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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
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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
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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
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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
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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
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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
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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.
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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.
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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
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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.
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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
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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.
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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
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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
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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
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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.
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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
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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.
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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
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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.
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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.
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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
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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.
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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
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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.
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