Which one of the following is a regulatory protein of the muscle ?

Related Mcqs:

1. Among the muscles of TMJ the following muscle opposing stabilizing and antagonistic muscle force as far as the disc is concerned_____________?

   A. Medial pterygoid B. Temporalis C. Lateral pterygoid D. External pterygoid...

2. The following electrodes are used to detect the muscle activity without pain_________________?

   A. Surface electrode B. Round electrode C. Hook electrode D. Needle electrode...

3. Calcium ions triggers muscle contraction by binding to ___________________?

   A. Actin B. Myosin C. Troponin D. Tropomyosin...

4. The number of muscle fibers in a motor unit are least in______________?

   A. Laryngeal muscles B. Pharyngeal muscles C. Muscles of middle ear D. Extraocular muscles...

5. Two major types of muscle fibres are found in humans_____________?

   A. white and brown B. White and yellow C. White and gray D. White and red...

6. The main types of muscle cells are______________?

   A. Skeletal and cardiac B. Smooth and cardiac C. Smooth and skeletal D. All of the above...

7. Cardiac muscle contracts due to______________?

   A. Extracellular Ca+2 B. Sarcoplasmic ca+2 C. Extracellular Na+ D. Intracellular Na+...

8. The contractile element in a skeletal muscle is present in______________?

   A. Sarcolemma B. Sarcoplasm C. Myofibril D. Endomysium...

9. The skeletal muscle action potential______________?

   A. Is not essential for contraction to occur B. Has a prolonged plateau phase? C. Spreads in ward to all parts of the muscle via the t- tubule system D. Begins with an, in ward movement of K+ ins...

10. All are features of skeletal muscle except______________?

    A. Cylindrical B. Transverse striation C. Centrally placed nuclei D. Multiple nuclei...