Top 150+ Solved Pathology MCQ Questions Answer

a. 50 rads

b. 150 rads

c. 250 rads

d. 350 rads

e. 450 rads

a. it may be regarded as a normal physiological process

b. it is characterised by chromatin condensation

c. it often elicits a strong inflammatory response

d. it is the process by which ovaries atrophy in post menopausal women

e. it is characterised by cell shrinkage

a. endothelial cell contraction

b. junctional retraction

c. direct injury

d. leukocyte-dependent leakage

e. regenerating endothelium

a. decreased ATP

b. intracellular release of lysosomal enzymes

c. decreased Na pump activity

d. detachment of ribosomes

e. ER swelling

a. C5a is a powerful, chemotactic agent for neutrophils, monocytes and eosinophils

b. C5a increases leukocyte adhesion to endothelium by activating leukocytes

c. C3a and C5a are called anaphylatoxins because they cause mast cell degranulation

d. C3a activates the lipoxygenase pathway in leukocytes

e. C3 and C5 can be activated in inflammatory exudate by lysosomal enzymes

a. results from necrosis in which cellular enzymatic digestion predominates over denaturation

b. is characterised by a marked leukocytic infiltrate

c. is uncommon after myocardial infarction

d. usually occurs after irreversible ischaemic cellular damage

e. is not usually seen in association with caseous necrosis

a. may sometimes be a component of the acute inflammatory response

b. indicates the presence of tuberculosis

c. consists, in part, of microscopic aggregates of transformed lymphocytes

d. is always associated with the presence of giant cells

e. may result from non-immune mechanisms

a. 1% of unwounded skin strength

b. 10% of unwounded skin strength

c. 50% of unwounded skin strength

d. 75% of unwounded skin strength

e. 100%, i same as unwounded skin

a. bone marrow, thymus, spleen

b. liver, thymus, spleen

c. lymph nodes, spleen, thymus

d. bone marrow, spleen, liver

e. liver, spleen, pancreas

a. constitute less than 5% of blood lymphocytes

b. require opsonisation to enable their killing of cells

c. have a prime role in defense against parasites

d. require prior sensitisation to be effective

e. have an innate ability to lyse tumour cells and virally affected cells

a. they constitute 50% of circulating lymphocytes

b. they are found in germinal centres in the red pulp of the spleen

c. they are genetically programmed to recognise specific antigens by means of antigen specific cell surface receptors

d. they release chemical mediators when attached to IgE Type I hypersensitivity reactions

e. they are not affected by HIV infection

a. Type IV hypersensitivity only

b. Type IV and III hypersensitivity only

c. Type IV, III and II hypersensitivity only

d. Type IV and II hypersensitivity only

e. Type II and III hypersensitivity only

a. increase in the CD4+ lymphocyte numbers

b. appearance of anti-HIV antibodies

c. Type III hypersensitivity reaction

d. lymphoid tissue based destruction of infected cells

e. development of CD8+ virus specific cytotoxic cells

a. they can produce TNF and IL4 both of which cause fever

b. they have direct tissue toxicity due to the ability to release hydrogen peroxide

c. they have oxygen dependent microbicidal activity

d. they have cytotoxicity against tumour cells

e. they process antigens and act as antigen presenting cells to activate lymphocytes

a. the majority of cases of acute Hepatitis B infection result in a carrier state, without clinical evidence of disease

b. anti HB s appears in the first week of infection

c. anti HCV IgG does not confer immunity to Hepatitis C

d. the major cause of death from Hepatitis B is hepatocellular carcinoma

e. Hepatitis A virus has an outer surface envelope of protein, lipid and carbohydrate