Question: Point out the correct option: 
 Options:  <1> Long-acting bronchodilators should be used on demand. <2> Rapid-acting bronchodilators should be administered every 3-5 hours. <3> Bradycardia is an adverse effect that frequently appears after the administration of bronchodilators. <4> Glucocorticoids are used as a preventive treatment for seizures in asthmatic patients. <5> The answers 1 and 4 are correct.
4