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Chapter 10 – The Muscular System: Axial Musculature Facial, Mastication, & Extra-ocular Muscles Tongue, Pharynx, & Anterior Neck Muscles Muscles of the Vertebral Column Oblique and Rectus Muscles Perineal and Pelvic Diaphragm Muscles $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 FINAL ROUND Topic 1: $100 Question Which muscle draws the corner of the mouth to the side, and is innervated by the facial nerve? a. depressor anguli oris b. risorius c. levator anguli oris d. zygomaticus major ANSWER BACK TO GAME Topic 1: $100 Answer Which muscle draws the corner of the mouth to the side, and is innervated by the facial nerve? a. depressor anguli oris b. risorius c. levator anguli oris d. zygomaticus major BACK TO GAME Topic 1: $200 Question Which facial muscle originates on the maxilla and mandible, and is innervated by CN VII? a. orbicularis oris b. levator anguli oris c. zygomaticus minor d. depressor anguli oris ANSWER BACK TO GAME Topic 1: $200 Answer Which facial muscle originates on the maxilla and mandible, and is innervated by CN VII? a. orbicularis oris b. levator anguli oris c. zygomaticus minor d. depressor anguli oris BACK TO GAME Topic 1: $300 Question Which of the following muscles of mastication is innervated by the trigeminal nerve, and acts to elevate the mandible and close the jaw, or to move the mandible side to side? a. lateral pterygoid b. masseter c. temporalis d. medial pterygoid ANSWER BACK TO GAME Topic 1: $300 Answer Which of the following muscles of mastication is innervated by the trigeminal nerve, and acts to elevate the mandible and close the jaw, or to move the mandible side to side? a. lateral pterygoid b. masseter c. temporalis d. medial pterygoid BACK TO GAME Topic 1: $400 Question Which of the following most accurately describes the inferior oblique muscle? a. It inserts into the inferomedial surface of the eyeball. b. It facilitates the action in which the eye looks down. c. It is innervated by the abducens nerve. d. It inserts into the inferolateral surface of the eyeball. BACK TO GAME ANSWER Topic 1: $400 Answer Which of the following most accurately describes the inferior oblique muscle? a. It inserts into the inferomedial surface of the eyeball. b. It facilitates the action in which the eye looks down. c. It is innervated by the abducens nerve. d. It inserts into the inferolateral surface of the eyeball. BACK TO GAME Topic 1: $500 Question Which of the following statements regarding the depressor labii inferioris muscle is incorrect? a. It originates on the mandible between the anterior midline and the mental foramen. b. It inserts into the skin at the angle of the mouth. c. It depresses the lower lip and is innervated by CN VII. d. None of the above statements is incorrect. ANSWER BACK TO GAME Topic 1: $500 Answer Which of the following statements regarding the depressor labii inferioris muscle is incorrect? a. It originates on the mandible between the anterior midline and the mental foramen. b. It inserts into the skin at the angle of the mouth. c. It depresses the lower lip and is innervated by CN VII. d. None of the above statements is incorrect. BACK TO GAME Topic 2: $100 Question Pharyngeal muscles are innervated by which of the following cranial nerves (CN)? a. CN V b. CN VII c. CN X d. All of the above. ANSWER BACK TO GAME Topic 2: $100 Answer Pharyngeal muscles are innervated by which of the following cranial nerves (CN)? a. CN V b. CN VII c. CN X d. All of the above. BACK TO GAME Topic 2: $200 Question Which muscle originates on the mandible’s medial surface around the chin and partially inserts into the hyoid bone? a. genioglossus b. hyoglossus c. geniohyoid d. mylohyoid ANSWER BACK TO GAME Topic 2: $200 Answer Which muscle originates on the mandible’s medial surface around the chin and partially inserts into the hyoid bone? a. genioglossus b. hyoglossus c. geniohyoid d. mylohyoid BACK TO GAME Topic 2: $300 Question Which of the following is not a function of the anterior muscles of the neck? a. They control the position of the pharynx. b. They depress the mandible. c. They tense the floor of the mouth. d. They provide a stable foundation for muscles of the tongue. ANSWER BACK TO GAME Topic 2: $300 Answer Which of the following is not a function of the anterior muscles of the neck? a. They control the position of the pharynx. b. They depress the mandible. c. They tense the floor of the mouth. d. They provide a stable foundation for muscles of the tongue. BACK TO GAME Topic 2: $400 Question Which of the following statements regarding the tensor veli palatini muscle is correct? a. It partially originates on the pterygoid process of the sphenoid, inserts into the median raphe and is innervated by CN IX. b. It partially originates on the sphenoidal spine, inserts into the soft palate and is innervated by CN X. c. It partially originates on the petrous portion of the temporal bone, inserts into the soft palate, and is innervated by CN V. d. It partially originates into the tissues around the auditory tube, inserts into the soft palate, and is innervated by CN V. BACK TO GAME ANSWER Topic 2: $400 Answer Which of the following statements regarding the tensor veli palatini muscle is correct? a. It partially originates on the pterygoid process of the sphenoid, inserts into the median raphe and is innervated by CN IX. b. It partially originates on the sphenoidal spine, inserts into the soft palate and is innervated by CN X. c. It partially originates on the petrous portion of the temporal bone, inserts into the soft palate, and is innervated by CN V. d. It partially originates into the tissues around the auditory tube, inserts into the soft palate, and is innervated by CN V. BACK TO GAME Topic 2: $500 Question Which of the following does not accurately describe the mylohyoid? a. It originates on the mylohoid line of the mandible, inserts into the median raphe attached to the hyoid bone, and it elevates the hyoid bone. b. It inserts into the median connective tissue band that runs to the hyoid bone, and is innervated by the mandibular branch of CN V. c. It originates on the mylohoid line of the maxilla, inserts into the median raphe attached to the hyoid bone, and is innervated by the maxillary branch of CN V. d. It inserts into the median connective tissue band that runs to the hyoid bone, and it elevates the floor of the mouth. ANSWER BACK TO GAME Topic 2: $500 Answer Which of the following does not accurately describe the mylohyoid? a. It originates on the mylohoid line of the mandible, inserts into the median raphe attached to the hyoid bone, and it elevates the hyoid bone. b. It inserts into the median connective tissue band that runs to the hyoid bone, and is innervated by the mandibular branch of CN V. c. It originates on the mylohoid line of the maxilla, inserts into the median raphe attached to the hyoid bone, and is innervated by the maxillary branch of CN V. d. It inserts into the median connective tissue band that runs to the hyoid bone, and it elevates the floor of the mouth. BACK TO GAME Topic 3: $100 Question Which of the following is located in the superficial layer of vertebral column muscles? a. semispinalis capitis b. interspinalis c. spinalis cervicis d. None of the above. ANSWER BACK TO GAME Topic 3: $100 Answer Which of the following is located in the superficial layer of vertebral column muscles? a. semispinalis capitis b. interspinalis c. spinalis cervicis d. None of the above. BACK TO GAME Topic 3: $200 Question Which of the following muscles of the vertebral column is not a flexor muscle? a. longissimus cervicis b. iliocostalis thoracis c. longissimus thoracis d. iliocostalis cervicis ANSWER BACK TO GAME Topic 3: $200 Answer Which of the following muscles of the vertebral column is not a flexor muscle? a. longissimus cervicis b. iliocostalis thoracis c. longissimus thoracis d. iliocostalis cervicis BACK TO GAME Topic 3: $300 Question Which muscle inserts into the spinous processes of C5-T4, extends the vertebral column, and is innervated by the thoracic spinal nerves? a. semispinalis thoracis b. longissimus thoracis c. spinalis thoracis d. rotatores thoracis ANSWER BACK TO GAME Topic 3: $300 Answer Which muscle inserts into the spinous processes of C5-T4, extends the vertebral column, and is innervated by the thoracic spinal nerves? a. semispinalis thoracis b. longissimus thoracis c. spinalis thoracis d. rotatores thoracis BACK TO GAME Topic 3: $400 Question Which of the following statements regarding muscles of the vertebral column is true? a. The intrinsic back muscles, which are innervated by the ventral rami of associated spinal nerves, interconnect and stabilize the vertebrae. b. The splenius muscles of the intermediate layer of intrinsic back muscles perform extension or lateral flexion of the neck. c. The transversospinalis muscles are all relatively short muscles that work in various combinations to produce slight extension or rotation of the vertebral column. d. The erector spinae muscles of the intermediate layer of the intrinsic back muscles flex the vertebral column when contracting together. ANSWER BACK TO GAME Topic 3: $400 Answer Which of the following statements regarding muscles of the vertebral column is true? a. The intrinsic back muscles, which are innervated by the ventral rami of associated spinal nerves, interconnect and stabilize the vertebrae. b. The splenius muscles of the intermediate layer of intrinsic back muscles perform extension or lateral flexion of the neck. c. The transversospinalis muscles are all relatively short muscles that work in various combinations to produce slight extension or rotation of the vertebral column. d. The erector spinae muscles of the intermediate layer of the intrinsic back muscles flex the vertebral column when contracting together. BACK TO GAME Topic 3: $500 Question Which of the following statements does not accurately describe the rotatores lumborum muscle? a. It originates on the transverse processes of the vertebrae in the lumbar region and rotates the vertebral column toward the opposite side. b. It originates on the transverse processes of the vertebrae in the lumbar region and extends the vertebral column. c. It inserts into the spinous processes of adjacent more superior vertebrae and is