Pharmacology All of the following statements are TRUE about second generation antihistaminic agents EXCEPT : A These do not impair psychomotor performance B These possess high anti–motion sickness activity C These lack anticholinergic actions D These may possess additional antiallergic mechanisms 💡 Explanation All of the following statements are TRUE about second generation antihistaminic agents EXCEPT : ✓ Correct Answer: B. These possess high anti–motion sickness activity