Anatomy Quizzes - Exam 2
dura mater
The ____________ is the outermost meningeal layer of the spinal cord.
digastric
The ______________ muscle, named for its two bellies, opens the mouth.
Schwann cell
The axons of the peripheral nervous system contain myelin sheaths that are made by:
circular muscle
The orbicularis oris muscle is an example of a:
rhomboid minor
Which of the following retracts the scapula?
The spinal cord is anchored to the coccyx by the filum terminale.
Which of these facts about the spinal cord is (are) correct?
pelvic
Which of these is NOT a region of the spinal cord?
sartorius
While doing yoga, Oprah noted that when she sat with her legs crossed, she felt a sharp pain in her thigh. The muscle that allows Oprah to cross her legs is called:
satellite cell
__________ are found only in the peripheral nervous system.
dorsal ganglion
The cell body of a first order neuron will be located in the:
flexion
Which action is performed by most of the muscles located on the anterior compartment of the forearm?
oligodendrocytes
Which of the following glial cells is in charge of myelinating axons in the CNS?
gastrocnemius and soleus
Which of the following muscles form the Achille's Tendon?
sternocleidomastoid
Which of the following muscles is NOT involved with moving the jaw?
spinal cord
The cell body of a second order neuron will be located in the:
e
Sensory neurons entering the spinal cord *a.* enter through the dorsal horn *b.* have their cell bodies in the dorsal root ganglia. *c.* travel through a spinal nerve *d.* synapse with an association neuron in the spinal cord. *e.* all of these
proprioceptors
All of the following nerve endings are found in the skin EXCEPT
have many nuclei
Muscle fibers differ from "typical cells" in that muscle fibers
Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius
What muscles make up the Quadriceps Femoris group?
Subarachnoid space
Where in the spinal cord is the cerebrospinal fluid located?
deltoid
Which of the following abducts the arm?
muscle to muscle
Aponeurosis connects:
biceps brachii
An important supinator muscle:
femur or coxal bone
A muscle that flexes the knee would originate on the:
cauda equina
Below L1-L2, the vertebral canal is occupied by a bundle of spinal nerve roots called the:
perineurium
The connective tissue layer that surrounds a nerve fascicle is called the
tendon
The epimysium, endomysium and perimysium come together at the end of a skeletal muscle to form a:
buccinator
The following muscle assists the tongue in keeping food between upper and lower molar teeth during mastication:
ependymal cell
The glial cell that helps to form cerebrospinal fluid is the:
microglia
The glial cells that destroy microorganisms in the CNS are:
trapezius
The largest muscle of the upper back is the:
ventral root
The motor command leaves through the:
cervical and brachial
The nerve branching off of C5 can belong to both the _________ and ________ plexuses.