Physiology part A

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

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