Genotyping differs from serology in that
A) serology is faster.
B) genotyping requires a fresh blood sample whereas serology can be done on a dried
sample.
C) serology detects diverse antigens, whereas genotyping detects the underlying
genetic instructions for those antigens.
D) genotyping detects diverse antigens, whereas serology detects the underlying
genetic instructions for those antigens.
C
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What is housed in the pyramidal tracts of the medulla oblongata?
A) upper sensory neurons of the corticospinal tract B) upper motor neurons of the corticospinal tract C) lower sensory neurons of the corticospinal tract D) lower motor neurons of the corticospinal tract
Define autoimmune disorders
A) Autoimmune disorders are conditions that result from the production of antibodies directed against normal antigens in the body. B) Autoimmune disorders are an inadequate immune responses due to problems with embryonic development of lymphoid organs and tissues, a viral infection, or treatment with or exposure to immunosuppressive agents. C) Autoimmune disorders are an immune response to a circulating antigen that stimulates mast cells throughout the body to release chemicals that prompt the inflammatory response. D) Autoimmune disorders are excessive immune reactions of antibodies to a virus-infected cell. E) Autoimmune disorders are excessive immune responses to an allergen, which is an antigen that triggers an allergic reaction.
Match the eye structure with the appropriate description.A. Blood vessels enter and the optic nerve exits hereB. A small yellow spot near the center of the posterior retinaC. The portion of the retina with the greatest visual acuityD. A jelly-like substance in the posterior cavity of the eyeE. The fluid that fills the anterior cavity of the eyeAqueous humor
Fill in the blank(s) with the appropriate word(s).
Lymphoid stem cells mature into
A. B-lymphocytes and T-lymphocytes. B. B-lymphocytes. C. B-lymphocytes, T-lymphocytes, and NK cells. D. T-lymphocytes. E. B-lymphocytes, T-lymphocytes, and monocytes.