A&P Chapter 11

The _____ muscle, named for its two bellies, opens the mouth

Digastric

The thyrohyoid muscle attaches to the thyroid cartilage of the

Larynx

The abdominal aponeuroses converge on a median fibrous band on the abdomen called the ___

Linea alba

The _____ muscle diverge like a V from the middle of the upper thorax to the attachments behind the ears

Sternocleidomastoid

The largest muscle of the upper back is the

Trapezius

The anterior half of the perineum is a region called the ___

Urogenital triangle

All of the following muscles act on the vertebral column except a. The serratus posterior superior b. the iliocostalis thoracis c. the longissimus thoracis d. the spinalis thoracis e. the multifidus

a

The _____ produce(s) lateral grinding movements of the jaw a. pterygoids b. temporalis c. hyoglossus d. zygomaticus major and minor e. risorius

a

Which of these is not a suprahyoid muscle? a/ genioglossus b. geniohyoid c. stylohyoid d. mylohyoid e. digastric

a

Which of the following muscles is an antagonist of the erector spinae? a. semispinalis thoracis b. rectus abdominis c. quadratus lumborum d. trapezius e. splenius capitis

b

Ejaculation results from contraction of the ____ muscle

bulbospongiosus

A muscle that aids in chewing without moving the mandible is a. the temporalis b. the mentalis c. the buccinator d. the levator anguli oris e. the splenius cervicis

c

The word _____ in a muscle name indicates a function related to the head a. cervicis b. carpi c. capitis d. hallucis e. teres

c

Which of these muscles is an extensor of the neck? a. external oblique b. sternocleidomastoid c. splenius capitis d. iliocostalis e. latissimus dorsi

c

The rhomboid muscles depicted in figure 11.20 would be classified as _____ muscles. a. fusiform b. bipennate c. unipennate d. parallel e. triangular

d

Which of these muscles of the pelvic floor is the deepest? a. superficial transverse perineal b. bulbospongiosus c. ischiocavernosus d. deep trasverse perineal e. levatori ani

e

Within a given muscle, which of these connective tissues is deepest? a. fascicle b. aponeurosis c. perimysium d. epimysium e. endomysium

e

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

As its name implies, the ____ nerve controls several muscles of the tongue

hypoglossal