Physiology part A

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

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Created Apr 5, 2012ReportNominate
Tags:physiology