innervated by lumbar spinal nerves. d. It inserts into the transverse processes of adjacent more superior vertebrae and is innervated by lumbar spinal nerves. ANSWER BACK TO GAME Topic 3: $500 Answer Which of the following statements does not accurately describe the rotatores lumborum muscle? a. It originates on the transverse processes of the vertebrae in the lumbar region and rotates the vertebral column toward the opposite side. b. It originates on the transverse processes of the vertebrae in the lumbar region and extends the vertebral column. c. It inserts into the spinous processes of adjacent more superior vertebrae and is innervated by lumbar spinal nerves. d. It inserts into the transverse processes of adjacent more superior vertebrae and is innervated by lumbar spinal nerves. BACK TO GAME Topic 4: $100 Question Which of the following oblique and rectus muscles elevate the ribs? a. internal intercostals b. superior serratus posterior c. transversus thoracis d. rectus abdominis ANSWER BACK TO GAME Topic 4: $100 Answer Which of the following oblique and rectus muscles elevate the ribs? a. internal intercostals b. superior serratus posterior c. transversus thoracis d. rectus abdominis BACK TO GAME Topic 4: $200 Question Phrenic nerves (C3-C5) innervate which of the following muscles that functions to compress the abdominopelvic cavity upon contraction? a. diaphragm b. rectus abdominis c. external oblique d. internal oblique ANSWER BACK TO GAME Topic 4: $200 Answer Phrenic nerves (C3-C5) innervate which of the following muscles that functions to compress the abdominopelvic cavity upon contraction? a. diaphragm b. rectus abdominis c. external oblique d. internal oblique BACK TO GAME Topic 4: $300 Question Which muscle originates on the external and inferior borders of ribs 5-12 and acts to depress the ribs? a. inferior serratus posterior b. internal oblique c. external oblique d. external intercostals ANSWER BACK TO GAME Topic 4: $300 Answer Which muscle originates on the external and inferior borders of ribs 5-12 and acts to depress the ribs? a. inferior serratus posterior b. internal oblique c. external oblique d. external intercostals BACK TO GAME Topic 4: $400 Question Which of the following statements regarding the transversus abdominis muscle is incorrect? a. It originates on the iliac crest and thoracolumbar fascia, compresses the abdomen and is partially innervated by intercostal nerves (T7-T12). b. It originates on the iliac crest and thoracolumbar fascia, compresses the abdomen and is partially innervated by intercostal nerves (T5-T12). c. It inserts into the linea alba and pubis, compresses the abdomen, and is partially innervated by the iliohypogastric nerve. d. It inserts into the linea alba and pubis, compresses the abdomen, and is partially innervated by the ilioinguinal nerve. ANSWER BACK TO GAME Topic 4: $400 Answer Which of the following statements regarding the transversus abdominis muscle is incorrect? a. It originates on the iliac crest and thoracolumbar fascia, compresses the abdomen and is partially innervated by intercostal nerves (T7-T12). b. It originates on the iliac crest and thoracolumbar fascia, compresses the abdomen and is partially innervated by intercostal nerves (T5-T12). c. It inserts into the linea alba and pubis, compresses the abdomen, and is partially innervated by the iliohypogastric nerve. d. It inserts into the linea alba and pubis, compresses the abdomen, and is partially innervated by the ilioinguinal nerve. BACK TO GAME Topic 4: $500 Question Which of the following most accurately describes the inferior serratus posterior muscle? a. It originates on the aponeurosis from spinous processes of T8-L3 and inserts into the inferior borders of ribs 8-12. b. It originates on the aponeurosis from spinous processes of T10-L3 and inserts into the inferior borders of ribs 8-12. c. It inserts on the inferior borders of ribs 9-12 and is innervated by thoracic nerves (T9 –T12) d. It inserts on the inferior borders of ribs 9-12 and acts to pull ribs inferiorly, and also outward, opposing the action of the diaphragm. ANSWER BACK TO GAME Topic 4: $500 Answer Which of the following most accurately describes the inferior serratus posterior muscle? a. It originates on the aponeurosis from spinous processes of T8-L3 and inserts into the inferior borders of ribs 8-12. b. It originates on the aponeurosis from spinous processes of T10-L3 and inserts into the inferior borders of ribs 8-12. c. It inserts on the inferior borders of ribs 9-12 and is innervated by thoracic nerves (T9 –T12) d. It inserts on the inferior borders of ribs 9-12 and acts to pull ribs inferiorly, and also outward, opposing the action of the diaphragm. BACK TO GAME Topic 5: $100 Question The ischial and pubic rami are sites of origin for which of the following perineal muscles? a. male external urethral sphincter b. female external urethral sphincter c. deep transverse perineal muscle d. a and b ANSWER BACK TO GAME Topic 5: $100 Answer The ischial and pubic rami are sites of origin for which of the following perineal muscles? a. male external urethral sphincter b. female external urethral sphincter c. deep