Assertion (A): All newborns should be screened for hypothyroidism at birth.
Reason (R): Treatment at birth for hypothyroidism can assure normal mental development.
Assertion (A): Lumbar puncture is indicated in a child with fever and asymmetric flaccid limb weakness.
Reason (R): The diagnosis of Guillain-Barre syndrome can be established by albuminocytologic dissociation on CSF analysis.