medical MCQs – Page 85

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 Review each marked answer and report any item that may be outdated or unclear.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

1681. Bone marrow stem cells differ from differ from differentiated progenitor stem cells in what respect ?
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A. Provide differentiated terminal cells

B. Act as a repair system for the body

C. Formation of the ovum

D. Reconstitution of Bone marrow

1682. various insulin preparations useful in the treatment of diabetes mellitus differ primarily in______________?
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A. None of the above

B. Focus of action

C. Onset and duration of action

D. Mode of biotransformation

1683. Epstein Barr virus is associated with ___________________?
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A. Nasopharyngeal carcinoma

B. Burkitts lymphoma

C. Infectious mononucleosis

D. All of the above

1684. Kviems test is diagnostic test for_________________?
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A. Actinomycosis

B. Diphtheria

C. Tuberculosis

D. Sarcoidosis

1685. Anaphylotoxins are___________?
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A. C3b, C5a

B. C2, C3

C. C3b, C5b

D. C3a, C5a

1686. Disappearance of nuclear chromatin is called as__________?
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A. Karyolysis

B. Karyorhexis

C. None

D. Pyknosis

1687. Synthesis of DNA occurs in Which phase of cellAcycle________________?
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A. Gap G2 phase

B. Synthesis S phase

C. Mitosis M phase

D. Gap G1 phase

1688. Enzymes responsible for suppuration are derived chiefly from_____________?
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A. Monocytes

B. PMNs

C. Lymphocytes

D. Eosinophils

1689. 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)

1690. The following chemical mediator is a product of arachidonic acid metabolite by cyclo oxygenase pathway____________?
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A. LxA4

B. PGH2

C. 5-HETE

D. LxB4

1691. Saddle embolus causes sudden death by blocking___________?
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A. Coronary arteries

B. Cerebral arteries

C. Pulmonary arteries

D. Renal arteries

1692. Syndrome which is characterized by 2X chromosomes and 1Y chromosome is_____________?
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A. Turner syndrome

B. Marfan syndrome

C. Down syndrome

D. Kleinfelters syndrome

1693. Example of ganulomatous inflammation_____________?
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A. Tuberculosis

B. Sarcoidosis

C. All of the above

D. Leprosy

1694. IL-1 helps in_____________?
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A. Inhibits of B-lymphocytes

B. Inhibits the chemotaxis of neutrophils and macrophages

C. Stimulation of T-lymphocytes

D. Decreases firbroblast and bone resorption activity

1695. Endotoxic shock is propagated____________?
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A. Endothelial injury

B. Cytokine action

C. Increased vascular permeability

D. Peripheral vasodilation

1696. One of the following is not a malignant feature____________?
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A. Pleomorphism

B. Abnormal mitosis

C. Anaplasia

D. Aplasia

1697. The process of formation of solid mass in circulation from the constituents of normal flowing blood is called_____________?
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A. Thrombosis

B. Embolism

C. Clot formation

D. Infarction

1698. Which of the following symptomatic atheroscierotic disease is correct_____________?
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A. Aorta Aneurysm, thromboembolism

B. Lower extremities claudication gangrene

C. All of the above

D. Heart MI, Ischemic heart disease

1699. All of the following statements are true regarding cervicofacial actinomycosis, EXCEPT_____________?
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A. 110-20% of actinomycosis cases occur in cervicofacial region

B. There is usually history of trauma such as tooth extraction or a blow to the jaw

C. Cultures on blood agar often produce a typical molar tooth morphology

D. The discharging pus contains visible sulphur granules

1700. All of the following events are common to primary and secondary wound healing except_____________?
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A. Formation of blood clot

B. Inflammatory response

C. Wound contraction

D. Epithelial changes

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