Explain the consequence of antigen recognition by T cells in the absence of this glycoprotein on the antigen-presenting cell
What will be an ideal response?
If they engage antigen in the absence of B7 expression and, hence, co-stimulation, T cells will become irreversibly non-responsive (anergic) instead of activated. This is one mechanism by which T-cell tolerance may be achieved.
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Which of the following statements regarding mineralocorticoid hormones is NOT true?
A) Mineralocorticoid hormones are secreted by the adrenal cortex. B) Aldosterone is an example of a mineralocorticoid. C) Aldosterone regulates sodium and potassium levels in the body. D) Mineralocorticoids regulate carbohydrate metabolism in the body.
The combining form that means sole of foot is ________.
Fill in the blank(s) with the appropriate word(s).
The autism spectrum is made up of:
A. Autistic disorder. B. Asperger's syndrome. C. Pervasive developmental disorder. D. Both A and B E. All of the above
Which of the following is related to the definition of spiritual health?
A. Ability to interpret circumstances scientifically B. Adherence to societal norms C. Ability to discover and express one's purpose in life D. Adherence to constitutional policies and rules