Physiology part A

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2 physiological adaptations to altitude
Treat hyperkalaemia with 2 things
Ascending 4000m over 24 hours would lead to a PaCO2 of (mmHg)
Iron efflux from macrophages and enterocytes is via
HPA stimulation causes decreased proliferation of ___ but increased numbers of
Minimum daily urine production (litres)
Supine to standing causes CO to
Do beta adrenoreceptor antagonists affect transmission at the ganglion?
Hormone that affects renal hydroxylation of vitamin D3
Hypothalamus function: Ventromedial nucleus
Calcitonin is synthesised in the
Anaesthetic decreasing intracellular calcium accumulation in cardiac myocytes
Diuretic with anti-androgen effects
Signals from peripheral chemoreceptors are relayed toabbreviation
Anaesthetics ____ SVR
ACTH stimulates release of which 2 hormones?
Anaesthetics ____ Upper airway resistance
ECG after 130% K+ would show
A few days at altitude causes pulmonary ____
Time of day with highest temperaturetime range (with units)
Type of pH disturbance: Hyperventilation due to anxiety
Daily water production from metabolism of carbs & lipid (ml)
Cushing's syndrome heightens, cause:
Conn's syndrome
Stimulating HPA increases blood ____ conc, this is mediated by _____
pH 6.9
Eccrine glandular secretion is increased by topical
HPA stands for
Hypothalamus function: Lateral hypothalamus
Temperature in women rises by how much on which day of the cycle?range, day
Peripheral chemoreceptors sense (x3)abbreviations
Daily sweat loss (ml)
Exposing skin to moving air increases
Hormone regulation plasma iron
Type of pH disturbance: Vomiting
2 PTH targets,
1,25-dihydroxycholecalciferol is synthesised in
Normal K+ intake/output (mEq)
pH 7.45
Long term effects of aldosterone
Prostacyclins cause vsm to ___ via activation of?
Endothelin 1 is raised in
25-hydroxycholecalciferol is synthesised in the
Anaesthetics ____ VQ mismatch
Enzyme that NO activates on binding to SM receptor
pH 7.5
Submersion in water increases skin
Time of day with lowest temperaturetime range (with units)
Inflammatory cytokines decrease the
Amiloride directly blocks
Local inflammation leads to increased
Type of pH disturbance: Narcotic drugs
Where in the hypothalamus is ADH synthesised?
Duodenal iron transporter
Protein binding intracellular iron
Infusion of 1l normal saline over 20 mins causes CO to
Mean pressure in the vascular system if the circulation stops is defined as
Widespread poor perfusion of tissues leads to
Below core temp, outside thermoneutral zone (2 responses)
Hypothalamus function: Hormone acting on the arcuate nucleus
Precursor of NO
2 causes of hypokalaemia
Rate of heat loss is related to body mass to the power:fraction
Short duration local anaesthetics reduce postoperative
Protein binding iron in plasma
Left sided heart failure is commonly associated with
Type of pH disturbance: COPD
Infusion of a B1 antagonist causes CO to
pH 7.35
Type of pH disturbance: Insulin deficiency
Above core temp, above thermoneutral zone
3 stimuli that when increased increase local blood flow:full names
Below core temp, within thermoneutral zone
Above core temp, within thermoneutral zone
Nerve that carries afferent signals from the carotid sinus barorecptors
Local metabolites from active muscle cause primary
Which part of the adrenals secretes cortisol?
Hypothalamus function: Supraoptic/paraventricular nucleus
Main problem at altitude is lowabbreviation
ADH is released into the blood from the
Osmolarity of blood supplying the hypothalamus affects the release of
Type of pH disturbance: Renal failure
3 Calcitonin targets,
PlasmaK+ rises causes the secretion of which hormone
Plasma K+ conc is sensed by the
Septic shock is characterised by a fall in
Anaesthetics ____ myocardial contractility
Short term effects of aldosterone
Sudden increase in SVR causes CO to
Type of pH disturbance: Hyperaldosteronism
pH 7.3
Central chemoreceptors sense (x2)
Main stimulus for NO production
Hypothalamus function: Anterior nucleus
Type of pH disturbance: Acetozolamide
Mineralocorticooid receptor antagonist
Which part of the adrenals secretes aldosterone?
Anaesthetics ____ ventilatory drive
Type of pH disturbance: Exercise
Addison's syndrome is a reduction in

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Created Apr 5, 2012ReportNominate