The axial muscles of the head and neck are assigned to one of the following func

Question

The axial muscles of the head and neck are assigned to one of the following functional groups, except A) the muscles of mastication. B) the muscles of facial expression. C) the muscles of the tongue. D) the muscles of vocal expression. E) the muscles of the pharynx. 42) Which of the following is not a muscle of the rotator cuff? A) teres minor B) supraspinatus C) subscapularis D) subclavius 43) Cross-bridges are portions of A) calcium ions B) tropomyosin molecules. C) myosin molecules. D) troponin molecules. E) actin molecules. 44) Damage to which of the following muscles would interfere most with the ability to breathe? A) platysma B) pterygoid C) rectus abdominis D) intercostals E) digastric 45) The thin filaments of striated muscle are made of which protein(s)? A) tropomyosin B) actin C) nebulin D) troponin E) all of the above

Explanation / Answer

41. D. the muscles of vocal expression

the axial muscles stabilize the head, neck and trunck.

42. D. subclavius

43. C. myosin molecules

44. D. intercostals

Damage to the external intercostal muscle would interfere with the ability to breathe

45. E. all of the above.

The thin filaments of striated muscles are made up of tropomosin, troponin, nebulin and actin.

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