health

Question 1

Match the following epidemiologic terms with their definitions.

Prevalence
Incidence
Mortality
Morbidity

A.
Number of deaths from a disease during a specified time
B. Number of cases of disease present at a specified time
C. Number of new cases of disease during a specified time
D. Amount of disability from a disease over a lifetime

Question 2

Match the following portals of exit with their commonly associated portals of entry.

Respiratory secretions
Faces
Open sores
Blood

Answer
A. Broken skin
B. Mouth
C. Mucous membranes
D. Respiratoty tract

Question 3
Put the following stages of disease in order.
Incubation,
Prodrome,
Decline and
Convalescent

Question4

The “portal of exit” component of the chain of infection identifies how the disease agent infects the susceptible host.
True or False

Question 5
Antigenic drift refers to the minro genetic changes to circulating viruses (such as influenza) that occur seasonally.
True or False
Question 6
Aerosal spread refers to the dissemination of virus (such as influenza) in airborne particles that can be carried in the air over long distances.
True or False
Question 7
In the event of an avian influenza pandemic, seasonal influenze vaccines should be discontinued.
True or False
Question 8
What is the most common route of transmission of Listeria to humans?
1. Consuming contaminated food
2. Drinking contaminated water
3. Breathing in respiratory droplets from the cough or sneeze of an infected person
4. Mosquito bites
Question 9
Briefly explain why interventions that address more than one level of the social-ecological model are more effective than single-level interventions.
Question 10
Select one of the four reasons that Schneider used to explain why public health is controversial, identify a public health issue that exemplifies that type of controversy (do not use the same examples as Schneider), and suggest one public health approach that might be used to alleviate the controversy.
Question 11
Briefly describe and explain the strengths and weaknesses of focusing on individual-level cognitivie-behavioral strategies in public health interventions, rather than population strategies.

 
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