Thursday, July 10, 2008

36 - random mcqs from various subjects 3

41q: brain is preserved in all of the following poisonings except

  1. OPC poisoning
  2. Alkaloid poisoning
  3. Heavy metal poisoning
  4. Volatile organic poisoning

Answer : c . heavy metal poisoning .

42q: cytosolic cytochrome C plays an important role in ?

  1. apoptosis
  2. cell necrosis
  3. electron transport chain
  4. cell division

answer : a . apoptosis .

43q: sexual asphyxia is associated with which one of the following

  1. masochism
  2. sadism
  3. fetishism
  4. voyeurism

answer : a . masochism .

44q: post transplant lymphoma occurs due to proliferation of which of the following cells ?

  1. T cell
  2. B cell
  3. NK cell
  4. Monocyte

Answer : b . B cell .

45q: NK cells attack which of the following cells ?

  1. MHC cells which express MHC 1
  2. Cells which are not able to express MHC 1
  3. MHC cells which express MHC 2
  4. Cells which are not able to express MHC 2

Answer : b .

46q: which is autosomal dominant ?

  1. gyrate atrophy
  2. best disease
  3. Lawrence moon biedl syndrome
  4. Bassen kornweig disease

Answer : b . best diagnostic test for best disease is EOG .

47q: treatment of choice for glue ear ?

Answer : myringotomy with ventilation tube insertion

48q: all the following are contraindicated in pregnancy except ?

  1. sodium nitroprusside
  2. labetalol
  3. spironolactone
  4. ACE inhibitors

Answer : b . labetalol can be given in pregnancy .

49q: the following drug is not useful in MRSA ( methicillin resistant staphylococcus aureus ) ?

  1. cefaclor
  2. cotrimoxazole
  3. ciprofloxacin
  4. vancomycin

answer : a . cefaclor .

50q: northern blot is used for the separation of ?

  1. m RNA
  2. DNA
  3. Protein
  4. Protein DNA interaction

Answer : a . m RNA .

51Q: CAP in lac operon is an example of ?

  1. positive regulator
  2. negative regulator
  3. constitutive expression
  4. attenuation

answer : a . CAP (catabolite activator protein).

52q: 6 year old child with recurrent URTI with mouth breathing and impaired hearing . treatment is ?

Answer : adenoidectomy with grommet insertion .

53q: most common cause of blindness in children in India is all except ?

  1. malnutrition
  2. opthalmia neonatorum
  3. glaucoma
  4. congenital dacryocystitis

answer: d .

54q: the nucleus involved in papez circuit is ?

  1. pulvinar
  2. intralaminar
  3. VPL nucleus
  4. Anterior nucleus

Answer : d . anterior nucleus .

55q: the processing of short term memory and long term memory is done in which part of brain ?

Answer: hippocampus .

56q: these mechanism of learning and memory includes all except ?

  1. increasing or decreasing neurotransmitter release
  2. increasing receptor synthesis
  3. recruitment by multiplication of neurons
  4. spatial organization of the associational areas

answer : c .

57q: not secreted in the kidney is ?

  1. rennin
  2. angiotensin 1
  3. erythropoietin
  4. 1,25 DHCC

Answer : b .

58q: if a stab wound lacerates the posterior humeral circumflex artery passing through the quadrangular space on the shoulder region , which of the following nerves might be injured ?

Answer : axillary nerve .

59q: which of the following ligaments is important in preventing forward displacement of the femur on the tibia when the weight bearing knee is flexed ?

Answer : posterior cruciate ligament prevents anterior displacement of femur on tibia .

60q: a 21 year old woman comes to the emergency department with chylothorax due to rupture of the thoracic duct. Lymphatic drainage remains normal in which of the following areas ?

  1. left thorax
  2. right thorax
  3. left abdomen
  4. right pelvis

answer : b . right thorax .

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