Track the path of maturation of the T lymphocyte
What will be an ideal response?
Answer: Precursor T cells leave the bone marrow (where they develop from the committed lymphoid progenitor cell) and enter the thymus through arterioles in the cortex. The thymus is the maturation compartment for T-lymphocytes. As they travel through the cortex and medulla, the T-lymphocytes interact with epithelial cells and dendritic cells, which provide signals to ensure that T cells recognize foreign antigen, not self-antigen. In addition, the T cells undergo substantial proliferation.
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Common chest assessment findings in a patient with cystic fibrosis include:
1. tracheal deviation. 2. breath sounds reveal crackles and rhonchi. 3. dull percussion note. 4. hyperresonant percussion note. a. 1, 3 b. 2, 4 c. 1, 2 d. 2, 3, 4
The origin of the current unemployment insurance program for employees who are unable to work through no fault of their own is the
A) Fair Labor Standards Act. B) Consolidated Omnibus Budget Reconciliation Act. C) Social Security Act. D) Federal Insurance Contribution Act.