Which of the following does NOT describe part of the anatomical position?
a.Standing erect
b.Gazing upward
c.Palms facing forward
d.Arms at the side of the body
b.Gazing upward
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Several drugs have been developed over the past decade that target and bind to specific cytokines (e.g., TNF-?). What detrimental health effects result from blocking cytokines?
A. The immune response will not be as robust because certain pathways have been blocked. B. Hyperstimulation of the immune system may result in a cytokine storm (hypercytokinemia). C. Excessive amounts of energy will be required to maintain the immune response when so many cytokines are present so the patient will require more than eight hours of sleep. D. Both A and B are potential concerns. E. Both B and C are potential concerns.
Which of the following is an accurate description of how centroblasts differ from centrocytes?
a. Centroblasts cease their expression of cell-surface immunoglobulins. b. Centroblasts divide more slowly than centrocytes. c. Centroblasts express CD44 but centrocytes do not. d. Centrocytes, but not centroblasts, initiate the process of isotype switching. e. Centroblasts participate in affinity maturation.
Protein A is a protein
a. on the surface of Staphylococcus aureus b. which binds immunoglobulin c. both of the above d. none of the above
The medical term for pertaining to drowsiness or sluggishness is:
A) pallor. B) myxedema. C) ascites. D) lethargic.