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Physiology MCQ Bank 1

Created: 1/11/2005

 




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

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2.TTFFF
3.TFTTF
4.FFTTT
5.TTTFF


ArticleDate:20051101
SiteSection: Article
 
   
    
                                            
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