What instruction would the nurse give a client about a newly prescribed salmeterol inhaler?
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1. "Use the inhaler immediately if wheezing and shortness of breath occur during exercise."
2. "Use the inhaler when you experience a stuffy nose due to seasonal allergies."
3. "Carry the inhaler with you at all times and take 2 puffs anytime you experience an exacerbation."
4. "This inhaler should be used routinely as prescribed even when free of symptoms."