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Past tests > EMCQ practice 3 > Flashcards

EMCQ practice 3 Flashcards

1
Q

Drugs for treatment pulmonary hypertension

A

CCBs
Prostacyclin
Endothelin receptor antagonists

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2
Q

MRSA mechanism beta lactam resistance

A

Penicillin binding proteins with low affinity for beta lactam abx

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3
Q

Circadian rhythm bronchial tone

A

Constriction 6am
Dilation 6pm

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4
Q

Caffeine/ theophylline induced diuresis

A

Decreases sodium reabsorption and inc gfr

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5
Q

Ampicillin characteristics

A

Improved activity against gram -ve
Susceptible to beta lactamases

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6
Q

Alveolar ventilation equation

A

(Tidal volume-anatomic dead space)* resp frequency

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7
Q

Minute ventilation

A

TVxRR
does not account for dead space

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8
Q

VWF function

A

Adhesion and aggregation
Main is adhesion

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9
Q

P2Y12 receptor

A

Activated by ADP
Causes plt activation and adhesion

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10
Q

Visual from posterior pole occipital lobe

A

Macula

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11
Q

LGN lesion

A

Contralateral homonymous sectoranopia

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12
Q

SG transudate

A

<1.012

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13
Q

Selectins and integrins

A

Selectins neutrophil rolling
Integrin adhesions between neutrophils and endothelial cells

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14
Q

Causes shoulder dislocation

A

Hyperextension and lateral rotation

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15
Q

Dabigatran mechanism

A

Direct thrombin inhibitor

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16
Q

Mechanism dipyridamole

A

Inhibits adenosine uptake and cGMP phosphodiesterase activity
Vasodilator with some antiplatelet action

17
Q

Strongest lateral ankle ligament

A

Posterior talofibular ligament

18
Q

Cause chronic gastritis without h pylori

A

Autoimmune atrophic gastritis
Less than 10% chronic

19
Q

Most common site peptic ulcer

A

1st part duodenum

20
Q

Nerve at distal end humerus

A

Median

21
Q

C fibre (pain) size

A

0.4-1.2

22
Q

Quickest food gets to sigmoid

A

12 hours

23
Q

Essential components thyroid hormone synth

A

Iodine
Ferritin
TSH

24
Q

Mortality legionella immunosuppressed

A

50%

25
Q

Location cholangiocarcinoma liver

A

Perihilar

26
Q

Size arteries in PE causing haemorrhage

A

Medium

27
Q

Bronchiectasis due to destruction of

A

Muscle and elastic tissue

28
Q

Paracetamol pk

A

F0.88
Not protein bound
Urine 3%

29
Q

Acid fast stain

A

TB

30
Q

PAO2
PaO2
SaO2

A

PAO2 lungs
PaO2 disolved arterial blood
SaO2 on Hb

31
Q

ADP function

A

Plt shape change and aggregation

32
Q

Haemochromatosis

A

Diabetes
Cirrhosis
Skin pigmentation
Cardiomyopathy
Arthritis q

Past tests (9 decks)

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