Physiology part A

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

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Created Apr 5, 2012ReportNominate
Tags:physiology