Surgery All are true regarding brachial plexus injury, except A Preganglionic lesions have a better prognosis than postganglionic lesions B Erb's palsy causes paralysis of the abductors and external rotators of the shoulder C In Klumpke's palsy, Horner's syndrome may be present on the ipsilateral side D Histamine test is useful to differentiate between the preganglionic and postganglionic lesions 💡 Explanation All are true regarding brachial plexus injury, except ✓ Correct Answer: A. Preganglionic lesions have a better prognosis than postganglionic lesions