DAA -- Unit 3 (Weeks 8-10)

Which of the following statements are true regarding the trigeminal nerve? (MARK ALL CORRECT ANSWERS) A. The V2 (maxillary division) of the trigeminal nerve passes through the foramen rotundum. B. The trigeminal nerve Innervates the medial pterygoid muscle. C. The V3 (mandibular division) of the trigeminal nerve passes through the foramen ovale. D. The trigeminal nerve is also called the facial nerve.

A. The V2 (maxillary division) of the trigeminal nerve passes through the foramen rotundum. B. The trigeminal nerve Innervates the medial pterygoid muscle. C. The V3 (mandibular division) of the trigeminal nerve passes through the foramen ovale.

When a preganglionic axon enters the sympathetic chain, it can _______. (MARK ALL CORRECT ANSWERS) A. ascend to synapse with a postganglionic neuron in another ganglion B. synapse with a postganglionic neuron at the level it entered the chain C. pass through the sympathetic chain without synapsing there D. descend to synapse with a postganglionic neuron in another ganglion

A. ascend to synapse with a postganglionic neuron in another ganglion B. synapse with a postganglionic neuron at the level it entered the chain C. pass through the sympathetic chain without synapsing there D. descend to synapse with a postganglionic neuron in another ganglion

Which of the following are body responses to sympathetic stimulation? (MARK ALL CORRECT ANSWERS) A. diaphoresis B. piloerection C. mydriasis D. miosis E. constriction of bronchi (bronchoconstriction)

A. diaphoresis B. piloerection C. mydriasis

Which of the following statements about the white rami communicantes is true? A. they are found at every vertebral level throughout the spinal cord B. they are carrying both sympathetic and parasympathetic fibers C. a preganglionic sympathetic fiber can be found here going from the spinal cord to the sympathetic chain D. a preganglionic sympathetic fiber can be found here going from the sympathetic chain to the spinal cord

C. a preganglionic sympathetic fiber can be found here going from the spinal cord to the sympathetic chain

When comparing the sympathetic nervous system to the parasympathetic nervous system, which of the following characteristics are true regarding the parasympathetic nervous sytem? (MARK ALL CORRECT ANSWERS) A. typically long-lasting effects B. effects are more global/body wide C. typically short-lived effects D. typically highly localized control over effectors

C. typically short-lived effects D. typically highly localized control over effectors

Nerve roots that contribute to ansa cervicalis?

C1-3

What nerve roots contribute to greater auricular nerve?

C2,3

What nerve roots contribute to the supraclavicular nerves?

C3,4

What nerve roots contribute to axillary nerve

C5,6

What nerve roots contribute to lower subscapular nerve

C5,6

What nerve roots contribute to suprascapular nerve

C5,6

What nerve roots contribute to lateral pectoral nerve

C5,6,7

What nerve roots contribute to long thoracic nerve

C5,6,7

What nerve roots contribute to musculocutaneous nerve

C5,6,7

What nerve roots contribute to brachial plexus

C5-T1

What nerve roots contribute to radial nerve

C5-T1

What nerve roots contribute to median nerve

C6,7,8,T1

The spinal nerve that exits the vertebral column between the C7 and T1 vertebral levels is the ______ spinal nerve.

C8

What nerve roots contribute to Ulnar nerve

C8,T1

What nerve passes throgh cribiform plates of ethmoid bone?

CNI (olfactory)

Structural divisions of the nervous system

CNS and PNS

What nerve carries special sensory fibers for hearing and equilibrium

CNVIII (vestibularcochlear)

Which of the following statements about the gray rami communicantes is true? A. a preganglionic sympathetic fiber can be found here going from the spinal cord to the sympathetic chain B. they are found at the T1 to L2 vertebral levels only C. they are carrying both sympathetic and parasympathetic fibers D. a postganglionic sympathetic fiber can be found here going from the sympathetic chain back to the spinal nerve

D. a postganglionic sympathetic fiber can be found here going from the sympathetic chain back to the spinal nerve

Which of the following are body responses to parasympathetic stimulation? (MARK ALL CORRECT ANSWERS) A. diaphoresis B. piloerection C. mydriasis D. miosis E. constriction of bronchi (bronchoconstriction)

D. miosis E. constriction of bronchi (bronchoconstriction)

Which of the following statements are true regarding splanchnic nerves? A. they carry parasympathetic fibers B. they carry both GVE and GSE fibers C. they carry fibers from the brain to the terminal ganglia D. they carry fibers from the sympathetic chain to the prevertebral ganglia

D. they carry fibers from the sympathetic chain to the prevertebral ganglia

Fiber type associated with sensory from skin, bones, and joints?

