Physiology part A

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

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Created Apr 5, 2012ReportNominate