Bone marrow stem cells can be given to a patient with leukaemia. What is the aim?
Answer and explanation
Correct answer: B. To replace damaged blood cells with healthy new ones
- Step 1: Bone marrow contains stem cells that make blood cells.
- Step 2: A transplant can replace the faulty cells.
Answer
To replace damaged blood cells with healthy new ones.
Why not the others: To make the patient's nerve cells divide: bone marrow cells form blood cells. To stop the patient breathing out carbon dioxide: this is not related. To increase the size of the patient's heart: stem cells do not enlarge organs.
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