low doses of aspirin are sometimes prescribed to reduce therisk of thrombus form

Question

low doses of aspirin are sometimes prescribed to reduce therisk of thrombus formation because aspirin prevents the formationof: A) thromboxane A2 B) fibrinogen C) prostacyclin D) thromboplastin E)prothrombinase                                                                       A low doses of aspirin are sometimes prescribed to reduce therisk of thrombus formation because aspirin prevents the formationof: A) thromboxane A2 B) fibrinogen C) prostacyclin D) thromboplastin E)prothrombinase                                                                       A

Explanation / Answer

The correct answer is A. Aspirin works byinhibiting the synthesis of thromboxane A2. Thromboxane A2 isproduced when platelets are sent to repair a damaged blood vessel.When thromboxane is produced more platelets are activated and thispromotes platelet aggregation (clumping). By inhibiting theproduction of other enzymes and prostaglandins elements such asfibrin (the string-like mesh of clot) are unable to bind to thereceptors of the platelets and this prevents clot formation.

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