Answer Happy

Normally the stimulation of IgE production is to an antigen
introduced parenterally. Which of the following routes of exposure
is not parenteral?
Intravenous.
through the alimentary track.
intramuscular.
subcutaneous.
In the RAST assay for ragweed pollen:
The patients serum is first mixed with radiolabeled
IgE.
Only IgE anti-ragweed antibodies are detected.
complement is utilized.
the patient is injected with radiolabeled antigen. R
During the effector phase of allergic reaction which of the
following is not a preformed mediator?
leukotrienes.
histamine.
serotonin.
heparin.
Epinephrine:
causes bronchodilation.
is effective even after anaphylactic symptom commence.
causes vasoconstriction.
all of the above.
A man visits a friends home who has cats as pets. Two hours
later he is at the E.R. with a severe asthma attack. What most
likely caused the asthma?
the man is allergic to cats.
the man was exposed to mold at the friends house.
the man has an autoimmune disease.
all of the above. R