1 po means one by mouth (swallowed). Q is an abbreviation meaning every. 1 po q is an incomplete statement; normally, a time interval would follow the q, so that "1 po qd" is one by mouth daily, and "1 po q6h" means 1 by mouth every 6 hours.

1. Pōʻalima pōʻ kinipōpō peku [po-ah-lee-ma po kee-nee-po-po pay-koo]

2. Kinipōpō peku Pōʻalima pō ʻ[kee-nee-po-po pay-koo po-ah-lee-ma po]

• the answer is rate

1 time in the morning

Yes, there can be a PO Box 1 in a particular area. PO Boxes are assigned sequentially, so PO Box 1 could be in use, but availability may vary depending on the post office's location and demand for PO Boxes in that area.