Activation of naïve B cells is a two-step process, during which
A. antigen triggers B-cell production of CCR7, which leads it to interact with T cells.
B. antigen triggers T-cell production of CCR7, which recruits B cells.
C. T-cell help stimulates B cells to produce CCR7, then divide.
D. macrophages trigger B-cell production of CCR7, which leads it to interact with T cells.
E. None of the above.
A
You might also like to view...
The somatic nervous system manages
A. conscious actions. B. emotions. C. the fight-or-flight reaction to a stressor. D. hormones released in response to a stressor.
A client has been taking paroxetine (Paxil) for a year and tells a nurse it is no longer working. What is the best response by the nurse?
A. "This sounds like your medication needs changing." B. "Let's look for interactions with other medications you are taking." C. "Are you taking name brand Paxil or the generic version paroxetine?" D. "It is time for us to do the Beck Depression assessment again."
List five diseases that are associated with long-term chronic stress
What is the broad vision of the Healthy People Initiative?
A. Reduce cancer rates and increase the average lifespan. B. Improve health care access for all Americans. C. Promote fitness and healthy lifestyles. D. Create a society in which all people live long, healthy lives.