NEHA Vector Control and Pest Management

Question 1

In public health, what is a 'vector' in the context of disease transmission?

Accepted Answer

An organism that transmits a pathogen from one host to another

Answer

A pathogenic microorganism

Answer

A chemical disinfectant used in pest control

Answer

A type of personal protective equipment

Question 2

Which mosquito genus is the primary vector for West Nile virus in the United States?

Accepted Answer

Culex

Answer

Anopheles

Answer

Aedes

Answer

Mansonia

Question 3

What Integrated Pest Management (IPM) principle should be applied first before considering pesticide application?

Accepted Answer

Identify the pest and use non-chemical prevention and control methods first

Answer

Apply the most toxic pesticide available

Answer

Treat the entire area regardless of pest presence

Answer

Apply pesticides on a fixed schedule

Question 4

Which disease is transmitted by Ixodes scapularis (black-legged tick) in the northeastern United States?

Accepted Answer

Lyme disease

Answer

Rocky Mountain spotted fever

Answer

Malaria

Answer

Dengue fever

Question 5

What is the primary purpose of source reduction in mosquito control programs?

Accepted Answer

To eliminate or modify breeding habitats to prevent mosquito larval development

Answer

To apply larvicides to standing water

Answer

To apply adult mosquito pesticides by aircraft

Answer

To introduce natural predators into all water bodies

Question 6

What is 'resistance management' in the context of pesticide use for vector control?

Accepted Answer

Rotating pesticide classes and using non-chemical methods to prevent development of pesticide-resistant pest populations

Answer

Increasing pesticide doses to overcome resistance

Answer

Banning all pesticide use

Answer

Using only organochlorine pesticides