation

Question 6

Dz transmissible from one human/animal to another via direct or airborne routes

Answer 6

Contagious

Question 7

Dz caused by an agent capable of transmission by direct, airborne, or indirect routes from an infected person, animal, plant or a contaminated inanimate reservoir

Answer 7

Communicable

Question 8

Represents the number of new cases of dz over time

Answer 8

Epidemic Curve

Question 9

What can an epidemic curve tell you?

Answer 9

1. most probable source of the outbreak
2. If pathogen is contagious
3. If outbreak is ending
4. Incubation pd. of pathogen
5. outliers

Question 10

Epidemic curve with exposure followed by waves of secondary and tertiary cases

Answer 10

Propagated source

Question 11

Epidemic curve where all animals are exposed at once

Answer 11

Common source single pt. exposure

Question 12

T/F. Propagated source is contagious

Answer 12

T

Question 13

T/F Common source single pt. exposure is contagious

Answer 13

F

Question 14

The shape of epidemiological curves depends on what 3 factors

Answer 14

1. Host
2. Agent
3. Environment

Question 15

Factors that determine the probability, distribution, or severity of a dz in an animal or pop. of animals

Answer 15

Determinant

Question 16

What are the 5 health determinants for animals?

Answer 16

1. Social environ.
2. Economic
3. Physical environ
4. Individual characteristics
5. Etiologic agents

Question 17

What are the four categories of determinants?

Answer 17

1. Primary
2. Secondary
3. Intrinsic
4. Extrinsic

Question 18

Determinats that are external to the animal

Ex. Housing, medical tx. . .

Answer 18

Extrinsic Determinants

Question 19

Factors that make the dz more or less likely; predisposing or enabling factors

Answer 19

Secondary Determinants

Question 20

A major contributing factor, usually a necessary one

Answer 20

Primary Determinats

Question 21

Determinats that are internal to the animal

Ex. Breed, age, sex. . .

Answer 21

Intrinsic Determinats

Question 22

T/F. Primary determinats must always be there in order for disease to occur

Answer 22

T

Question 23

Determinats may be assoicated with what 3 things?

Answer 23

1. Host
2. Agent
3. Environment

Question 24

What are the 6 environmental determinants

Answer 24

1. Demographics
2. Macroclimate
3. Microclimate
4. Housing/crowding
5. Diet
6. Stress

Question 25

A term describing the DNA sequence, or type of an individual

Answer 25

Genotype

Question 26

T/F. Genetic diseases are entirely determined by genotype

Answer 26

T

Question 27

T/F. genetic susceptibilities are partially determined by genotype and partially determined by other facctors

Answer 27

T

Question 28

The idea that infectious dz can be contained if the pop’s resistance to infection is high enough

Answer 28

Herd immunity