Chapter 11 Axial Musclature saladins Jalota

46. Why do men experience inguinal hernias more than women?

Men have a weaker inguinal canal due to the descent of the testes.

23. When the diaphragm contracts, it

becomes flatter and aids in inspiration

60. The cheek area is known as the ____ region.

buccal

22. Which muscle would be most essential for blowing a trumpet?

buccinator

66. The muscle that is well-developed in infants for sucking is the _____.

buccinator

55. A muscle that expels semen during ejaculation is _____.

bulbospongiosus

43. Which word indicates that a structure is associated with the neck?

cervicis

14. Which muscle draws the eyebrows together when one frowns?

corrugator supercilii

51. _____ nerves originate in the brain and innervate structures of the head and neck.

cranial

47. Which muscle is important for frowning?

depressor anguli oris

67. The ____ is a dome-shaped muscle that separates the thorax and abdomen that is necessary for breathing.

diaphragm

12. Which of these helps to open the mouth (depress the mandible)?

digastric

54. When a person has an asthma attack, they might experience difficulty breathing, also known as _____.

dyspnea

28. Which muscle(s) is/are contracted to inhale deeply?

external intercostals

40. Which abdominal muscle is most superficial?

external oblique

56. The ____ ____ is the structure that connects frontalis and occipitalis.

galea aponeurotica

32. Which is the prime muscle for sticking out your tongue?

genioglossus

61. The word that means tongue is ____.

glossus

65. A ___ is a condition where viscera protrude through a weak point in the abdominopelvic cavity.

hernia

71. The _________ of a muscle refers to the identity of the nerve that stimulates it.

innervation

29. Which muscle plays a role in erection of the penis and clitoris?

ischiocavernosus

37. What is the function of the scalenes?

lateral flexion of the neck

50. Which muscle associated with chewing originates on the sphenoid bone?

lateral pterygoid

62. The ______ _____ is a chewing muscle that depresses the mandible and moves it from side to side.

lateral pterygoid

57. The ____ ____ is the muscle that opens the eye and raises the upper lid.

levator palpebrae

39. What structure separates the two halves of the rectus abdominis muscle?

linea alba

30. Which muscle acts as an antagonist to rectus abdominis?

longissumus

15. The _____ originates on the zygomatic arch and inserts on the angle of the mandible.

masseter

4. The _____ muscle pulls the skin of the chin upward.

mentalis

31. What back muscle connects vertebrae to each other and acts to extend and rotate the trunk?

multifundus

26. Muscles that originate on bone but insert in skin are

muscles of facial expression

7. What will be a possible effect of a viral infection that affects one of the pair of cranial nerve VII (the facial nerve)?

muscles of facial expression will droop on both sides

10. Which is not an infrahyoid muscle?

mylohyoid

48. Which muscle forms the floor of the mouth?

mylohyoid

35. Which muscle is NOT part of the suprahyoid group?

omohyoid

36. Which muscle originates on the clavicle?

omohyoid

25. Which muscle is associated with closing the eyelid?

orbicularis oculi

3. Which muscle is most important for kissing?

orbicularis oculi

59. The muscle that squeezes the eyes shut is ____ _____.

orbicularis oculi

58. The muscle that encircles the lips and enables them to pucker, as in a kiss, is ___ ____.

orbicularis oris

41. Which muscles are most important in swallowing?

pharyngeal constrictors

68. The ____ _____ are throat muscles essential for swallowing.

pharyngeal constrictors

63. ____ is a word that means throat.

pharynx

52. ____ is a word that means straight.

rectus

16. Tendinous insertions divide the ______ into segments externally visible on a well-muscled person.

rectus abdominis

70. The ____ _____ is an abdominal muscle whose two halves are separated by the linea alba.

rectus abdominis

21. Which muscle produces the most power for sit-ups?

rectus abdominus

45. What muscle(s) might be used to assist breathing if a person was experiencing an asthma attack?

scalenes

8. Which of the following is an extensor of the neck?

semispinalis capitis

42. Which of the following is NOT part of erector spinae?

serratus posterior

49. If you wanted to increase the strength of the abdominal muscles, which exercise would be most effective?

sit ups

53. Minumus means ____.

smallest

64. The _____ serves as the prime mover of neck flexion.

sternocleidmastoid

11. Which muscle acts as an antagonist to trapezius?

sternocleidomastoid

24. The major muscle that flexes the neck is the

sternocleidomastoid

44. Which muscle inserts on the mastoid process?

sternocleidomastoid

73. Based on their nomenclature, select all that are spinal nerves.

t8, s1

13. The ______ acts synergistically with the masseter.

temporalis

34. Which muscle inserts on the coronoid process of the mandible?

temporalis

18. Which of the following perineal muscles exhibits the greatest difference between males and females?

the bulbospongiosus

27. Which muscle is part of the urogenital diaphragm?

the external urethral sphincter

19. Which nerve(s) innervates most of the muscles of facial expression?

the facial nerve

17. Suppose you were doing toe-touching exercises, without bending your knees. To stand up, you would mostly use

the iliocostalis muscles

20. Which muscle(s) is/are used in blowing out birthday candles?

the internal intercostals

5. All of the following are intrinsic muscles of the head EXCEPT

the sternocleidomastoid

6. All of the following produce chewing movements of the mandible EXCEPT

the thyrohyoid

9. The deepest muscle of the abdominal wall is

the transcersus abdominus

69. The deepest abdominal muscle is the ____ _____.

transversus abdominis

38. Which large muscle has an origin on the external occipital protuberance and extends the neck?

trapezius

72. Several muscles of facial expression are stimulated by the facial nerve. In other words, these muscles are innervated by the facial nerve.

true

1. The _____ muscle contracts when one smiles.

zygomatic major

33. Which muscle(s) is/are not essential when you take a bite of food and chew it?

zygomaticus major