When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?

Related Mcqs:

1. During a routine checkup a 70 year old male is found to have Serum Alkaline Phosphatase three time the upper limit of normal. Serum Calcium, Serum Phosphorous and liver function tests are normal. The most likely diagonsis is______________?

   A. Primary hyperparathyroidism
   B. Paget’s disease of the bone
   C. Osteomalacia
   D. Metastatic bone disease

2. Oral ulcers which occurs in groups, persist for about 6 weeks and leave scars on healing are______________?

   A. Recurrent aphthous major
   B. Recurrent aphthous minor
   C. Recurrent herpetiform ulcers
   D. Acute herpetic gingivostomatitis

3. The common site of melanoma on the orofacial skin is_____________?

   A. Lower lip
   B. Malar region
   C. Forehead
   D. Upper lip

4. Which of the following antihypertensive agents in most likely to cause an exaggerated response to an injected catecholamine_____________?

   A. Propranolol
   B. Hydralazine
   C. A thiazide diuretic
   D. Gauanethidine

5. Erythroblastosis fetalis can be prevented if the mother is injected at parturition, with an antibody called_____________?

   A. Blocking antibody
   B. Rh (D) immunoglobulin
   C. Antilymphocyte globulin
   D. Antithymocyte serum

6. Pigmentation occurs in oral cavity and skin in all of the following except_______________?

   A. Peutz-jeghers syndrome
   B. Addision’s syndrome
   C. Cushing syndrome
   D. Albright syndrome

7. At PH 7 the binding of 2,3 DPG to hemoglobin occurs at which site ?

   A. Sulphydryl group
   B. Carboxy terminal
   C. Amino terminal
   D. Histidine

8. The serum concentration of which of the following human IgG subclass is maximum ?

   A. IgG1
   B. IgG2
   C. IgG3
   D. IgG4

9. Which of the following immunoglobulins has the highest mean serum concentration in humans_________________?

   A. IgA
   B. IgD
   C. IgG
   D. IgM

10. In patients with asthma due to an allergic cause the serum levels of which immunoglobulin increase____________________?

    A. IgD
    B. IgM
    C. IgA
    D. IgE