During the contraction phase of a muscle twitch,
A) acetylcholine stimulates the pre-synaptic terminal.
B) sodium ions diffuse into the muscle fiber.
C) actin-myosin cross-bridges form.
D) calcium ions are transported back to the sarcoplasmic reticulum.
E) the action potential travels down the T tubule.
Correct Answer:
Verified
Q76: T tubules are invaginations of the
A) sarcoplasmic
Q78: Which of the following structures contains the
Q80: In order for muscle relaxation to occur,
A)calcium
Q81: The stretch of elastic components of a
Q83: Whole muscles can respond in a graded
Q85: Treppe
A)can contribute to improved muscle efficiency.
B)may be
Q86: After contraction has occurred,the calcium is
A)destroyed by
Q92: The time between application of the stimulus
Q93: Incomplete tetanus
A) is the time during which
Q97: A sustained muscle contraction is known as
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents