All of the following are true about skeletal muscle except _________________?

Related Mcqs:

1. All of the following decrease skeletal muscle tone by CNS effects except____________?

   A. D-tubocurarin
   B. Diazepam
   C. Beclofen
   D. Mephensin

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

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

3. 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

4. All are features of skeletal muscle except______________?

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

5. 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

6. All except one are centrally acting muscle blocks___________?

   A. Meprobamate
   B. Baclofen
   C. Diazepam
   D. Dantrolene sodium

7. Skeletal muscles_____________?

   A. Contracts when calcium is taken up by sarcoplasmic reticulum
   B. Contracts when actin and myosin filaments shorten
   C. Contraction is initiated by calcium binding to troponin
   D. Contraction is initiated by calcium binding to tropomyosin

8. A child is below the third percentile for height. Growth velocity is normal, but chronologic age is more than skeletal age. The most likely diagnosis is______________?

   A. Constitutional delay in growth
   B. Genetic short stature
   C. Primordial dwarfism
   D. Hypopituitarism

9. Malignant tumour of skeletal muscie is__________________?

   A. Rhabdomyoma
   B. Rhabdomyosarcoma
   C. Leiomyoma
   D. Leiomyosarcoma

10. In Radionucide imaging the most useful radio pharmaceutical for skeletal imaging is______________?

    A. Gallium 67 (67 Ga)
    B. Technetium-99m (99m Tc-Sc)
    C. Technetium-99m (99m Tc)
    D. Technetium-99m linked to Methylene disphosonate (99m Tc-MDP)