Effective use of antibiotics includesReassessing for continued need at 72 hours after initiation of treatment
Stopping antibiotics earlier, i. e., after 5 days instead of the usual 10-day course
Getting blood cultures right after a broad-spectrum antibiotic is started
Using a specific antibiotic to target the identified infectious agent

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.