CLINICAL MEDICINE

MEDICINE

RADIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What type of cells does radiation affect the most?
A
Rapidly dividing cells
B
New Cells
C
Slowly dividing cells
D
Old cells
Explanation: 

Detailed explanation-1: -Lymphocytes (white blood cells) and cells which produce blood are constantly regenerating, and are, therefore, the most sensitive. Reproductive and gastrointestinal cells are not regenerating as quickly and are less sensitive.

Detailed explanation-2: -M: Mitosis phase The cell divides into two cells in a process called mitosis. Mitosis is the most radiosensitive phase both because mitosis is sensitive to disruption and because the cell is well oxygenated during this phase.

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