GSA

Fiber type associated with motor to skeletal muscle.

GSE

Fiber type associated with sensory from viscera and blood vessels?

GVA

Fiber types associated with motor to smooth muscle, cardiac muscle, and glands

GVE

What nerve roots contribute to genitofemoral nerve

L1,2

What nerve roots contribute to lumbar plexus

L1-4

Nerve roots that contribute to lateral femoral cutaneous nerve of the thigh?

L2,3

What nerve roots contribute to femoral plexus

L2,3,4

What nerve roots contribute to obturator

L2,3,4

What nerve roots contribute to common peroneal nerve

L4,5,S1,2

What nerve roots contribute to tibial nerve

L4,5,S1,2,3

Nerve roots that contribute to inferior gluteal nerve?

L5,S1,2

The cutaneous branch of the musculocutaneous nerve that innervates the skin of the lateral forearm is the ________ __________ cutaneous nerve

lateral antebrachial

Adult derivatives of hindbrain

medulla, pons, cerebellum, 4th ventricle

Parts of the brain stem

midbrain, pons, medulla oblongata

The 3 major events during the neuronal developmental process are proliferation, differentiation, and _________.

migration

The nervous tissue structure called the spinal _______ is the structure present at the junction of the dorsal root and ventral root.

nerve

Neurons that develop from _______ _______ _______ become sensory neurons (GSA, GVA).

neural crest cells

A collection of cell bodies within the central nervous system (CNS) is known as a _________.

nuclei

Multipolar GVE preganglionic neuron cell bodies associated with the parasympathetic nervous system are located in _______ in the brain stem and in sacral segments of the spinal cord from S2-S4.

nuclei

The ______ nervous system is also called the craniosacral division of the autonomic nervous system.

parasympathetic

Where are the cell bodies of postganglionic sympathetic fibers found?

paravertebral or prevertebral ganglia

Parasympathetic fibers synapsing at the otic ganglion innervate the _______.

parotid salivary gland

The ______ make up the lateral borders of the vertebral (neural) canal.

pedicles

The cervical plexus nerve that carries sensory innervation from the pericardium is the ________ nerve.

phrenic

The meningeal ramus (recurrent meningeal nerve) of a spinal nerve innervates the _____ aspect of an IVD.

posterior

The recurrent meningeal nerve innervates the _____ longitudinal ligament.

posterior

Parasympathetic fibers synapsing at the ciliary ganglion innervate the _______.

pupil and intrinsic smooth muscles of the eye

The cutaneous branch of the femoral nerve that innervates the skin of the medial leg, ankle, and foot is the __________ nerve.

saphenous

Ascending tracts of spinal cord are ____ tracts

sensory

Functional divisions of nervous system

somatic and visceral (autonomic)

Parasympathetic fibers synapsing at the submandibular ganglion innervate the _______.

submandibular and sublingual salivary glands

The shallow grooves in the cerebrum are known as _______.

sulci

Names of the trunks of brachial plexus

superior, middle, inferior

The ______ nervous system is also called the thoracolumbar division of the autonomic nervous system.

sympathetic

Parasympathetic fibers synapsing at the terminal ganglia (or intramural ganglia) associated with cranial nerve (CN) X innervate the _______.

thoracic and abdominal viscera

Innervates skin over anterior neck

transverse cervical nerve

T/F All spinal nerves have gray rami communicantes.

true

T/F In the vertebral column the dura mater is not fused to bone.

true

T/F The superior and inferior gluteal nerves do not have cutaneous branches.

true

GVE fibers develop from the lateral regions of the neural _____.

tube

The basal plate of the developing embryo eventually becomes the _______ gray horn.

ventral

Intrinsic (epaxial) muscles of the back are innervated by the _____ ramus of a spinal nerve.

