medical MCQs – Page 489

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

9761. In sickle cell anaemia there is_____________?
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A. 75 to 100% haemoglobins

B. 20 to 30% haemoglobins

C. 10 to 20% haemoglobins

D. 50 to 60% haemoglobins

9762. Hodgkins lymphoma can be distinguished from non Hodgkins lymphomas by_________________?
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A. Systemic manifestations

B. All of the above

C. Reed Sternberg cells

D. Occurence in young adults

9763. White infarcts occurs in one of the following organs_______________?
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A. Intestine

B. Ovary

C. Heart

D. Lung

9764. Wounds which are clean uninfected and surgically incised, with edge of wounds approxiamated by sutures heal by____________?
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A. Cicatrisation

B. Secondary intention

C. All of the above

D. Primary intention

9765. Disappearance of nuclear chromatin is called as__________?
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A. None

B. Karyorhexis

C. Pyknosis

D. Karyolysis

9766. Syndrome which is characterized by 2X chromosomes and 1Y chromosome is_____________?
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A. Turner syndrome

B. Down syndrome

C. Kleinfelters syndrome

D. Marfan syndrome

9767. Tissue macrophages are called__________?
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A. Kupffer cells in liver

B. Histiocytes in connective tissues

C. All of the above

D. Microglial cells in nervous system

9768. Endotoxic shock is propagated____________?
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A. Peripheral vasodilation

B. Cytokine action

C. Increased vascular permeability

D. Endothelial injury

9769. Which of the following statement about fibrinous exudate is FALSE ?
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A. It has fibrin precipitates

B. It is associated with many types of severe inflammation

C. It has low protein content

D. It induces connective tissue organization

9770. Ag-Ab (antigen-antibody) reaction due to the presence of antibody at the surface of cell is______________?
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A. Type II hyp

B. Type I hyp

C. Type IV hyp

D. Type III hyp

9771. Which one of the following does not present antigens ?
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A. Macrophages

B. Dendritic cells

C. Langerhans cells

D. NK cells (Netural killer cells)

9772. Pap smear is used to detect dysplasia, carcinoma insitu and invasive carcinoma of uterine cervix. This is based on the principle of_______________?
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A. Neoplastic cells are are non cohesive

B. Hyper chromatic and pleomorphism of tumour cells

C. All of the above

D. Neoplastic cells are cohesive

9773. Which of the following is not present in lungs ?
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A. Klutischky cells

B. Brush cells

C. Clara cells

D. Langerhans cells

9774. Which is associated with defect in DNA repair___________?
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A. Sickle cell anaemia

B. Albinism

C. Icthyosis

D. Xeroderma pigmentosum

9775. Malignant tumour of epithelial origin is_______________?
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A. All of the above

B. Papilloma

C. Sarcomas

D. Carcinoma

9776. All cells do not divide at the same rate. Events in which phase of the cell cycle determine when a cell is going to replicate ?
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A. G2 phase

B. M phase

C. S phase

D. G1 phase

9777. Carcinogens induce tumours, they are________________?
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A. All of the above

B. Chemicals

C. Viruses

D. Radiation

9778. Serum sickness syndrome is_____________?
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A. None of the above

B. A transplant immunity

C. An anaphylactic shock

D. Systemic arthus reaction

9779. Major and frequent influence for thrombus formation is________________?
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A. Fatty streak

B. Hypercoagulability

C. Alteration in blood flow

D. Endothelial damage

9780. Increased levels of haemoglobin A2 is characteristic of________________?
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A. Glucose-6 phosphate dehydrogenase deficiency

B. Sickle cell trait

C. b-thalassaemia crait

D. a-Thalassamia

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