Anatomy Iii- Quizzes

Front 1

The fibromatosis colli is an example of which specific condition?

Back 1

Congenital torticollis

Front 2

The submental lymph nodes receive lymph from several areas. List 4 areas/structures.

Back 2

tip of the tongue, floor of the mouth, skin of the chin, mandibular incisors and their gingiva

Front 3

What is the innervation of the platysma muscle?

Back 3

cervical branch of facial nerve (CN 7)

Front 4

Name the muscles receiving innervation via the accessory/spinal accessory nerve.

Back 4

trapezius, sternocleidomastoid

Front 5

Give the length of the average adult spinal cord in centimeters.

Back 5

42-45 cm

Front 6

Name the components of a spinal nerve (2).

Back 6

ventral and dorsal roots

Front 7

In case of an epidural block, the anesthetic agent is injected into the space between what structures?

Back 7

Dura mater and vertebral column

Front 8

The dorsal root fibers arise from cell bodies located in which structure?

Back 8

dorsal root ganglion

Front 9

The purpose of the cervical plexus nerve block is to freeze structures in what body region?

Back 9

neck, pericardium, diaphragm

Front 10

The carotid sheath is made of which layers of the cervical deep fascia?

Back 10

pretracheal, prevertebral, investing layer

Front 11

The thyroid gland is located at what vertebral levels?

Back 11

C5-T1

Front 12

Which spinal nerve innervates the thyrohyoid muscle?

Back 12

C1 via hypoglossal nerve

Front 13

What is the clinical significance of the supraclavicular fossa?

Back 13

The pulse of the subclavian artery can be felt here.

Front 14

What bones form the nasal septum?

Back 14

vomer and ethmoid

Front 15

Where are the cell bodies giving rise to a spinal component of CN XI? (accessory nerve)

Back 15

rootlet arising from C1-C5 spinal cord segments

Front 16

The inferior cervical sympathetic ganglion is also known as...

Back 16

cervicothoracic ganglion

Front 17

T/F The olfactory nerve originates in the olfactory bulb.

Back 17

FALSE

Front 18

What is the physiological significance of the carotid body?

Back 18

Contains a chemoreceptor, which responds to lower O2 tensions in blood and induces appropriate reflex changes in respiration

Front 19

What type of nerve impulses are conducted by the glossopharyngeal nerve from the posterior 3rd of the tongue?

Back 19

special sensory impulses (taste)

Front 20

The vocal folds are formed by which membrane and what muscle?

Back 20

vocalis muscle
cricovocal membrane

Front 21

What external landmarks indicate the origin and termination of the internal jugular vein?

Back 21

Source: area below external acoustic meatus
Termination: T1 or behind medial end of the clavicle

Front 22

Where is the isthmus of the thyroid gland located?

Back 22

over the 2nd and 3rd tracheal rings

Front 23

In addition to other structures, which cranial nerve and vein are located in the carotid sheath?

Back 23

vagus nerve (CN10)
internal jugular vein

Front 24

A lesion involving the mandibular branch of the facial nerve results in ____________.

Back 24

drooping of the corner of the mouth

Front 25

It is expected that a lumbar puncture can be done safely at ______ levels of the vertebral column.

Back 25

L3-L4 (or L4-L5)

Front 26

What type of nerve impulses are conducted by the spinal nerves?

Back 26

sensory, motor, sympathetic

Front 27

The epidural space is located between what structures?

Back 27

dura mater and vertebral column

Front 28

What produces CSF? In which space does it circulate?

Back 28

choroid plexus in ventricles of the brain
-circulates in subarachnoid space and central canal of spinal cord

Front 29

What is the functional significance of the lumbar and cervical enlargements of the spinal cord?

Back 29

enlargement is due to the presence of lots of neurons

Front 30

Which spinal roots are found in the cauda equina?

Back 30

lumbosacral spinal nerve roots

Front 31

The dural sac extends between what anatomical landmarks? (i.e. superior and inferior landmarks)

Back 31

superior: foramen magnum at the base of the skull
inferior: S2 vertebra

Front 32

Which ones are the primary curvatures of the vertebral column?

Back 32

thoracic, sacral

Front 33

What is the main function of the anterior longitudinal ligament?

Back 33

prevents hyperextension of the back

Front 34

What are the functions of the intervertebral discs?

Back 34

cushioning between vertebrae, connects vertebrae and distributes weight

Front 35

How are the erector spinae muscles innervated?

Back 35

dorsal primary rami

Front 36

Which part of the erector spinae muscle has a component that rotates the head to the same side as the active muscle?

Back 36

longissimus

Front 37

The sphenoid sinus drains into which recess, before flowing into the superior meatus.

Back 37

sphenoethmoidal recess

Front 38

An infection in the nasal cavity can spread to the anterior cranial fossa via what structure?

Back 38

cribiform plate

Front 39

The Cranial Nerve IX conducts special sensory impulses from which part of the tongue?

Back 39

posterior 1/3rd

Front 40

The external landmarks of the internal jugular vein include:

Back 40

source: posterior to external acoustic meatus
termination: T1 or medial 1/3rd of the clavicle

Front 41

Accidental removal of parathyroid glands can produce what clinical condition?

Back 41

tetany

Front 42

Which ganglion is located in the digastric triangle of the neck?

Back 42

submandibular ganglion

Front 43

T/F The superior cervical sympathetic ganglion is located at C1-C3 and receives pre-ganglionic fibers from C1-C3 spinal nerves.

Back 43

FALSE

Front 44

What type of nerve impulses are conducted by CN1?

Back 44

special sensory (smell)

Front 45

CN XII exits the cranial cavity via which orifice?

Back 45

hypoglossal canal

Front 46

The carotid sinus is located in the wall of _____ and it detects changes in ______.

Back 46

internal carotid artery

blood pressure

Front 47

T/F The right and left common carotid arteries originate from the right and left subclavian arteries.

Back 47

FALSE

Front 48

The spinal root of CN XI arises from what specific part of the spinal cord? Which levels of the vertebral column?

Back 48

rootlets of ventral horn

C1-5

Front 49

The posterior belly of the digastric muscle is innervated by ____ nerve.

Back 49

CN VII (facial nerve)

Front 50

The _____ and _____ are terminal branches of the external carotid artery.

Back 50

superficial temporal a.

maxillary artery

Front 51

The __ forms the foundation of the larynx.

Back 51

cricoid cartilage

Front 52

What type of nerve impulses are conducted by CN X?

Back 52

sensory, motor, parasympathetic