8.L.1.1 NCES

Front

What is African Sleeping Sickness and what causes it?

Back

African Sleeping Sickness is a human disease caused by a parasitic infection, specifically by the Trypanosoma brucei parasite, transmitted by the tsetse fly.

Front

What is the most effective way to prevent microbial infections?

Back

The easiest way for a person to prevent microbial infections is to wash hands frequently with hot water and soap.

Front

What term describes an outbreak of a disease affecting a large portion of a population at the same time?

Back

The term that best describes such an outbreak is 'epidemic'.

Front

What is a key characteristic of viruses?

Back

Each virus has its own unique shape and structure.

Front

Which parasite is primarily responsible for the spread of Lyme disease?

Back

The tick is the parasite most often responsible for the spread of Lyme disease.

Front

What is the role of the tsetse fly in disease transmission?

Back

The tsetse fly is a vector that transmits the Trypanosoma brucei parasite, causing African Sleeping Sickness.

Front

Define 'epidemic' in the context of public health.

Back

An epidemic is defined as an outbreak of a disease that occurs in a community or region in excess of what is normally expected.

Front

What are some common symptoms of African Sleeping Sickness?

Back

Common symptoms include fever, headaches, joint pains, and in later stages, neurological symptoms such as confusion and sleep disturbances.

Front

How do viruses differ from bacteria?

Back

Viruses are much smaller than bacteria, require a host to replicate, and lack cellular structures, while bacteria are single-celled organisms that can reproduce independently.

Front

What preventive measures can be taken to avoid tick bites?

Back

Preventive measures include wearing long sleeves and pants, using insect repellent, and performing tick checks after outdoor activities.