A client with chest pain is diagnosed with angina pectoris. On discharge the client receives a prescription for sublingual nitroglycerin tablets PRN. Which instruction should the practical nurse (PN) reinforce with this client?A) Take up to five doses at 15 minute intervals for an anginal attack.B) Chew the tablet for maximal effect because does not dissolve quickly.C) Seek immediate hospitalization after the first dose is taken for chest pain.D) Change positions slowly after taking a dose to reduce the chance of falling.

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