The nurse administers 6 units of Humalog (lispro) insulin sub-q to a client at 8:30 a.m. The nurse knows to reassess the client and check for a possible hypoglycemic reaction at

Number 2 is correct.

Humalog (lispro) is fast-acting insulin, with onset of action beginning 15 minutes after injection. Humalog peaks 30 – 90 minutes after administration, and during this peak time the client is most likely to experience a hypoglycemic reaction. It would be too early to check the client at 8:45 a.m., and checking the client at 11:30 a.m. or later is too late.