A patient has searched on the internet for muscle contractions.Which information indicates a good understanding? Muscle contractions occur when there is a decreased:
A) Distance between Z lines
B) A band length
C) Z line length
D) H zone distance

Question

Quizplus · Accepted Answer

Anatomically,contraction occurs when the sarcomere shortens,so adjacent Z lines move closer together.
Anatomically,contraction occurs when the sarcomere shortens,so adjacent Z lines move closer together,not a decrease in A band length.
Anatomically,contraction occurs when the sarcomere shortens,so adjacent Z lines move closer together,not a decrease in Z line length.
Anatomically,contraction occurs when the sarcomere shortens,so adjacent Z lines move closer together,not a decrease in H zone distance.

A Patient Has Searched on the Internet for Muscle Contractions