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Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings C h a p t e r 10 The Muscular System: Axial Musculature PowerPoint ® Lecture.

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Presentation on theme: "Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings C h a p t e r 10 The Muscular System: Axial Musculature PowerPoint ® Lecture."— Presentation transcript:

1 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings C h a p t e r 10 The Muscular System: Axial Musculature PowerPoint ® Lecture Slides prepared by Agnes Yard and Michael Yard Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

2 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following muscles facilitate(s) or contribute(s) to the action of rolling the eye straight up? a. inferior rectus b. superior oblique c. inferior oblique d. a and b

3 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which muscle inserts into the thyroid cartilage, is innervated by cervical spinal nerves C 1 – C 3, and depresses the larynx? a. palatopharyngeus b. sternothyroid c. thyrohyoid d. stylopharyngeus

4 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which muscle of the vertebral column inserts into the base of the occipital bone and is a spinal flexor? a. quadratus lumborum b. longissimus capitis c. longus capitis d. longus colli

5 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following muscles are included in the oblique group? a. scalene muscles of the cervical region b. transversus muscles of the thoracic region c. internal intercostal muscles d. all of the above

6 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following muscles is not classified as a laryngeal elevator? a. salpingopharyngeus b. levator veli palatini c. stylopharyngeus d. none of the above

7 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following muscles of the vertebral column originate on the ligamentum nuchae and the spines of the upper four thoracic vertebrae and perform extension or lateral flexion of the neck? a. splenius cervicis b. spinalis cervicis c. splenius capitis d. spinalis thoracis

8 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following extra-ocular muscles is innervated by the abducens nerve? a. superior rectus b. lateral rectus c. medial rectus d. b and c

9 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following is not a muscle of the anal triangle? a. coccygeus b. levator ani c. external anal sphincter d. none of the above

10 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following oblique muscles inserts on the linea alba and pubis? a. transversus abdominis b. internal obliques c. external obliques d. transversus thoracis

11 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following best describes the longisssimus thoracis muscle? a. It originates on the broad aponeurosis and at transverse processes of inferior cervical and superior thoracic vertebrae; it extends the vertebral column and is innervated by thoracic spinal nerves. b. Its origin joins the iliocostalis; it is innervated by thoracic and lumbar spinal nerves, and alone, each muscle produces lateral flexion on the same side. c. It inserts into the spinous processes of C 5 – T 4, extends the vertebral column, and is innervated by thoracic and lumbar spinal nerves. d. It inserts into the transverse processes of superior thoracic and lumbar vertebrae and the inferior surfaces of the lower ten ribs and it extends the vertebral column.

12 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following does not elevate the ribs? a. transversus thoracis b. external intercostals c. anterior scalenes d. none of the above

13 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following statements regarding the styloglossus muscle is false? a. Its origin is the styloid process of the temporal bone. b. It inserts on the body of the tongue and hyoid bone. c. It acts to retract the tongue and elevate the sides. d. It is innervated by CN XII.

14 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following muscles of the vertebral column does not facilitate flexion? a. longissimus thoracis b. spinalis thoracis c.longissimus capitis d. splenius capitis

15 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which facial muscle(s) is/are responsible for producing the suction required for suckling at the breast? a. orbicularis oris b. risorius c. buccinator d. a and c

16 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following is an important flexor of the vertebral column? a. transversus abdominis b. inferior serratus posterior c. rectus abdominis d. scalenes

17 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which muscle inserts into the median raphe of the urogenital diaphragm and is innervated by the perineal branch (S 2 – S 4 ) of the pudendal nerve? a. deep transverse perineal b. external anal sphincter c. superficial transverse perineal d. ischiocavernosus

18 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following best describes the iliococcygeus muscle? a. Its origin is in the ischial spine, and it elevates and supports the pelvic floor. b. Its origin is in the ischial spine, and it elevates and retracts the anus. c. Its origin is via a tendon from the coccyx, and it is innervated by the pudendal nerve. d. Its origin is the ischial spines, and it is innervated by the inferior sacral nerve.

19 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following oblique and rectus muscles is innervated by the iliohypogastric nerve? a. transversus abdominis b. superior serratus posterior c. transversus thoracis d. rectus abdominis

20 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following does not accurately describe the muscles of the pharynx? a. The unpaired pharyngeal muscles are important in the initiation of swallowing. b. The muscles grouped together as laryngeal elevators include the salpingopharyngeus, palatopharyngeus, and stylopharyngeus. c. The palatal muscles elevate the soft palate and adjacent portions of the pharyngeal wall. d. Pharyngeal muscles are innervated by the ninth and tenth cranial nerves.

21 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following is innervated by inferior sacral nerves (S 4 – S 5 )? a. iliococcygeus b. external anal sphincter c. coccygeus d. pubococcygeus

22 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following muscles of the vertebral column inserts into transverse processes of superior cervical vertebrae and flexes and/or rotates the neck, as well as limits hyperextension? a. longus colli b. longissimus colli c. longus capitis d. longissimus capitis

23 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which muscle facilitates the movement called lateral excursion? a. masseter b. medial pterygoid c. temporalis d. b and c

24 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which perineal muscle originates on the central tendon of the perineum and median raphe and inserts into the perineal membrane and corpus cavernosum? a. male ischiocavernosus b. male bulbospongiosus c. female ischiocavernosus d. female bulbospongiosus

25 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which of the following pharyngeal constrictor muscles insert(s) on the median raphe and is/are innervated by the vagus nerve? a. superior constrictor muscles b. middle constrictor muscles c. inferior constrictor muscles d. all of the above

26 Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Which facial muscle partially originates on the greater wing of the sphenoid and inserts into the anterior part of the mandibular condyle at the neck? a. medial pterygoid b. lateral pterygoid c. masseter d. temporalis


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