Health High School

1. Which is a true statement?
A. X-rays are invisible and not very powerful.
B. Exposure to x-rays can harm the eyes, bone marrow and skin.
C. The diagnostic benefits of x-rays usually don’t outweigh the risks.
2. If you are having an asthma attack, you should use _____.
A. an inhaler
B. a nebulizer
C. a peak flow meter
D. either an inhaler or a nebulizer
3. This is a preventative measure to help track your asthma before your symptoms get worse.
A. An inhaler
B. A nebulizer
C. A peak flow meter
D. Either an inhaler or a nebulizer

Answers

Answer 1

1. The true statement among the following is "Exposure to x-rays can harm the eyes, bone marrow, and skin."X-rays are a form of electromagnetic radiation that passes through the human body to create images of internal organs and structures.

Excessive exposure to x-rays can lead to harmful effects, such as the mutation of skin cells, which may result in skin cancer, and the mutation of bone marrow cells, which may result in leukemia.

2. If you are having an asthma attack, you should use an inhaler. Using an inhaler during an asthma attack can help you breathe easier by providing medication directly to the lungs.

3. A peak flow meter is a preventative measure to help track your asthma before your symptoms get worse.A peak flow meter is a device that measures the airflow through your lungs. By measuring your peak flow regularly, you can keep track of how well your asthma is being managed and when your symptoms start to worsen.

Learn more about bone marrow:

https://brainly.com/question/30624572

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