下列何種藥物可使鼻黏膜上小動脈收縮,作為鼻充血腫脹解除劑,用於治療鼻炎?
\mathrm{H}_{2} antihistamines
\mathrm{H}_{2}
\mathrm{\alpha}_{1} adrenergic agonists
\mathrm{\alpha}_{1}
theophylline
cromolyn