An adolescent hospitalized with sickle cell anaemia reports to the nurse of experiencing a pain level of 10 on a 0 to 10 numerical scale. The nurse observes the adolescent on a phone call laughing. Which action should the nurse take?

Introduce non-pharmacologic strategies for pain reduction.

Allow adequate privacy and time for the client's phone call.

Document the concern of incongruent pain rating and behaviour.

Administer pain medication per the healthcare provider's orders.