Closing or puckering the lips is the action of the _____ muscle
A. auricularis
B. orbicularis oris
C. orbicularis oculi
D. levator anguli oris
E. zygomaticus
B
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To separate the middle and ring fingers in a "V" shape (as in the "Vulcan greeting" on the Star Trek series) requires the actions of the ________ muscles of the hand.
Fill in the blank(s) with the appropriate word(s).
Which white matter fibers connect adjacent gyri?
A) association fibers B) arcuate fibers C) commissural fibers D) projection fibers E) longitudinal fasciculi fibers
Which of the following structures is NOT part of the external ear?
A. Auricle B. Tympanic cavity C. Pinna D. External acoustic meatus E. All of these structures are parts of the external ear.
Each of these muscles can flex the vertebral column except the
a. external oblique. b. transversus abdominis. c. spinalis. d. internal oblique.