Past Paper Q's - 2018 Flashcards
Immunodeficienecy with common gamma chain problem?
X-linked SCID
Swollen joint, negative birefringence and needle shaped. What is the enzyme responsible?
Xanthine Oxidase. Rate limiting step is HGPRT
What does JC virus cause?
Progressive Multifocal Leukoencephalopathy
Virus reactivation post transplant
EBV
Most common cause of viral meningitis
Enteroviruses
Most common type of CNS tumours in children
Astrocytoma
5 year old, Tetany, widened epiphyses + cupping of metaphysis on X-Ray
Ricketxs
What is the minimum amount of time to treat a VTE?
3 months
Maximum number of HLA mismatches possible with parents on MHC 1?
3, because you have 2A’s, 2B’s, 2C’s, and you’ll get 3 from each parent
Ovarian tumour with hair. No immature cells seen.
Mature teratoma
What enzyme to confirm cardiac failure?
BNP
Liver enzyme raised in MI
Aspartate amintoransferase
Old man fallen, dark urine, no blood. What is causing the dark urine?
Myoglobin - Due to rhabdomyolsis
Lady with Multiple myeloma and restrictive cardiomyopathy. What will you see on heart biopsy?
Amyloid depositions
Man with macrocytic anaemia, atrophy of body of stomach. What substance are they deficient in that leads to B12 malabsorption?
Intrinsic factor
Someone with aphthous ulcers, conjunctivitis, diarrhoea & abdo pain
Crohns
Lady who went to ?Mexico and ate unpasteurized dairy. 4 weeks later unwell (no diarrhoea mentioned?) Which gram -ve rod caused this?
Brucellosis - Gram -ve rod
Non-Tuberculous mycobacterium , some cut on his hand in a man who cleaned a fish tank?
M. marinum
Painless penile ulcer which healed in few weeks, followed by fine snail track oral ulcer. Causative organism
Treponema Pallidum
Which type of cell does Rituximab target?
Mature B cell
What is the usual prophylaxis for allograft rejection ?
Mycophenolate mofetil, pred, tacrolimus
Which allergy is more likely to present in child than adult?
Egg
How does melanoma spread? Haematological or lymph nodes?
Haem
Anti-Tnf-A/Jakinibs and anti-IL/AntiTNFfA - What treats RA and What treats psoriasis?
Anti-tnf-A for RA
Anti IL for psoriasis
Which antibody gives innate immunity to HIV?
GP41 and GP120
What genetic defect gives immunity to HIV?
CCr5 receptor immunity