Bee sting venom is considered to be which type of allergen?

B lymphocytes and T lymphocytes mature in the thymus gland.

The initial encounter with an allergen is called the ________.

A person who is Rh– will have anti-Rh antibodies in their serum from early infancy.

________ is the most abundant class of antibodies in serum.

B lymphocytes and T lymphocytes mature in the thymus gland.

The human microbiome is considered an important component of the first line of defense.  Which statement adequately reflects its role as a defensive barrier?

________ is the most abundant class of antibodies in serum.

The human microbiome is considered an important component of the first line of defense.  Which statement adequately reflects its role as a defensive barrier?

Class I MHC genes code for ________.