Physiology part A

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

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Created Apr 5, 2012ReportNominate