Period 5: Waves - Student Teaching

Who discovered X-ray technology?

• Wilhelm Roentgen

• Thomas Edison

• Marie Curie

• James Clerk Maxwell

Why do bones appear white in X-ray images?

• They emit their own radiation

• They absorb more X-rays than soft tissues

• They reflect visible light

• They contain high amounts of water

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How has AI improved X-ray technology?

• By replacing radiologists completely

• By eliminating the need for X-ray machines

• By reducing the cost of X-ray procedures

• By enhancing image analysis and diagnostic accuracy

What is an X-ray wave?

• Sound wave

• Green light wave

• Gamma ray

• Form of EM radiation

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What does an EEG primarily measure?

• Brain structure

• Electrical activity in the brain

• Blood flow in the brain

• Oxygen levels in the brain

During an EEG, where are the electrodes placed?

• On the chest

• Inside the brain

• On the scalp

• On the arms

How many types of brain waves are there in an EEG?

• 6

• 5

• 4

• 3

Who of the following was NOT part of the historical origins of EEG technology?

• Richard Caton

• Hans Berger

• Charles Best

• Vladimir Pravdich-Neminsky

How does noise cancelling work?

• A tiny microphone built in detects background noise and generates an opposite sound wave to cancel out unwanted sounds.

• A piece of plastic in the headphones acts a way to bounce sound away.

• The insulation in the headphones is just so good that no sound can get through.

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Is battery drain a con of noise cancelling headphones?

• Yes

• No