The nurse is caring for a client after a closed renal biopsy. Which of the following nursing measures should be included in the plan of care

A. Maintaining the client on strict bed rest in a supine position for 6 hours.
B. Administering intravenous narcotic medications to promote comfort.
C. Inserting an indwelling catheter to monitor urine output.
D. Applying a sandbag to the biopsy site to prevent bleedin

什么是Horner瞳孔？Horner征的主要特征是什么？