Clinical sciences Flashcards

1
Q

Anti phospholipid syndroe

A

livedo reticualris
antibodies: lupus anticoagulant, anti beta2 glycoprotein 1, anti cardiolipin

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2
Q

Opsonisation

A

deposition of C3b on target (i.e. bacterium) ; can then be recognised by cell with complement receptor

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3
Q

inheritance haemochromatosis

A

autosomal recessive
Chromosome 6, HFE gene

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4
Q

von Willebrand disease

A

autosomal dominant
intranasal desmopressin prior to dental procedures –> release factor VIII and von willebrand factor
Chromosome 12

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5
Q

autosomal dominant polycystic kidney disease

A

hypertension
non visible haematuria
cerebral haemorrhage

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6
Q

treatment of iron overload

A

IV desferrioxamine
8mg of iron is bound by 100mg of desferrioxamine

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7
Q

prostaglandins

A

bind g protein coupled receptors

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8
Q

Primary biliary cholangitis

A

anti mitochondrial antibodies
progressive destruction of bile ducts leading to cholestasis
risk for hepatocellular carcinoma

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9
Q

Empaglisflozin

A

SGLT 2 inhibitor

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10
Q

Myotonic dystrophy

A

autosomal dominant
CTG repeat expansion on DMPK gene
19q13.3
normal <35 repeats, MD pts have >50

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11
Q

brain anatomy

A
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12
Q

Hypercalcaemia in Sarcoidosis

A

elevated Vitamin D production by activated alveolar macrophages

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13
Q

Familial hypercholesterolaemia

A

mutation in LDL receptor
high dose statin +/- evelocumab or ezetimibe (lipid lowering drugs)

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14
Q

DiGeorge syndrome

A

T cell deficiency
22q11. 2 deletion
congenital heart problems, specific facial features, frequent infections, developmental delay, intellectual disability and cleft palate.[7] Associated conditions include kidney problems, schizophrenia, hearing loss and autoimmune disorders such as rheumatoid arthritis or Graves’ disease.[7][8]

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15
Q

anion gap

A

Anion Gap = Na+ – (Cl- + HCO3-)

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16
Q

Kennedy disease

A

X linked bulbospinal neuronopathy
trinucleotide repeat disorder

17
Q

Endothelin

A

afferent arteriole vasoconstriction

18
Q

heinz bodies

A

inclusions within red blood cells composed of denatured hemoglobin
G6PD deficiency

19
Q

Gastric cancer

A

signet cells
japanese ethnology
h pylori
adenoca. arises from glandular epithelium
virchovs node

20
Q

acute intermittent porphyria

A

give IV haem arginate
3-4 mg/hkg/day 4 days

deficiency in porphobilinogen deaminase
autosomal dominant
chromosome 11

21
Q

EEG waves

A

alpha 8-13 Hz
beta >14Hz
delta <4Hz
Theta 4-7Hz

22
Q

allopurinol

A

targets xanthine oxidase drives reduction of uric acid

23
Q

Which receptor does cholera endotoxin B subunit bind

A

GM1

24
Q
A