Physiology part A

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

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Created Apr 5, 2012ReportNominate
Tags:physiology