transverse perineal muscle d. a and b BACK TO GAME Topic 5: $200 Question Which of the following is not classified as a muscle in the urogenital triangle? a. pubococcygeus b. deep transverse perineal c. external urethral sphincter d. None of the above. ANSWER BACK TO GAME Topic 5: $200 Answer Which of the following is not classified as a muscle in the urogenital triangle? a. pubococcygeus b. deep transverse perineal c. external urethral sphincter d. None of the above. BACK TO GAME Topic 5: $300 Question Which of the following statements regarding the pelvic diaphragm is true? a. It is a muscular layer that overlies deeper muscles that strengthen the pelvic floor and encircle the urethra. b. It is a deep muscle layer that extends between the pubic bones. c. It forms the muscular foundation of the anal triangle. ANSWER d. a and c BACK TO GAME Topic 5: $300 Answer Which of the following statements regarding the pelvic diaphragm is true? a. It is a muscular layer that overlies deeper muscles that strengthen the pelvic floor and encircle the urethra. b. It is a deep muscle layer that extends between the pubic bones. c. It forms the muscular foundation of the anal triangle. d. a and c BACK TO GAME Topic 5: $400 Question Which of the following statements most accurately describes the bulbospongiosus muscle in females? a. It originates on the perineal body, partially inserts into the perineal membrane, body of clitoris and corpus spongiosum, and compresses the bulbo-urethral glands. b. It originates on the central tendon of the perineum, partially inserts into the perineal membrane and corpus cavernosum. c. It partially inserts into the bulb of vestibule, perineal membrane, and corpus spongiosum, and is innervated by the perineal branch (S2-S4) of the pudendal nerve. d. It partially inserts into the bulb of vestibule, perineal membrane, and corpus cavernosum, and is innervated by the inferior sacral nerves. ANSWER BACK TO GAME Topic 5: $400 Answer Which of the following statements most accurately describes the bulbospongiosus muscle in females? a. It originates on the perineal body, partially inserts into the perineal membrane, body of clitoris and corpus spongiosum, and compresses the bulbo-urethral glands. b. It originates on the central tendon of the perineum, partially inserts into the perineal membrane and corpus cavernosum. c. It partially inserts into the bulb of vestibule, perineal membrane, and corpus spongiosum, and is innervated by the perineal branch (S2-S4) of the pudendal nerve. d. It partially inserts into the bulb of vestibule, perineal membrane, and corpus cavernosum, and is innervated by the inferior sacral nerves. BACK TO GAME Topic 5: $500 Question Which of the following statements regarding the male external urethral sphincter is incorrect? a. It partially originates on the ischial ramus, inserts into the median raphe at the base of the penis, and compresses the bulbo-urethral glands. b. It partially originates on the ischial spine, inserts into the median raphe at the base of the penis, and compresses the greater vestibular glands. c. It inserts into the median raphe at the base of the penis and inner fibers encircling the urethra, closes the urethra, and is innervated by the pudendal nerve. d. It inserts into the median raphe at the base of the penis, compresses the prostate gland, and is innervated by the perineal branch (S2-S4) of the pudendal nerve. ANSWER BACK TO GAME Topic 5: $500 Answer Which of the following statements regarding the male external urethral sphincter is incorrect? a. It partially originates on the ischial ramus, inserts into the median raphe at the base of the penis, and compresses the bulbo-urethral glands. b. It partially originates on the ischial spine, inserts into the median raphe at the base of the penis, and compresses the greater vestibular glands. c. It inserts into the median raphe at the base of the penis and inner fibers encircling the urethra, closes the urethra, and is innervated by the pudendal nerve. d. It inserts into the median raphe at the base of the penis, compresses the prostate gland, and is innervated by the perineal branch (S2-S4) of the pudendal nerve. BACK TO GAME FINAL ROUND Question Which of the following statements regarding the superficial muscles of the vertebral column is true? a. The muscles of the iliocostalis group are innervated by cervical, thoracis, or lumbar spinal nerves. b. The splenius muscles have their insertion on the transverse processes of middle and superior cervical vertebrae. c. The action of the longissimus group includes stabilization of thoracic vertebrae in extension. d. All of the statements are true. ANSWER BACK TO GAME FINAL ROUND Answer Which of the following statements regarding the superficial muscles of the vertebral column is true? a. The muscles of the iliocostalis group are innervated by cervical, thoracis, or lumbar spinal nerves. b. The splenius muscles have their insertion on the transverse processes of middle and superior cervical vertebrae. c. The action of the longissimus group includes stabilization of thoracic vertebrae in extension. d. All of the statements are true. BACK TO GAME