Bhatia’s Dentogist | MCQs in Oral Surgery: AIDS

Bhatia’s Dentogist | MCQs in Oral Surgery
AIDS

Part 8: Oral and Maxillofacial Surgery

Bhatia’s Dentogist: MCQs in Dentistry
Part 8 : Oral and Maxillofacial Surgery (AIDS)

1. Viral infections which can be seen in oral cavity of patients with HIV is/are:
   A. Hairy leukoplakia
   B. Herpetic stomatitis
   C. Papilloma warts
   D. All of the above
2. The dental infection/s commonly seen in AIDS patient:
   A. Necrotising ulcerative gingivitis
   B. Rapidly progressive periodontitis
   C. Horizontal bone loss
   D. All of the above
3. The major criterion of WHO guideline for diagnosing AIDS consists of (except):
   A. Weight loss more than 10%
   B. Chronic diarrhoea for more than one month
   C. Prolonged fever for more than one month
   D. Generalised lymphadenopathy
4. HIV virus is a:
   A. DNA virus
   B. Retrovirus
   C. DNA, RNA virus
   D. None of the above
5. The main target cells of HIV are:
   A. Plasma cells
   B. T8 cells
   C. T4 cells
   D. B cells
6. Body fluid in which HIV is highly concentrated:
   A. Semen, cervical fluids
   B. Blood
   C. Saliva
   D. Tears
7. The cells from which HIV can be isolated:
   A. Langerhans’ cells
   B. Alveolar macrophages
   C. Dendritic follicles
   D. All of the above
8. Body fluids can be responsible for transmission of AIDS (except):
   A. Blood
   B. CSF
   C. Cervical secretions
   D. Saliva
9. The most common pathogen isolated from pulmonary system of HIV patient is:
   A. Mycobacterium tuberculosis
   B. Mycobacterium avium intracellulare
   C. Pneumocystic carinii
   D. None of the above
10. The facial development seen in HIV positive children is characterised by:
    A. Normal facial profile
    B. Macrocephaly
    C. Ocular hypotelorism
    D. Blue sclera
11. Diagnosis of paediatric AIDS can be done by:
    A. ELISA test
    B. Western blot test
    C. Virus culture
    D. None of the above
12. The first antibody to HIV antigen appears in blood after:
    A. 1-2 weeks of infection
    B. 2-4 weeks of infection
    C. 4-6 weeks of infection
    D. 4-6 months of infection
13. Detection of HIV antigen is:
    A. Positive after 4-6 weeks till clinical disease sets in
    B. Positive after 2-4 weeks of infection and then becomes negative till the clinical disease sets in
    C. Only positive when clinical disease sets in
    D. Positive only after 10 days of infection
14. ELISA test demonstrates:
    A. HIV antigen
    B. HIV antibodies
    C. HIV
    D. None of the above
15. The confirmatory test used for HIV infection is:
    A. ELISA
    B. Immunodot test
    C. RIPA test
    D. Western blot test
16. The immunodeficiency characteristic of HIV infection is due to:
    A. Diminished humoral immunity
    B. Diminished cellular immunity
    C. Both A and B
    D. None of the above
17. When T-cell subset assay is done in HIV positive patients there is:
    A. Increased ratio of T-helper/T-suppressor cells
    B. Decreased ratio of T-helper/T-suppressor cells
    C. Decreased ratio of T4/T8
    D. Decreased production of T8
18. HIV can be inactivated by (except):
    A. Autoclaving
    B. 2% glutaraldehyde
    C. Boiling for 20 minutes
    D. Gamma radiation
19. Besides autoclaving, simple method of inactivating HIV is (except):
    A. Boiling for 20 minutes
    B. Dry heating at 100°C
    C. 1% sodium hypochlorite
    D. 6% hydrogen peroxide
20. Following chemicals are used for inactivating HIV (except):
    A. 2% glutaraldehyde
    B. 50% ethanol
    C. 1% sodium hypochlorite
    D. 2.5% cetrimide
21. WHO guidelines for suspected HIV patients suggest that they should:
    A. Be excluded from main stream
    B. Remain integrated within the society
    C. Be excluded to isolation
    D. None of the above
22. World’s AIDS day is observed on:
    A. 22nd November
    B. 26th February
    C. 1st December
    D. 29th November
23. HIV crosses:
    A. Blood brain barrier
    B. Placenta and vitreous humor
    C. A and B
    D. Placenta only
24. The first AIDS patient reported in India was in:
    A. 1972
    B. 1987
    C. 1986
    D. 1991
25. The recommended method for sterilising impressions for maxillofacial prosthesis is:
    A. Impression in silicone and autoclaving
    B. Impression in alginate and soaking in 2% glutaraldehyde for 10 minutes
    C. Impression in silicone and soaking in 2% glutaraldehyde for 20 minutes
    D. Impression in silicone and soaking in 2% glutaraldehyde for three hours
26. The aspirator used for suction/aspiration should be disinfected after using for HIV patient by:
    A. Flushing with 2% glutaraldehyde and washing with freshwater after 10 minutes
    B. Flushing with 2% glutaraldehyde and leaving overnight
    C. Flushing with savlon and washing with water after 2 hours
    D. None of the above
27. The working surfaces in operation theatre should be disinfected especially for HIV, by using:
    A. Savlon
    B. Gamma radiation
    C. Hypochlorite solution
    D. UV light
28. Impressions for maxillofacial trauma cases should be disinfected by:
    A. Thorough rinsing with water
    B. Immersing in 2% glutaraldehyde for 3 hours after rinsing in water
    C. Immersing in 2% glutaraldehyde for 24 hours
    D. Immersing in 2% glutaraldehyd