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You are in Home >> Exams >> Primary FRCA >> Primary MCQ 1

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



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