Epidemiology

Question 1

Define Epidemiology?

Answer 1

The study of factors and mechanism involved in the frequency and spread of diseases and health related problems with human population, animals and plants.

Question 2

Define morbidity?

Answer 2

Is the number of individuals affected by a disease during a certain period. Ex: The number of people that actually got sick

Question 3

Define Mortality?

Answer 3

Is the number of deaths due to a disease during a set period. Ex: The number of people that died out of the sick population

Question 4

Define endemic?

Answer 4

Disease in certain area but number of reported cases are too low to called it a health concern

Question 5

Define Epidemic?

Answer 5

When a disease is rapidly spreading and the morbidity or mortality rate or both are high enough to pose a Public Health concern

Question 6

Define Pandemic?

Answer 6

When an epidemic spreads worldwide

Question 7

Define sporadic disease.

Answer 7

Involving several isolated cases of disease that pose no great threat to the population as a whole.

Question 8

How does Contact transmission of a disease spreads?

Answer 8

Can be direct, indirect, or by droplets

Question 9

Direct contact transmission

Answer 9

Requires body contact between individuals.

Transmission can be horizontal or vertical

Question 10

Horizontal transmission

Answer 10

Individuals pass on pathogens by shaking hands, kissing, touching sores, or having sexual contact

Question 11

Vertical transmission

Answer 11

Pathogens are passed from parent to offspring in an egg or sperm, across the placenta, in breast milk, or in the birth canal ex: syphilis and gonorrhea