Physiology part A

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

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Created Apr 5, 2012ReportNominate