The Iron Lung

What part of the body does polio paralysis usually start with?

• The legs

• The arms

• The neck

• The back

Why did many people die from polio?

• Due to dehydration

• Because of breathing difficulties

• Due to heart failure

• Because of a lack of medication

What was the primary function of the iron lung?

• To help people walk again

• To create a vaccine for polio

• To increase blood circulation

• To assist in breathing for paralyzed patients

During which decades was the polio epidemic at its peak in the United States?

• 1920s and 1930s

• 1940s and 1950s

• 1980s and 1990s

• 1960s and 1970s

What led to the drastic reduction in polio cases?

• Improved sanitation

• The introduction of the polio vaccine

• The development of antibiotics

• Natural immunity

How effective was the polio vaccine in reducing polio cases?

• 90 percent reduction

• 50 percent reduction

• 75 percent reduction

• 99.9 percent reduction

As of the video, which two countries still have cases of wild polio?

• Nigeria and Somalia

• Afghanistan and Pakistan

• Brazil and Argentina

• India and China