Science Quiz / Physiology part A

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

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