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Muscles

SPC Goswami ATE1211

QuestionAnswer
Difference between voluntary and involuntary muscle fibers.
What is the difference between smooth muscles, cardiac muscles and skeletal muscles?
What type of muscles are found in body organs like stomach, intestine, esophagus etc.?
What is the main function or property of all types of muscles?
Does nerve stimulation is required for smooth muscle contraction?
What is "self excitation" process of smooth muscles?
What is ephatic conduction?
Why are the smooth muscles less fatigue prone as compared to skeletal muscle fibers?
Cardiac muscles have what type of properties (voluntary or involuntary; striated or unstriated)?
Which muscle fibers have intercalated discs interposed at the gap junctions?
Name the pace maker of the cardiac muscles.
Why is the contraction time longer in cardiac muscle fibers?
The internal structure of skeletal muscle (muscle fiber - myofibrils - thick and thin myofilaments).
Why the skeletal muscle fibers appear to be striated?
Define I-band, A-band, Z-line, Sarcomere, T-tubules.
Name the structural and functional unit of contraction of a striated muscle fiber.
Calcium ions (Ca++) are stored in which part of the skeletal muscle fiber?
Name the neurochemical substance released at a neuromuscular junction?
In skeletal muscle fibers, the action potential spreads through the t-tubules and reaches to the sarcoplasmic reticulums and causes what action?
Which ions are the most important for muscle contraction and relaxation?
Name the two segments of a thick filament (Ultrastructure).
Name the three components of a thin filament (Ultrastructure).
Must know all the steps of cross bridging process.
Calcium ions bind to what part of the thin filament?
What is essential in order for a contracted muscle to relax?
What is the effect of organo-phosphate compounds on neuromuscular junction?
What is the effect of crurari form drugs on neuromuscular junction?
What is the effect of botulinum toxins on neuromuscular junction?
List all the sources of energy utilized by the muscle fibers.
What is the end product of glucose metabolism in presence of oxygen?
What will happen, if muscle contraction outstrips the mitochondria's ability to produce ATPs aerobically?
Define the terms Tetany, Fatigue, Rigor mortis and Tone.
List all the characteristic features of Type I muscle fibers (Red Muscle Fibers).
List all the characteristic features of Type II muscle fibers (White Muscle Fibers).
Difference between isotonic and isometric contraction.
What are the three types of muscle. Skeletal, smooth, and cardiac
Created by: Rsande11