ATI RN
Lymphatic System Questions Questions
Question 1 of 5
Somatically generated receptors found on B and T lymphocytes are
Correct Answer: D
Rationale: Bone marrow-derived and thymus-derived (T) lymphocytes somatically generate receptors during development. Unlike natural killer cells, B cells and T cells are unable to assess the quantity of MHC class I molecules on nucleated cells. Unlike innate immune system receptors, B- and T-lymphocyte somatic receptors are randomly generated and vary greatly between individuals. B- and T-lymphocytes receptors are formed prior to antigen stimulation.
Question 2 of 5
Which of the following statements is false?
Correct Answer: B
Rationale: A single hematopoietic stem cell gives rise to all blood cells, including red and white, not separate progenitors.
Question 3 of 5
MHC proteins are also called
Correct Answer: D
Rationale: MHC proteins are HLA in humans; not ABC , HIV , or Ig .
Question 4 of 5
Which type of antigen-presenting molecule is found only on macrophages, dendritic cells, and B cells?
Correct Answer: B
Rationale: MHC II is on APCs (macrophages, DCs, B cells); MHC I is universal.
Question 5 of 5
The formation of lymph increases as a result of
Correct Answer: B
Rationale: Increased osmotic pressure in tissue fluid drives fluid into lymphatic capillaries, forming lymph.