Muscle of expiration____________?

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. Heart muscle, true are all except_______________?

   A. Act as syncytium
   B. Has multiple nuclei
   C. Has gap junctions
   D. Has branching

3. which receptor is responsible for monitoring the rate of muscle stretch ?

   A. Nuclear bag intrafusal fibers
   B. Nuclear chain
   C. Golgi tendon organ
   D. Pacinium corpuscles

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

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

5. 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

6. 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

7. Cardiac muscle contracts due to______________?

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

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

   A. Troponin
   B. Myosin
   C. Actin
   D. Protein- C

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