Final answer:
To administer 1.5 mg of benztropine using 0.5-mg scored tablets, the nurse should administer 3 tablets.
Step-by-step explanation:
To calculate the number of tablets needed to administer 1.5 mg of benztropine, we divide the prescribed dose by the dosage strength of the tablets. In this case, the nurse should administer 3 tablets because 1.5 mg ÷ 0.5 mg = 3.