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Question: In the context of flexible electronics, which material property is most critical for ensuring durability under repeated mechanical stress?
A: Piezoelectricity
B: High electrical conductivity
C: Elastic modulus
D: Thermal stability
Correct Answer: C Elastic modulus
Question: What is the primary mechanism of action of proton pump inhibitors (PPIs)?
A: Inhibit acetylcholine receptors
B: Neutralize stomach acid
C: Block histamine H2 receptors