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Muscles
SPC Goswami ATE1211
| Question | Answer |
|---|---|
| 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
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