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Lesson 9 Review

Authored by Jenna Amy

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University

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Lesson 9 Review
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Radiation biology includes learning about what aspect of radiation?

The color spectrum of radiation

Radiation exposure and its effects on the body

The sound frequency of radiation

The nutritional value of radiation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a focus of radiation biology?

Measuring radiation levels

Understanding cellular damage from radiation

Assessing the risks of radiation exposure

Studying the effects of radiation on plant growth

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to x-rays when they enter the body?

All reach the dental x-ray film

None are absorbed by tissues

Some are absorbed by tissues, causing chemical changes

They cause no biologic damage

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Through which effects do x-rays interact with atoms in the body?

Photoelectric effect and Compton scatter

Thermal expansion and contraction

Magnetic resonance and diffusion

Gravitational pull and lift

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can the kinetic energy of a dislodged electron cause?

Further ionization of nearby atoms

Decrease in atomic mass

Formation of new elements

Reduction in atomic number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of kinetic energy in ionization?

Causes further ionization

Reduces atomic weight

Increases atomic number

Stabilizes atoms

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do free radicals form in the body?

By absorbing sunlight

When x-ray photons ionize water molecules

Through the consumption of antioxidants

By drinking water

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