What would the nurse teach the patient about potency of nitroglycerin? (Select all that apply.)
A) "The tablet should fizzle or burn when placed under the tongue."
B) "Protect the drug from heat and light."
C) "Always replace when past the expiration date."
D) "Older tablets may require you to use two tablets at one time."
E) "Nitroglycerin does not lose its potency easily."
A, B, C
Feedback:
Ask the patient if the tablet "fizzles" or burns, which indicates potency. Always check the expiration date on the bottle and protect the medication from heat and light because these drugs are volatile and lose potency easily.
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