Human Bio - Chapter 11 Study Guide
The largest muscle of the upper back is the _____.
Trapezius
Ejaculation results from contraction of the ______ muscle.
bulbospongiosus
The word _____ in a muscle name indicates a function related to the head.
capitis
The _____ muscle, named for its two bellies, opens the mouth.
digastric
Within a given muscle, which of these connective tissues is deepest?
endomysium
The prime mover of spinal extension is the _____.
erector spinae
Any muscle that moves the toes but whose belly is in the leg would be considered a/an _____ muscle of the foot.
extrinsic
Which of these is NOT a suprahyoid muscle?
genioglossus
As its name implies, the _____ nerve controls several muscles of the tongue.
hypoglossal
The thyrohyoid muscles attaches to the thyroid cartilage of the _____.
larynx
Which of these muscles of the pelvic floor is the deepest?
levator ani
The abdominal aponeuroses converge on a median fibrous band on the abdomen called the ___
linea alba
The rhomboid muscle depicted in figure 11.20 would be classified as _____ muscles.
parallel
The _____ produces lateral grinding movement of the jaw.
pterygoids
Which of the following muscles is an antagonist of the erector spinae?
rectus abdominis
All of the following muscles act on the vertebral column except...
serratus posterior superior
Which of these muscles is an extensor of the neck?
splenius capitis
The ____ muscle diverge like a V from the middle of the upper thorax to attachments behind the ears.
sternocleidomastoid
A muscle that aids in chewing without moving the mandible is...
the buccinator
The anterior half of the perineum is a region called the ___
urogenital triangle
