Epinephrine (or norepinephrine) is secreted by which of the following structures?
a. Cortex of kidney
b. Cortex of adrenal glands
c. Medulla of adrenal glands
d. Medulla of nephron
Ans: c. Medulla of adrenal glands
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The ligaments that protect the alignment of the femoral and tibial condyles and limit the movement of the femur anteriorly and posteriorly are called ________.
A) cruciate ligaments B) patellar ligaments C) anterior ligaments D) tibial collateral ligaments
The vestibular nerve contains a nerve from the:
a. semicircular canals b. vestibule c. cochlea d. both A and B above
Receptor cells for gustation and olfaction have what in common?
A. Both olfactory cells and gustatory cells have microvilli. B. Both olfactory cells and gustatory cells detect chemical senses. C. Both olfactory cells and gustatory cells are neurons. D. Both olfactory cells and gustatory cells are banana-shaped.
Describe hypersensitivities
A) Hypersensitivities are normal immune responses to an allergen, which is an antigen that triggers an allergic reaction. B) Hypersensitivities are excessive immune responses to an allergen, which is an antigen that triggers an allergic reaction. C) Hypersensitivities is a condition that results from the production of antibodies directed against normal antigens in the body. D) Hypersensitivities are 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. E) Hypersensitivities are the excessive immune reaction of antibodies to a virus-infected cell.