Physiology part A

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

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Created Apr 5, 2012ReportNominate