Which of the following considerations are important for a nurse administering morphine and oxybutynin to a client with renal calculi? (Select all that apply)

Administer morphine before oxybutynin

Avoid combining both medications in a single dose.

Assess for anticholinergic side effects from oxybutynin,

Monitor for respiratory depression with morphine.

Monitor for hyperglycemia with oxybutynin

Ensure adequate hydration to prevent further calculi formation.