For Each of the Clinical Scenarios in Questions , Choose

Multiple Choice

For each of the clinical scenarios in questions , choose the hypersensitivity type (A-D) that best matches the associated immunologic disease.
(Answers may be used more than once.)
-A 60-year-old man is evaluated for shortness of breath, lightheadedness, diarrhea, abdominal pain, and tingling in his fingers and toes. A blood smear from the patient is shown in the figure. Antibodies to intrinsic factor are detected in his serum.

A) Type I hypersensitivity
B) Type II hypersensitivity
C) Type III hypersensitivity
D) Type IV hypersensitivity