Which of the following does NOT occur shortly following oligomerization of the BCR upon antigen binding?
A. Movement of the BCR complex into areas of the membrane called "lipid rafts"
B. Positioning of Ig? and Ig? to allow for phosphorylation of their ITAM motifs
C. Positioning of CD3 to allow for phosphorylation if its ITAM motifs
D. Formation of clathrin-coated pits around BCR complex
E. All of the above occur.
C
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The nurse is demonstrating to the client how to instill ophthalmic drops. She reviews proper hand-washing and handling of the medication. What other instruction does the nurse need to explain regarding the procedure?
a. Instill the drops into the lower conjunctival sac. b. Instill the drops into the eye with your head tilted back. c. Instill the drops into the eye sitting straight up. d. Instill the drops onto the upper lid and then close the eye.
An acute respiratory infection characterized by a peculiar barking cough is:
A) bronchitis. B) pertussis. C) croup. D) influenza.
When it comes to health and fitness, "underweight" and "____" do not necessarily mean the same thing
a. malnourished b. at risk c. underfed d. unhealthy e. thin
The ability to block out the external environment is a prerequisite to autogenics
a. true b. false