A nurse is providing care for a client who is immunocompromised ...

[aabwk4]

A nurse is providing care for a client who is immunocompromised following chemotherapy. The nurse knows which of the following characterizations of the adaptive immune system listed below is responsible for the client's disruption in his normal immune fun
 
  A)
  Epitopes on antigens are recognized by immunoglobulin receptors following presentation by accessory cells.
  B)
  Haptens combine to form epitopes that stimulate the response of regulatory and effector cells.
  C)
  Effector cells orchestrate the immune response of regulatory cells toward an antigen.
  D)
  Accessory cells such as macrophages are engulfed by regulatory cells, stimulating effector cells.

Question 2

A 39-year-old female with HIV infection has been characterized as a typical progressor by her care team and is experiencing an increase in her manifestations and health complaints as her CD4+ count declines.
 
  Which of the following health problems would her care team most likely attribute to a cause other than her HIV?
  A)
  Her recent diagnosis of bacterial pneumonia
  B)
  Her esophagitis that has been linked to herpes simplex infection
  C)
  Her decreased bone density and recent fractures
  D)
  Her increasing confusion and disorientation

[Ksanderson1296]

Answer to Question 1

Ans:
A

Feedback:

In the adaptive immune response, accessory cells present antigen epitopes to receptors, initiating the immune response of lymphocytes. Epitopes may combine to form haptens, and regulatory cells orchestrate effector cells. Regulatory cells do not engulf accessory cells.

Answer to Question 2

Ans:
C

Feedback:

While pneumonia, esophagitis, and cognitive deficits are all well-documented manifestations of HIV, changes in bone density are less likely to be a direct result of the virus.