After teaching a group of students about drugs used as antianginal agents, the instructor determines that the teaching was successful when the students identify which as a beta-blocker antianginal agent?

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

Is there any choices ?

It would be answer choice b (1975)

Bis the answer hope i