Mammography is specialized medical imaging that uses a low-dose X-ray system to see inside the breasts. A mammography exam, called a mammogram, aids in the early detection and diagnosis of breast diseases in women. Imaging with X-rays involves exposing a part of the body to a small dose of ionizing radiation to produce pictures of the inside of the body. One recent advance in mammography is digital mammography. With digital mammography, the X-ray film is replaced by electronics that convert X-rays into mammographic pictures of the breasts. This system is similar to those found in digital cameras, and its efficiency enables better pictures with a lower radiation dose. –“Mammography,”

Radiological Society of North America

What is the purpose of mammography?

treat breast cancer
detect breast cancer
prevent breast cancer
research breast cancer

Explanation:

Mammography is specialized medical imaging that uses a low-dose X-ray system to see inside the breasts. A mammography exam, called a mammogram, aids in the early detection and diagnosis of breast diseases in women. Imaging with X-rays involves exposing a part of the body to a small dose of ionizing radiation to produce pictures of the inside of the body. One recent advance in mammography is digital mammography. With digital mammography, the X-ray film is replaced by electronics that convert X-rays into mammographic pictures of the breasts. This system is similar to those found in digital cameras, and its efficiency enables better pictures with a lower radiation dose.

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the correct answer is 4 (giveaways to the public)

something that is given away or gave out for free. an occasion at which things are given away to free. something that is evident or obvious; something that uncovers a mystery.

it could be be in a form of a lucky draw as well. these the company events gather more audience for their pr and it also increases their ratings as well. this is a way to attract more customers towards themselves.