Practice Pharmacy Technician Part I Paper 1 questions with answers and explanations.
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Urea cycle is a hepatic pathway that converts toxic ammonia into urea for excretion.
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Beta oxidation is mitochondrial degradation of fatty acids to acetyl-CoA units.
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Glycogen phosphorylase is an enzyme that releases glucose-1-phosphate from glycogen during glycogenolysis.
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HMG-CoA reductase is the rate-limiting enzyme in endogenous cholesterol synthesis.
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DNA polymerase is an enzyme that synthesises DNA using a template strand and requires a primer.
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Surfactant is a phospholipid-rich substance that lowers alveolar surface tension and helps prevent collapse.
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Bohr effect is reduced haemoglobin affinity for oxygen in tissues with increased carbon dioxide or acidity.
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Insulin is a pancreatic beta-cell hormone that promotes glucose uptake and storage and lowers blood glucose.
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Aldosterone is a mineralocorticoid that increases renal sodium reabsorption and potassium secretion.
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Countercurrent multiplier is a loop-of-Henle mechanism that establishes the medullary osmotic gradient for urine concentration.
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Frank-Starling mechanism is an increase in ventricular filling produces a stronger contraction within physiological limits.
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Glomerular filtration rate is the volume of plasma filtered by all functioning glomeruli per unit time.
