Question detail

What safety precautions can reduce radiation exposure when handling radioactive sources?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Atoms and nuclear radiation

Question

A. Reducing time, increasing distance, and using shielding.
B. Wearing sunglasses and gloves.
C. Using only lead containers.
D. Avoiding any contact with the source.

Answer

The correct answer is A: Reducing time, increasing distance, and using shielding..

Explanation

The correct answer is A: Reducing time, increasing distance, and using shielding.. This supports the learning objective "Explain that ionising radiation can increase the risk of cancer or mutations." in Radioactive contamination because it uses the correct atomic and nuclear radiation relationship for Atoms and nuclear radiation. The other options are less suitable because they do not match the required Radioactive contamination idea: Wearing sunglasses and gloves.; Using only lead containers.; Avoiding any contact with the source..

Common mistake

Misunderstanding Ionising Radiation Effects

Students often confuse the effects of ionising radiation, thinking that all types of radiation have the same risk of causing cancer or mutations.

To fix this, students should study the specific properties and hazards of different types of radiation (alpha, beta, gamma) and understand how their penetration and ionising power affect their potential to cause biological damage.

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