gamma beta cells are a type of antigen specific cell
Questão 2
Questão
Nonspecific lymphatic cells are released as inactive cells. Macrophages begin as monocytes in blood and differentiate when they've invaded the tissues.
Responda
T/T
T/F
F/T
F/F
Questão 3
Questão
The bone marrow is a primary lymphatic organ because most lymph cells originate here. The thymus, spleen, and lymph associated tissues are all secondary lymphatic organs because these are places where lymph cells meet pathogens.
Responda
T/T
T/F
F/T
F/F
Questão 4
Questão
In the high endothelial venule, B-lymphocytes are in the paracortex. The T-lymphocytes are in the primary follicle.
Responda
T/T
T/F
F/T
F/F
Questão 5
Questão
Which of the following is false?
Responda
The Hassel's corpuscle pertains to the CD4 T-regulatory cells
Upon the onset of puberty, the thymus gains adipose tissue leading to lower generation of T-cells
B-cells are remade every few days but T cells are supposed to last for years
The thymus and lymph nodes both have reticular cells and fibers
MALT has m-cells involved in food tolerance
Questão 6
Questão
Which of the following is true?
Responda
Lingual tonsil- one crypt
Palatine tonsil- has many folds
Pharyngeal tonsil- has many crypts
Lingual tonsils have dense capsule on exposed side
Pharyngeal tonsil folds are larger than the crypts
Questão 7
Questão
The spleen has closed circulation with the capillaries in there. T-cells are associated with PALS, B-cells with the germinal centers.
Responda
T/T
T/F
F/T
F/F
Questão 8
Questão
The red pulp of the spleen is colored because of its rich trabecular vascularization and recycling of RBC from circulation. The white pulp has a role in fighting systemic infections.
Responda
T/T
T/F
F/T
F/F
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