Lecture 18 Flashcards
(30 cards)
All of the following are similarities between the trunk and the neck except:
a. Both have mixed spinal nerves
b. Both have vertebrae
c. Both have smooth muscles derived from unsegmented mesoderm
d. Both have separate epaxial and hypaxial muscle masses
C. Both have smooth muscles derived from unsegmented mesoderm (this is only characteristic of the trunk gut)
What muscle forms the incomplete floor of the mouth?
a. Omohyoid
b. Geniohyoid
c. Sternothyroid
d. Sternohyoid
B. Geniohyoid
All of the following are considered infrahyoid muscles except:
a. Thyrohyoid
b. Sternohyoid
c. Omohyoid
d. Geniohyoid
D. Geniohyoid
The infrahyoid muscles of the neck are the equivalent of what muscle(s) in the abdomen?
a. Intercostal muscles
b. Abdominal oblique muscles
c. Serratus anterior
d. Rectus abdominis
D. Rectus abdominis
This muscle goes from the transverse processes of C3-C6 and attaches to the first rib.
a. Anterior Scalene
b. Middle Scalene
c. Posterior Scalene
d. Levator Scapulae
A. Anterior scalene
This muscle goes from the transverse processes of C5-C7 and attaches to the second rib.
a. Middle Scalene
b. Posterior Scalene
c. Anterior Scalene
d. Levator Scapulae
B. Posterior Scalene
This muscle goes from the upper 3-4 cervical transverse processes and attaches to the medial corner of the scapula.
a. Levator Scapulae
b. Anterior Scalene
c. Middle Scalene
d. Posterior Scalene
A. Levator Scapulae
This muscle goes from the transverse processes of C5-C7 and attaches to the first rib.
a. Anterior Scalene
b. Posterior Scalene
c. Middle Scalene
d. Levator Scapulae
C. Middle Scalene
The anterior/middle/posterior scalenes are the equivalent of what muscles in the abdomen?
a. Serratus Anterior
b. Intercostal/Abdominal obliques
c. Rectus Abdominis
d. Rhomboids
B. Intercostals/Abdominal obliques
All of the following are considered prevertebral muscles except:
a. Rectus capitis lateralis
b. Rectus capitis anterior
c. Longus capitis
d. Anterior scalene
e. Longus colli
D. Anterior scalene
Which of the following muscles is NOT found in the muscular floor of the neck?
a. Scalenes
b. Splenius capitis
c. Sternohyoid
d. Omohyoid
C. Sternohyoid
The superior border of the anterior triangle of the neck is formed by:
a. Sternocleidomastoid
b. Midline of neck
c. Levator scapulae
d. Mandible
D. Mandible
The posterior border of the anterior triangle of the neck is formed by:
a. Midline of neck
b. Sternocleidomastoid
c. Maxilla
d. Temporal bone
B. Sternocleidomastoid (anterior border of this)
The anterior border of the anterior triangle of the neck is formed by:
a. Maxilla
b. Mandible
c. Midline of neck
d. Sternocleidomastoid
C. Midline of neck
What is the function of the anterior/posterior bellies of the digastric?
a. Close mouth
b. Elevate the mandible
c. Depress the tongue
d. Elevate the hyoid
D. Elevate the hyoid
What nerve innervates the anterior belly of the digastric?
a. CN II
b. CN IX
c. CN V3
d. CN VII
C. CN V3
What nerve innervates the posterior belly of the digastric?
a. CN VII
b. CN V3
c. CN X
d. CN IV
A. CN VII
All of the following muscles elevate the hyoid except:
a. Sternohyoid
b. Stylohyoid
c. Geniohyoid
d. Mylohyoid
A. Sternohyoid
What nerve innervates the stylohyoid?
a. CN IV
b. CN VI
c. CN VIII
d. CN VII
D. CN VII (mylohyoid; he has the same name for the nerve for both CN VII and CN V3)
What nerve innervates the mylohyoid?
a. CN V1
b. CN V2
c. CN V3
d. CN X
C. CN V3 (mylohyoid)
What nerve innervates the geniohyoid?
a. CN IV
b. CN VII
c. CN XII
d. CN X
C. CN XII
What nerve innervates the sternohyoid?
a. CN IV
b. CN VII
c. CN III
d. Ansa Cervicalis
D. Ansa Cervicalis
All of the following muscles depress the hyoid except:
a. Sternohyoid
b. Sternothyroid
c. Thyrohyoid
d. Omohyoid
A. Sternohyoid
What nerve innervates the sternothyroid?
a. Ansa cervicalis
b. CN III
c. CN VI
d. CN VII
A. Ansa cervicalis
