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These muscles extend inferomedially from the superior rib to an adjacent inferior rib,and are involved in elevating the ribs during inhalation.


A) Internal intercostals
B) External intercostals
C) Transversus thoracis
D) Diaphragm
E) Serratus posterior inferior

F) B) and D)
G) A) and B)

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The mentalis muscle has what action?


A) Smiling
B) Frowning
C) Pouting
D) Blowing
E) Sucking

F) B) and D)
G) C) and D)

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Which extrinsic eye muscle is innervated by the abducens nerve (CN VI) ?


A) Inferior oblique
B) Superior oblique
C) Lateral rectus
D) Medial rectus
E) Superior rectus

F) C) and E)
G) A) and B)

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What is the linea alba?


A) A round tendonlike structure attaching muscle to bone
B) A fibrous,perpendicular insertion between successive sheets or blocks of muscle
C) A flat sheet of connective tissue used for muscle insertion
D) A thin layer of muscle used to attach two other muscles together
E) A narrow,vertical,fibrous strip used to attach muscle sheaths of the left and right rectus abdominis

F) A) and B)
G) A) and E)

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