Epidemidogy (Lec 6) (Set 1)

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Which organization provides a global epidemiological service?

World Health Organisation (WHO) (correct)

National Institutes of Health (NIH)

Food and Drug Administration (FDA)

Centers for Disease Control and Prevention (CDC)

What is the definition of epidemiology?

The study of disease progression in individuals

The study of factors that determine disease frequency, distribution, and severity (correct)

The study of disease causation

The study of genetic susceptibility to diseases

What does the 'epidemiological triangle' consist of?

Bacteria, viruses, and pathogens

Disease progression, disease causation, and disease severity

External agent, susceptible host, and environment (correct)

Genetic susceptibility, external agent, and environment

According to the Centers for Disease Control and Prevention, what is the cause of disease?

The interaction between the agent and the susceptible host in an environment that supports transmission Signup and view all the answers

Which of the following is NOT a factor in disease causation?

Disease progression Signup and view all the answers

What is the main focus of epidemiology?

Determining disease frequency Signup and view all the answers

Which of the following is NOT a risk factor for cancer?

Physical inactivity Signup and view all the answers

Which disease was disproved to be contracted from 'bad smells' in 1859?

Black Death Signup and view all the answers

Which pandemic had the highest number of fatalities in history?

Influenza pandemic (1918-1919) Signup and view all the answers

Which disease is more common in people of African or Mediterranean heritage?

Sickle-cell anemia Signup and view all the answers

What is the major cause of death worldwide?

Chronic diseases Signup and view all the answers

Which of the following is a risk factor for cancer according to the World Health Organization (WHO)?

Genetic mutations Signup and view all the answers

Which of the following is NOT listed as a cancer where carcinogens are implicated?

Lung Signup and view all the answers

Which of the following is NOT mentioned as a hazard symbol for carcinogenic chemicals?

Mercury Signup and view all the answers

Which of the following is a virus implicated in cancer?

RSV Signup and view all the answers

Which of the following is a cancer with the highest incidence among the listed populations?

Prostate Signup and view all the answers

What is the main focus of epidemiological studies in relation to chronic diseases?

Determining dietary factors Signup and view all the answers

What is the 'epidemiological transition' referred to?

A shift in disease type Signup and view all the answers

What is the best evidence that carcinogens play a significant role in cancer causation?

Shift in disease type Signup and view all the answers

What has the twentieth century seen an unprecedented rise in?

Human life expectancy Signup and view all the answers