A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.For each of the following multiple choice questions, choose the most appropriate answer :
1. In Lewis Triple Response, redness when skin is scratched with a pointed object is seen due to
A. Axon Reflex causing Vasoconstriction
B. Histamine Release due to local injury to mast cells by pointing device-
C. Free Nerve Endings
D. Endothelial Damage leading to increase in permeability
2. Fixative used in Histopathology
A. Ethyl Alcohol
B. Buffered Neutral 10o Formalin
C. Glutaraldehyde
D. Bouin's Solution
3. Which of the following changes is associated with irreversible cell damage?
A. glycogen depletion
B. flocculent densities in mitochondria
C. cellular swelling.
D. loss of microvilli
4. About Bombay Blood Group, true is
A. Lack of A,B and H antigen on RBC
B. Lack of A, B and H antigen in Saliva
C. Lack of other Blood Group Antigens
D. Presence of Anti-A, Anti-B and Anti-H antibody in blood
5. Which of the following markers is specific for Gastro intestinal stromal tumors (GIST)?
A. CD 117
B. CD 34
C. CD 23
D. S - 1000
6. What is used for diagnosis of fragment of chromosomes
A. FISH
B. CGH
C. PCR
D. RFLP
7. Actions of Bradykinin include all of the following, except:
A. Vasodilatation
B. Bronchodilatation
C. Increased vascular permeability
D. Pain
8. PNH is associated with deficiency of:
A. DAF
B. MIRL
C. GPI Anchored protein
D. All of the above
9. At present the most useful method of epidemiological investigation of staphylococcal infections is to determine
A. colony and colour variation
B. M protein production
C. coagulase production
D. specific bacteriophage production
10. Each of the following pairs is correctly associated EXCEPT
A. air embolism - deep sea diving.
B. tumour arterial embolism - pulmonary infarct.
C. fat embolism - fractures of long bones.
D. paradoxical embolism - atrial septal defect
11. Iron is found in abundant quantities in :
A. Erythrocytes
B. Enzymes-cytochrome and peroxidases
C. Muscles
D. All of these
12. Acute inflammation is characterised by :
A. Lymphocytosis
B. Basophilia
C. Raised E.S.R
D. Polymorphonuclear leucocytosis
13. Among the following, transitional cell carcinoma of the urinary bladder most often is associated with:
A. metastases to bone.
B. metastases to the kidneys.
C. metastases to the lungs.
D. local extension to surrounding tissues
14. The colour of haemosiderin is :
A. Black
B. Brown
C. Yellowish brown
D. Golden yellow
15. Secondary amyloidosis may be seen in :
A. Addison's disease
B. Banti's syndrome
C. Marphan syndrome
D. Hodgkin's disease
16. The colon is thickened ; the mucosa, presents 'cobblestone' appearance with linear ulcers. There are giant cells in the regional lymph nodes. The most likely disease is :
A. Carcinoma of colon
B. Amoebic colitis
C. Ulcerative colitis
D. Crohn's disease
17. In anoxia, shock results from :
A. Reduction in blood volume
B. Acute circulatory failure
C. Psychogenic factors
D. Increase in vascular bed
18. Generalised oedema results from all of the following disorders EXCEPT
A. systemic hypertension
B. CCF
C. cirrhosis
D. nephrotic syndrome
19. Cystic fibrosis is inherited as an autosomal recessive condition. A normal couple has one daughter affected with the disease. They are now planning to have another child. What is the cause of her sibling being affected by the disease?
A. 0
B. 1/2
C. 1/4
D. 3/4
20. Down's syndrome is most commonly caused by:
A. Maternal nondisjunction
B. Paternal Nondisjunction
C. Translocation
D. Mosaicism
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