
1. In calculating the shunt fraction, the following need to be measured or estimated: a) mixed venous oxygen content b) pulmonary end-capillary oxygen content c) arterial oxygen content d) alveolar partial pressure of oxygen e) haemoglobin concentration 2. Pulse pressure increases with an increase in: a) stroke volume b) left ventricular end-diastolic volume c) arterial partial pressure of oxygen d) systemic vascular resistance e) blood viscosity 3. Acute untreated haemorrhagic shock in a patient will lead to: a) an increase in physiological dead-space b) an increase in the arterio-venous PCO2 difference c) a fall in the pulmonary vascular volume d) an increase in antidiuretic hormone secretion e) an increase in plasma bicarbonate concentration 4. An increase in aldosterone secretion follows: a) a sodium chloride load b) a rise in blood volume c) an increase in oral potassium absorption d) trauma c) an increase in production of angiotensin II 5. Stimulation of alpha-adrenergic receptors will cause: a) vasoconstriction of the coronary arteries b) increased tone in the bladder neck muscle c) increased platelet aggregation d) lipolysis e) bronchodilation
ANSWERS
1.TTTTT 2.TTFFF 3.TFTTF 4.FFTTT 5.TTTFF
ArticleDate:20051101
SiteSection: Article
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