The loss of which of the following would prevent
depolarization traveling into the skeletal muscle
fiber?
Transverse tubules
Sarcolemma
Sarcomeres
The sarcoplasmic reticulum
Myosin filaments
for the biceps
and triceps muscle
How is the
mechanical behavior of a single muscle fiber in tension
different
from the whole
muscle? What is the functional value?
Depolarization of one group of smooth muscle cells rapidly
spreads to other smooth muscle cells, leading to coordinated
contractions. This electrical coupling is due to
A. autocrine signaling
B. paracrine signaling
C. endocrine signaling
D. direct signaling
Define “muscle dysmorphia”. Compare the behaviors associated with muscle dysmorphia to the behaviors associated with other addictions, such as alcohol or drug abuse. What are some similarities? Differences?