Soru
stion 14 After the clearance of foreign antigen the expanded effector T-cell population __ a. dies by apoptosis b. increases in size c. remains in the circulatory system d. remains in lymph nodes
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Profesyonel · 6 yıl öğretmeniUzman doğrulaması
Cevap
a. dies by apoptosis
Açıklamak
## Step 1<br />This question is about the behavior of effector T-cells after they have cleared a foreign antigen. Effector T-cells are a type of T-cell that play a crucial role in the immune response. They are responsible for killing infected host cells, activating other immune cells, and regulating the immune response.<br /><br />## Step 2<br />After an effector T-cell has cleared a foreign antigen, it undergoes a process called apoptosis. Apoptosis is a form of programmed cell death that allows cells to die in a controlled manner. This is a natural process that helps to maintain the balance of cells in the body.<br /><br />## Step 3<br />The other options, such as increasing in size, remaining in the circulatory system, or remaining in lymph nodes, are not typical behaviors of effector T-cells after they have cleared a foreign antigen. These cells are designed to respond to a threat and then die off, allowing the immune system to move on to other tasks.
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