Which of the following tissues is considered radiosensitive?

Which of the following tissues is considered radiosensitive?

• A. Nerve cells
• B. Muscle tissue
• C. Bone marrow stem cells
• D. Cartilage

Answer: (C)

Bone marrow stem cells are considered radiosensitive because they are part of the hematopoietic system, which is highly susceptible to the effects of ionizing radiation. These stem cells are responsible for producing red and white blood cells, as well as platelets. Since they are rapidly dividing and differentiating, they have a higher likelihood of sustaining damage from radiation exposure compared to more differentiated and slower-dividing cells, such as nerve cells and muscle tissue. Additionally, tissues that are involved in regeneration and cellular turnover, like bone marrow, are generally at a greater risk for radiation-induced damage since radiation can disrupt their normal function and lead to potential long-term health effects, including cancer. In contrast, nerve cells and muscle tissue are less radiosensitive because they have a lower rate of cell division, making them more resilient to radiation exposure. Cartilage, being a connective tissue with limited cell turnover, also falls into a category of lower radiosensitivity when compared to active stem cells in the bone marrow.

Bone marrow stem cells are considered radiosensitive because they are part of the hematopoietic system, which is highly susceptible to the effects of ionizing radiation. These stem cells are responsible for producing red and white blood cells, as well as platelets. Since they are rapidly dividing and differentiating, they have a higher likelihood of sustaining damage from radiation exposure compared to more differentiated and slower-dividing cells, such as nerve cells and muscle tissue.

Additionally, tissues that are involved in regeneration and cellular turnover, like bone marrow, are generally at a greater risk for radiation-induced damage since radiation can disrupt their normal function and lead to potential long-term health effects, including cancer. In contrast, nerve cells and muscle tissue are less radiosensitive because they have a lower rate of cell division, making them more resilient to radiation exposure. Cartilage, being a connective tissue with limited cell turnover, also falls into a category of lower radiosensitivity when compared to active stem cells in the bone marrow.