Exam #2 Miscellaneous Flashcards
Pokeweed mitogen stimulates ______, while phytohemagglutinin stimulates ______.
both B and T lymphocytes; just T lymphocytes
In beta thalassemia major, there is still _____.
some Hgb A
CGD can be _______.
X-linked recessive or autosomal recessive
A _________ is a syndrome in which immature leukocytes are found in the blood.
leukemoid reaction
Neutrophil myeloperoxidase doesn’t usually cause disease, with the major exception being ________.
fungal infections in diabetics
Cyclic neutropenia usually follows a ______ cycle.
21-day
Positive selection selects against _______.
cells that fail to recognize a self protein
What is the histologic difference between resting and active lymphocytes?
Active lymphocytes will have large nuclei
In the lymph nodes, dendritic cells are often _______.
between the cortex and paracortex
List three types of intracellular bacteria.
Mycobacteria, listeria, and brucella
What part of the TCR is activated by both MHC I and MHC II?
CD3
When do T cells display CD1?
In the thymus