Final answer:
None of the options provided are acceptable administration times for decussate sodium scheduled for 0900, as they all relate to noon and are therefore too late.
Step-by-step explanation:
The question is asking for acceptable times to administer decussate sodium if the scheduled time is 0900. In medical practice, medication administration times are typically given a range of about 30 minutes before or after the prescribed time to account for various practical considerations. However, the options given as possible answers are all related to noon, which is substantially later than the prescribed 0900 administration time. Therefore, none of the times listed (0.1 seconds before noon, 0.1 seconds after noon, 5 seconds before noon, or 5 seconds after noon) would be acceptable administration times for a medication scheduled to be given at 0900.