A middle-aged woman will soon begin treatment for a gastric tumor that has just been discovered by endoscopy.
The woman's natural killer (NK) cells are already actively opposing the tumor cells, because the tumor cells lack self markers of major histocompatibility complex (MHC) class I. This aspect of the patient's immune response is characteristic of:
A) Active immunity
B) Humoral immunity
C) Phagocytic immunity
D) Natural immunity
Question 2
A patient with a recent history of hematologic abnormalities has been scheduled for a bone marrow biopsy. The patient has expressed to the nurse, That sounds like an incredibly painful experience.
How should the nurse best respond to this patient's concern?
A) Actually, you won't feel anything other than the initial shot where the doctor injects anesthetic.
B) A bone marrow biopsy can be a painful experience, but know that it is only ordered when absolutely necessary.
C) There is some pressure and pain when the doctor removes the marrow, but this should only be short-lasting.
D) The doctor will inject some anesthetic into your bone a few hours ahead of time reduce the pain associated with the procedure.
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