AIPGE 2005 Dental 4

31. Mouth guards to prevent accidents to teeth are most practical for -

1. All children.
2. All persons engaged in contact sports.
3. Automobile passengers.
4. Persons on organized athletic team.

32. The arch length preservation can be best carried out by -

1. Placing a lingual arch.
2. Restoring carious teeth.
3. Placing band and loop space maintainer.
4. Placing an acrylic removable space maintainer.

33. The most common pathogens responsible for nosocomial pneumonias in the ICU are -

1. Gram positive organisms.
2. Gram negative organisms.
3. Mycoplasma.
4. Virus infections.

34. Which one of the following drugs has been shown to offer protection from gastric aspiration syndrome in a patient with symptoms of
reflux?

1. Ondansetron.
2. Metoclopramide.
3. Sodium citrate.
4. Atropine.

35. The following statements concerning chorade tympani nerve true except that it -

1. Carries secretomotor fibres to slubmandibular gland.
2. Joins lingual nerve infratemporal fossa.
3. Is a branch of facial nerve.
4. Contains postganglionic parasympathetic fibers.

36. A woman with infertility receives an ovary transplant from her sister who is an identical Twin. What type of graft it is ?

1. Xenograft.
2. Autograft.
3. Allograft.
4. Isograft.

37. All of the following physiological processes occur during the growth at the epiphyseal plate, except -

1. Proliferation and hypertrophy.
2. Calcification and ossification.
3. Vasculogenesia and erosion.
4. Replacement of red bone marrow with yellow marrow.

38. Virus mediated transfer of host DNA from one cell to another is known as -

1. Transduction.
2. Transformation.
3. Transcription.
4. Integration.

39. Barr body is found in the following phase of the cell cycle -

1. Interphase.
2. Metaphase.
3. Gl phase.
4. Telophase.

40. Cellular and flagellar movement is carried out by all of the following, except -

1. Intermediate filaments.
2. Actin.
3. Tublin.
4. Myosin.