Exam 1

Question 0

Define: Aponeurosis

Answer 0

Connective tissue sheet usually connecting muscles.

Question 1

Define: Philtrum

Answer 1

Depression above lips that extends vertically from medial upper lip to medial upper nose. It is an embryological mark left from the fusion of Brachial Arches (frontal and maxillary)

Question 2

Name 4 structures found w/in the Cavernous Sinus.

Answer 2

1. Oculomotor Nerve (CN III)
2. Abducens Nerve (CN VI)
3. Trochlear Nerve (CN IV)
4. Opthalmic & Maxillary branches of the Trigeminal Nerve (V1 & V2 of CN V)
5. Carotid Artery

Question 3

The Confluence of Sinuses collects blood from 4 sinuses which are?

Answer 3

1. Superior Saggital Sinus
2. Straight Sinus
3. Occipital Sinus
4. Transverse Sinus

Question 4

Which structure, lying b/t the clinoid processes (anterior & posterior), is vulnerable to compression by a pituitary tumor?

Answer 4

Optic Nucleus

Question 5

The borders of the Anterior Cervical Triangle? (6)

Answer 5

1. Apex = Sternum
2. Base = Lower border of the mandible to mastoid processes
3. Anterior = Middle Line of the Neck
4. Posterior = Anterior border of SCM
5. Floor = Pharynx, Larynx & the Thyroid Gland
6. Roof = Skin, Superficial fascia, Platysma, Deep cervical fascia

Question 6

Submandibular Triangle: Borders (3) & Content (1)?

Answer 6

1. Anterior = Anterior Belly of the Digastric
2. Posterior = Posterior Belly of the Digastric
3. Superior = Lower border of the Mandible
   Content = Submandibular Gland

Question 7

Submental Triangle: Borders (3) & Contents (2)?

Answer 7

1. Bounded Laterally by the Anterior Belly of the Digastric
2. Superior: Lower border of the Mandible
3. Inferior: Body of the Hyoid Bone
   Contents: 1. Submental Artery & Vein
   2. Mylohyoid Muscle forms the floor

Question 8

Carotid Triangle: Border (3) & Content (1)?

Answer 8

1. Base = Posterior Belly of the Digastric
2. Anterior = Superior Belly of the Omohyoid
3. Posterior = Anterior border of SCM
   Contents: Bifurcation of the Carotid Artery

Question 9

Posterior Cervical Triangle: Borders (6)

Answer 9

1. Apex = Junction of SCM & Trapezius at the superior nuchal line of occipital bone
2. Base = Intermediate 1/3 of Clavicle
3. Anterior = Posterior border of SCM
4. Posterior = Anterior border of Trapezius
5. Floor = 5 Muscles… Splenus Capitis, Levator Scapulae, Scalenes (Anterior, middle & Posterior)
6. Roof = Skin, superficial fascia & platysma, deep cervical fascia

Question 10

Supraclavicular Triangle: Borders (3) & Contents (2)?

Answer 10

1. Anterior = Posterior border of SCM
2. Superior = Inferior belly of the Omohyoid
3. Inferior = Middle 1/3 of the Clavicle
   Contents = Subclavian Vessels, Brachial Plexus

Question 11

Pectoralis Minor inserts on the _______ of bone known as the _______.

Answer 11

Pectoralis minor inserts on the CORACOID PROCESS of the SCAPULA

Question 12

The four recti muscles of the eye attach to the _______ by insertion of their respective ________.

Answer 12

The 4 Recti muscle insert onto the SCLERA of the eye via their TENDONS

Question 13

The depression in the superior aspect of the thyroid cartilage in the midsagittal plane is the _________.

Answer 13

Thyroid Notch

Question 14

The Serratus Anterior Muscle inserts on the _____________ and is innervated by ___________.

Answer 14

Serratus Anterior muscle inserts on the MEDIAN MARGIN OF SCAPULA & is innervated by LONG THORACIC NERVE

Question 15

The _________ muscle of the eye is innervated by the Occulomotor nerve (CN III) & is responsible for the functions of ______, ________, & ________.

Answer 15

The INFERIOR OBLIQUE is innervated by CN III & is responsible for the functions of ABDUCTING, ELEVATING, & ROTATING

Question 16

The Superior Oblique originates from the ___________ & inserts specifically in the ___________.

Answer 16

TENDONIOUS RING, SCLERA

Question 17

One of the major venous structures that returns blood from the upper limb and is found b/t the deltoid & pectoralis major muscles is called the __________. This structure merges w/ veins from the head & neck and venous blood then enters the heart via the ___________________.

Answer 17

CEPHALIC VEIN, SUPERIOR VENA CAVA

Question 18

Cranial Nerves VII & VIII exit the posterior cranial fossa via an opening named the _______________.

Answer 18

INTERNAL ACOUSTIC MEATUS

Question 19

The ______________ lie b/t the cerebral hemispheres and envelopes two dural sinuses named the __________________ & the ____________.

Answer 19

FALX CEREBRI, INFERIOR & SUPERIOR SAGITTAL SINUSES

Question 20

The _____________ arteries join to form the basilar artery, which ultimately joins with the __________ to form the circle of willis.

Answer 20

VERTEBRAL, INTERNAL CAROTID ARTERY

Question 21

Describe the difference b/t Superficial & Deep Fascia

Answer 21

Superficial fascia has much more fat & less lubrication than the deep fascia. Deep fascia surrounds the muscles and structures individually but are connected in planes, which may be routes of infection

Question 22

The ___________ is the first visible upon removing the floor of the orbit.

Answer 22

FRONTAL NERVE

Question 23

The Frontal Nerve gives rise to the _____________ & _____________ nerves.

Answer 23

SUPRAORBITAL & SUPRATROCHLEAR NERVES

Question 24

The middle ___________ artery enters the skill through the _______________.

Answer 24

MENINGIAL, FORAMEN SPINOSUM

Question 25

Tears that wash across the eye are collected in the Lacrimal Puncta @ the medial angle of the eye. The fluid then drains through the ________ into the _______________.

Answer 25

CANALICULI, LACRIMAL SAC