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.