Wellington mock Flashcards
Rate limiting step glycolytic pathway
phosphofructokinase
Rate limiting step electron transport chain
cytochrome oxidase
Reversible ischaemic injury is characterised by
potassium efflux from cells due with failure of the sodium pump
Peak action salbutamol
15-30m
duration 4-6h
Half life 4h
Peak effect ipratropium
30-60m
duration 3-6
T1/2 1.5h
Clonidine withdrawal
tachycardia, restlessness, insomnia, headache, nausea, vomiting, palpitations, cardiac arrhythmia, and hypertensive encephalopathy
Cause of nutmeg liver
hepatic hypoperfusion
Genetic abnormality casing CF
deletions
Epicardial arteries
another name for coronary arteries
Successful immune response to HIV during the acute phase
development of CD8+ virus specific cytotoxic cells
Speed in AV node
0.05m/s
Cause of visceral pain
distention
Smallest A nerve fibre
delta
Hep B immunisation schedule
0, 1, 6m
Angiotensin II AT1 effect on
arterioles
2nd generation cephalosporin coverage
very active against gram positive cocci with added gram negative and klebsiella coverage
Hydrogen ion secretion in the distal tubules and collecting ducts is controlled by
Aldosterone control of ATP driven H+ pump
Apical membrane
faces lumen
Mechanism of spironalactone
on mineralocorticoid receptor (not directly on ENaC)
ENaC blocker
Amiloride
Gestation ectopic pregnancy rupture
6 weeks
Urine threshold for gucose
Threshold for urine 200
TMg 300 women 375 men (transport max)
Glucose maximally absorbed GI
jejenum
Weak acid definition
A neutral molecule that can reversibly dissociate an anion with a proton
Weak base definition
one which doesn’t convert fully into hydroxide ions in solution (doesn’t fully dissociate)
Synaptic vesicle sizes
Small clear synaptic vesicles - Neurotransmitters e.g. acetylcholine
Small dense core - catecholamines
Large dense-core vesicles - neuropeptides
Graves ABs
anti-TSH receptor antibodies
Thyroid peroxidase antibodies
hashimotos
Thyroglobulin antibodies
associated cancer +- hashimotos
Mechanism TCAs
block amine reuptake pumps at presynaptic nerve endings
Hb dissociation curve in excercise
shifts to the right in tissues and left in lungs