In a dose-response assessment of a patient's response to a metered dose inhaler bronchodilator, when would you stop increasing the dose?
1. When the peak expiratory flow rate improves less than 10% to 15%
2. When tachycardia occurs
3. When tremors are evident
4. When 6 to 8 puffs are delivered
a. 1, 2, and 3 only
b. 1, 3, and 4 only
c. 2, 3, and 4 only
d. 1, 2, 3, and 4
ANS: A
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