Final answer:
Docusate sodium 100 mg prescribed as 'PO bid' should be taken twice a day, as 'bid' stands for 'bis in die,' which translates to 'twice a day' in Latin.
Step-by-step explanation:
The instruction 'docusate sodium 100 mg PO bid' indicates that the medication should be given twice a day. The abbreviation 'bid' is derived from the Latin phrase 'bis in die,' which translates to 'twice a day.' Therefore, the correct answer to the question is b. Two times a day.
Docusate sodium is a stool softener, which is often prescribed to relieve constipation by increasing the amount of water the stool absorbs in the gut, making it softer and easier to pass.