Side effects such as drowsiness, mental clouding, and nausea can be a result of taking: tranquilizers pain relievers narcotics stimulants

When we're taking narcotics, we can expect symptoms such sa drowsiness, mental clouding and nausea as well. 

These symptoms exactly describe the symptoms we would be able to expect when taking narcotics and not really when we would be taking any of the other mentioned drugs. 

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.

Ibelieve the correct answer is  stratum  lucidum.