Pharmacology and the Nursing Process by Linda Lane Lilley: Practice Exam

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Ace your pharmacology exams with "Pharmacology and the Nursing Process" Packed with challenging quizzes based on the renowned textbook Pharmacology and the Nursing Process by Linda Lane Lilley (ISBN: 978-0323827973), it's the perfect tool to test your knowledge and prepare for success.

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Which substance does aspirin prevent the formation of, acting as an antiplatelet drug?

  1. Collagen

  2. TXA2

  3. ADP

  4. Serotonin

The correct answer is: TXA2

Aspirin's role as an antiplatelet drug is specifically due to its ability to prevent the formation of thromboxane A2 (TXA2), an important substance that is involved in blood clotting. This helps reduce the risk of blood clots forming and blocking blood flow, preventing serious and potentially fatal conditions such as heart attacks and strokes. The other options, collagen, ADP, and serotonin, are all substances involved in blood clotting to some extent, but they do not play the same key role as TXA2.