dorsal

The alar plate of the developing embryo eventually becomes the _______ gray horn.

dorsal

A collection of cell bodies outside of the central nervous system (CNS) is known as a _________.

ganglia

The outer portion (cortex) of the brain is composed of tissue known as _________ matter.

gray

The thick elevations in the cerebrum are known as _______.

gyri

The 3 main functons of the nervous system are sensory input, motor output, and _________.

integration

Parasympathetic fibers synapsing at the pterygopalatine ganglion innervate the _______.

lacrimal gland

Multipolar GVE neurons associated with the sympathetic nervous system are located in the _______ gray horn of the spinal cord.

lateral

There are _____ pairs of cranial nerves.

12

There are _____ pairs of spinal nerves.

31

The cerebral aqueduct connects the _______________.

3rd ventricle to 4th ventricle

When comparing the sympathetic nervous system to the parasympathetic nervous system, which of the following characteristics are true regarding the parasympathetic nervous sytem? (MARK ALL CORRECT ANSWERS) A. it does not innervate the skin or the extremities B. fibers can synapse in terminal ganglia C. fibers can synapse in paravertebral ganglia and/or prevertebral ganglia D. long preganglionic fibers, and short postganglionic fibers E. short preganglionic fibers, and long postganglionic fibers

A. it does not innervate the skin or the extremities B. fibers can synapse in terminal ganglia D. long preganglionic fibers, and short postganglionic fibers

Which of the following make up the posterior border of the vertebral (neural) canal? (MARK ALL CORRECT ANSWERS) A. the ligamentum flavum B. vertebral body C. the posterior longitudinal ligament D. laminae E. IVD

A. the ligamentum flavum D. laminae

When comparing the sympathetic nervous system to the parasympathetic nervous system, which of the following characteristics are true regarding the sympathetic nervous sytem? (MARK ALL CORRECT ANSWERS) A. typically long-lasting effects B. effects are more global/body wide C. typically short-lived effects D. typically highly localized control over effectors

A. typically long-lasting effects B. effects are more global/body wide

When comparing the sympathetic nervous system to the parasympathetic nervous system, which of the following characteristics are true regarding the sympathetic nervous sytem? (MARK ALL CORRECT ANSWERS) A. fibers can synapse in terminal ganglia B. fibers can synapse in paravertebral ganglia and/or prevertebral ganglia C. short preganglionic fibers, and long postganglionic fibers D. it does not innervate the skin or the extremities E. long preganglionic fibers, and short postganglionic fibers

B. fibers can synapse in paravertebral ganglia and/or prevertebral ganglia C. short preganglionic fibers, and long postganglionic fibers

Which of the following is true regarding GVE fibers? A. they carry mechanoreception signals to the CNS B. they provide motor innervation to smooth muscle, cardiac muscle, and glands C. they carry chemoreception signals to the CNS D. they develop from neural crest cells

B. they provide motor innervation to smooth muscle, cardiac muscle, and glands

Nerve roots that contribute to Pudendal nerve.

S2,3,4

The dural sac ends at ________.

S2-S3

What fiber type carries sensory information from eyes and ears?

SSA

Fiber type carrying motor signals to SCM and trapezius

SVE (BE)

The spinal nerve that exits the vertebral column between the T1 and T2 vertebral levels is the ______ spinal nerve.

T1

The area of skin supplied by a single spinal cord level (spinal segment), or by a single pair of spinal nerves is known as a ___________.

dermatome

In regard to the terms afferent and efferent, the term used to describe a sensory neuron is _______.

afferent

motor branches of cervical plexus

ansa cervicalis and phrenic nerve

Developing nerve cells in the ________ region of the neural tube become somatic motor neurons (GSE).

anterior

components of the central nervous system

brain and spinal cord

Structural components of a neuron

cell body, dendrites, axon

Adult derivatives of forebrain

cerebral hemispheres, thalami, lateral ventricles, 3rd ventricle

A structure known as the _______ plexus produces CSF.

choroid

Components of Peripheral Nervous System (PNS)

cranial nerves, spinal nerves, and ganglia

GVA fibers develop from neural _____ cells.

crest

The ligaments that help to suspend the spinal cord within the dural sac are known as the _________ ligaments.

dentriculate