Physiology part A

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

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Created Apr 5, 2012ReportNominate