Tag: muscle contraction
Questions Related to muscle contraction
Read the statements about the mechanism of muscle contraction and select the correct answer.
I. Acetylcholine is released when the neural signal reaches the motor end plate.
II. Muscle contraction is initiated by a signal sent by CNS via a sensory neuron.
III. During muscle contraction, isotropic band gets elongated.
IV. Repeated activation of the muscles can lead to lactic acid accumulation.
Which of the following option shows correct order of some stages of muscle contraction from the beginning to the end of the process?
Which of the following is not involved in muscle contraction?
Muscle contraction is initiated by a signal by the central nervous system via
Consider the following statements each with one or two blanks.
(i) Repeated activation of the muscles can lead to the accumulation of (A) due to anaerobic breakdown of glycogen in them, causing fatigue.
(ii) The globular head of meromyosin is an active ATPase enzyme and has binding sites for (B) and active sites for (C).
(iii) This central part of thick filament, not overlapped by thin filaments is called the (D) .
Which one of the following options correctly fills the concerned blanks?
Relaxation of muscle is due to -
ATPase of the muscle is located in: