51q: a 4 year old boy present with recurrent chest infections. Sweat chloride test was done and showed the values of 36 and 42 . what is the next best investigation to confirm the diagnosis ?
- 72 hour fecal estimation
- CT chest
- Transepithelial nasal potential difference
- DNA analysis of delta f 508 mutation
Answer: c . transepithelial nasal potential difference .
52q: non invasive diarrhea is associated with all except ?
- yersinia enterocolitica
- bacillus cereus
answer: d . bacillus cereus .
53q: maltese cross flouresence may be seen in ?
Answer: a . Cryptococcus .
54q. the triad of tuberous sclerosis has all except ?
- facial angiomatosis
- mental retardation
answer: d . rhabdomyosarcoma .
55q: all are analytical studies except ?
- field trials
- case control
answer: a. field trials .
56q: a 29 year old was taking oral hypoglycemic drugs and he never had ketonuria in his life . his grandfather had diabetes and his father who is the only of his grandfather did not have the disease. The type of diabetis mellitus this person can never have is ?
- type one diabetes mellitus
- type two diabetes mellitus
- Pancreatic diabetes mellitus
Answer: a . type one diabetes mellitus .
57q: a 24 year old male presenting with abdominal pain, rashes, palpable purpura, arthritis . what is the most probable diagnosis ?
- sweet syndrome
Answer: c . HSP .
58q: all are used in the treatment of osteosarcoma except ?
- high dose methotrexate
answer: d . etoposide .
59q: CAP in lac operon is an example of ?
- positive regulator
- negative regulator
- constitutive expression
answer: a . positive regulator .
60q: which of the following is seen in extrinsic pathway ?
- factor 12
- factor 11
- factor 2
- factor 7
answer: d . factor 7 .