Science Quiz / More pathology part A

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Which gene encodes HIV's reverse transcriptase?
Which cells are vulnerable to HIV infection?use proper labelling
Phospholipid responsible for LPS toxicity
Tetanus transmission
Which method is used to stain acid fast bacteria, what colour are they?
Polymer of glycerol/inositol phosphate found in gram positive cell walls
Polymer of n-acetylmuramic acid & n-acetylglucosamine linked by short pepties
Transmission of rabies:
Which receptor forms part of the TCR essential for antigen recognition?
Evasion of host defence: Using protein A to bind the Fc portion of IgG, no c3b produced
Cystitis caused by E. coli- transmission:
Gram-, grows on MacConkey's, fements lactose, ferments indole?
Cancer caused by asbestos exposure:
Gram positive obligate anaerobe that can form spores and produce neurotoxin leading to spastic paralysis
Baltimore classification: Hep BNumeral then name of group
Which immunoglobulin is commonly found as a pentamer?Shorthand
IgA in the bronchi provides strain specific immunity against:
Outer membrane protein regulating access of small molecules to bacteria
Cause of candidiasis?
Evasion of host defence: Survives in macrophages by preventing phagosome fusion with lysosome
Gram-, doesn't ferment lactose, H2S, no animal reservoir, may establish chronic carrier state:
Most likely sites of metastasis for prostate tumour:x1
A tumour that affects retinal cells in children, bilateral, can have genetic component
Staphylococcal gastro-enteritis- transmission
Group B blood type has an extra molecule of which sugar?
Cancer terminology: De-differentiation
Which complement component polymerises to make pores in cell membranes?
Lipid found in high concentrations in the wall of acid fast bacteria
The B cell co-receptor comprises:x3, no -
Which enzyme degrades fibrin in the clotting cascade?
What do the influenza drugs amantadine and rimantadine block?
Most likely sites of metastasis for breast tumour:x4
Whip like protein essential for locomotion.
First class of antibody to be secreted:
Protein filament facilitating attachment during bacterial cell conjugationsingular
MHC-II is found in which 4 cells?, suffix cells
Which dye stains amyloid?
Group A blood type has an extra molecule of which sugar?use -
Which blood type can a group O individual receive?
Macrolide antibiotic that binds the 50s ribosomal subunit?
Gram positive obligate anaerobe that forms spores?
Gram negative rod, grows on MacConkeys agar, doesn't ferment lactose, is a major cause of dysentry and has no animal reservoir
Cancer terminology: Reduced adhesion of other cells in tumour, collagenase secretion, breaking through basement membrane
A thick polysaccharide layer inhibiting phagocytosis
Aminoglycoside that prevents tRNA binding to the 30s ribosomal subunit, may be pumped out of cell, inactivated or the host may protect ribosomes
2 most likely sites of colon cancer metastasis,
Which virus apart from HIV uses reverse transcriptase?
Gram positive rod producing a neurotoxin that blocks the release of inhibitory mediators at spinal synapses
Environmental cause of malignant melanoma?shorthand
Virus linked to Burkitt's lymphoma
Most likely sites of metastasis for gastric tumour:x3
Site at which most CD4 T cells enter lymph node
Most likely sites of metastasis for colorectal tumour:x2
Outcome of a kidney transplant to an individual with anti-blood group antibodies
Most likely sites of metastasis for pancreatic tumour:x2
Cancer terminology: Requires EMT, breaks away and becomes systemic
Group of antibiotics that binds to the D-Ala-D-Ala site and inhibits peptidoglycan crosslinking, but is not degraded by beta lactamase?
Which cell population produces IL-4
Gram-ve diplococcus found on oropharyngeal membranes grows with adjacent sides flattened?
Virus that only shows symptoms in 10-15%, nonspecific flu like plus some jaundice and hepatomegaly
Baltimore classification: EBVNumeral then name of group
Evasion of host defence: M protein binds to Fc region of IgG/IgA to prevent complement activation. Hyaluronic capsule that is anti-phagocytic
Cancer terminology:Can grow in suspension, independent of serum, becoming immortal
Aids is defined as a CD4 count below ?ul/L
What is a common consequence of DVT?
Cytokine that activates endothelium, lymphocytes, local effector cells, and causes fever when systemic.shorthand
Evasion of host defence: Bacteria that can degrade penicillin, antiphagocytic pili
Gram negative diplococcus found in the nasopharnyx of approx. 10% of the population
Gram-, grows on MacConkey's, fements lactose, can't ferment indole?From soil, nitrogen fermenter
Toll like receptor 4 recognises:
HIV protein mediating fusion with T cells
Agammaglobulinaemia is a deficiency of what enzyme and which product?
What type are pre-existing blood group antibodies?
Measles vaccine:
Malignant tumour of melanocytes
CD21 is a marker for:
X linked condition characterised by lack of mature b cells
Cancer terminology: Varied cell shape, size, staining and nuclei
4 proteins that protect against complement:
2 categories of antibiotic that bind the 30s ribosome:
Baltimore classification: PoliovirusNumeral then name of group
Baltimore classification: Influenza
Which cytokines signal viral infection of a cell?
Most likely sites of metastasis for non small cell lung tumour:x4
2 main components of a venous thrombosis:
Which deletion on 22q.11.2 causes no antibody or cell mediated response, no graft rejection, hypersensitivity
Which antibody class makes up the majority of immunoglobulin in plasma?
Enzymes that determine blood groupPlural, no spaces
Which is the most likely site for prostate cancer metastasis?
Gram positive coccus growing in long chains, producing beta haemolysis, often the cause of pharyngitis
Disease caused by virus that enters the cell, shuts down host protein synthesis, positive single stranded rna genome
Baltimore classification: HIVNumeral then name of group
Apart from Tb, which other disease leads to coughing up blood?simple name
In which 2 human cells does Plasmodium replicate?proper names
Evasion of host defence: Bacteria that hides in neurons that have low levels of MHC expression
Which virus is linked to hepatocellular carcinoma
Lobar pneumonia caused by S. pneumoniae- transmisison:
3 contributions to bladder cancer risk:

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Created Apr 30, 2012ReportNominate

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