1. Key unit of contraction composed of bundled parallel protein myofilaments 2. This part of muscle cell transmits AP.

Anurse is teaching a client about nitroglycerin sublingual tablets. which of the following statements by the client indicates an understanding of the teaching? a. “this medication has a slower onset than a nitroglycerin pill that is swallowed.” b. “i should take this medication as soon as pain begins.” c. “i can crush this medication for faster relief.” d. “this medication should completely dissolve within 15 minutes.”