A 23-year-old woman is using a terbutaline inhaler for frequent acute episodes of asthma and describes symptoms that she ascribes to the terbutaline. Which of the following is not a recognized action of terbutaline?
|B||Positive inotropic effect|
|C||Skeletal muscle tremor|
|D||Smooth muscle relaxation|
Terbutaline is a "'selective" [β-receptor agonist, but in moderate to high doses it induces β1 cardiac effects as well as β2-mediated smooth and skeletal muscle effects. It does not have diuretic action.