There is no regulation of herbal drugs because the FDA does not oversee what type of product?
a. Food supplements c. Generally recognized as safe products
b. OTC products d. Generally recognized as effective products
A
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Match the description in questions 1-5 with the lettered item (A-I) related to antigen-presentation pathways
A. T cell receptor on CD4+ T cells B. Endosomes C. Endoplasmic reticulum D. MHC class II compartment/class II vesicle (MIIC/CIIV) E. Class II-associated invariant chain peptide (CLIP) F. LMP-2 and LMP-7 G. Acidic proteases H. T cell receptor on CD8+ T cells I. HLA-DM Site of proteolysis of antigens in the class II MHC pathway
Which of the following is not a characteristic of mannose-binding lectin?
a. acts as an opsonin by binding to mannose-containing carbohydrates of pathogens b. synthesized by hepatocytes c. induced by elevated IL-6 levels d. a member of the pentraxin family e. triggers the alternative pathway of complement activation.
Which of the following is not considered a pathogen?
A. prions B. bacteria C. protozoa D. histamine
Positive stress is also called ________.
Fill in the blank(s) with the appropriate word(s).