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PN2005 RESPIRATORY DRUGS OVERVIEW EXAM 2025 QUESTIONS AND ANSWERS Antitussives - ....ANSWER ...-Drugs that suppress the cough reflex by acting on the medullary cough center or respiratory passages Decongestants - ....ANSWER ...-Medications that reduce nasal congestion by causing vasoconstriction and decreasing blood flow Antihistamines - ....ANSWER ...-Medications that block histamine receptors, reducing allergy symptoms like sneezing and itching Expectorants - ....ANSWER ...-Substances that promote the expulsion of mucus from the respiratory tract Mucolytics - ....ANSWER ...-Drugs that break down mucus for easier clearance from the airways Bronchodilators - ....ANSWER ...-Medications that relax the muscles around the airways, improving breathing in conditions like asthma Lung Surfactants - ....ANSWER ...-Substances that reduce surface tension in the alveoli, aiding in lung expansion and gas exchange …FOR DTUDY PURPOSES ONLY…©️2025 ALL RIGHTS RESERVED… 1