Anatomy Flashcards
Which nerve enervates the intrinsic muscles of the tongue
Hypoglossal nerve (CN XII)
List the 4 extrinsic muscles of the tongue
Genioglossus
Hyoglossus
Styloglossus
Palatoglossus
Which nerve innervates Palatoglossus
Vagus nerve
Which nerve innervates Styloglossus
Hypoglossal nerve (CN XII)
Which nerve innervates Genioglossus
Hypoglossal nerve (CN XII)
Which nerve innervates Hyoglossus
Hypoglossal nerve (CN XII)
Which nerve supplies taste sensation to anterior 2/3 of tongue
Facial nerve (CNVII)
Chorda Tympani branch
Which nerve innervates the posterior 1/3 of tongue with taste and sensation
Glossopharyngeal nerve (CN IX)
Which nerve innervates the anterior 2/3 of tongue with sensation
Trigeminal nerve (CN V)
lingual nerve branch of mandibular nerve (CN V3)l
List the 4 paranasal sinuses
Frontal
Spenoid
Ethmoidal
Maxillary
Which structure attaches the diaphragm to the fibrous pericardium
Central tendon
Which structures pass through the caval Hiatus at T8
IVC
Terminal branches of R phrenic nerve
Which structures pass through the Oesophageal Hiatus at T10
Oesophagus
Right and Left vagus nerves
Oesophageal branches of left gastric artery and vein
Which structures pass through the Aortic Hiatus at T12
Aorta
Thoracic duct
Azygous vein
Which nerve innervates sensation from the central diaphragm
Phrenic nerves
Which nerve innervates sensation from the peripheral diaphragm
Intercostal nerves
In which region of the nose do 90% of epistaxis occur
Little’s area
Which artery supplies the majority of nasal mucosa
Sphenopalatine artery
Which artery supplies the nasal septum
Greater palatine artery
Which nerve supplies smell sensation in nose
Olfactory nerve (CN I)
Which nerve supplies sensation to the nose
Ophthalmic and maxillary branches of Trigeminal nerve (CN V)
Through which structure do the paranasal sinuses drain into the nasal cavity
The Ostia
Which turbinate is the largest in the nose
The inferior turbinate
Which turbinate in nose supports olfactory epithelium
Superior turbinate
How much can the nose humidify air
95%
Which nerve needs to be blocked in axillary nerve block to avoid tourniquet pain
Musculocutaneous nerve
List the 7 nerves of the lumbar plexus L1-L5
Subcostal
Iliohypogastric (L1)
Ilioinguinal (L1)
Genitofemoral (L1, L2)
Lateral Cutaneous nerve of the thigh (L2, L3)
Obturator (L2, L3, L4)
Femoral (L2, L3, L4)
In which nerve plexus does the Sciatic nerve originate from
Lumbrosacral plexus L4 - S3
What are the boundaries of the epidural space
Superior: Fusion of 3 spinal and perinatial layers of dura mater at foramen magnum
Inferior: Sacrococcygeal membrane
Anterior: Posterior longitudinal ligament
Lateral: Pedicles and intervertebral foramina
Posterior: Ligamentum flavum
What is the narrowest part of the paediatric airway
Cricoid cartilage
Which nerve exits the skull via Optic canal
CNII optic nerve
Which nerves exit the skull via the Superior Orbital Fissure
CNIII
CNIV
CN V1
CNVI
Which nerve exits the skull via the Foramen Rotundum
CN V2
Which nerve exits the skull via the Foramen Ovale
CN V3
Which nerves exit the skull via the Foramen Spinosum
CN V3 (meningeal branch)
Which nerves exit the skull via the Internal Acoustic Meatus
CN VII
CN VIII
Which nerves exit the skull via the Jugular Foramen
CN IX
CN X
CN XI
Which nerve exits the skull via the Hypoglossal canal
CN XII
