Anat: Upper And lower limbs and Head Flashcards
Brodmann area for Vision? Auditory? Broca’s area? Wernicke’s area?
Visual 17 Auditory 41 42 Broca’s 44, 45 Wernicke’s 22
What cranial fossa does the accessory meningeal and V3 pass?
Foramen ovale with the lesser petrosal nerve.
What cranial fossa does the superior ophthalmic v. pass?
Superior orbital fissure with CN 3, 4, V1, and 6
What cranial fossa does the middle meningeal artery and meningeal branch of the V3 pass?
Foramen spinosum
What 6 structures pass through the jugular foramen?
Inferior petrosal sinus Sigmoid sinus Posterior meningeal artery CN 9, 10, 11
What artery travels with CN 8 and 7 in the internal acoustic meatus?
Labyrinthine artery
If CN 10 was injured what action would the tongue not be able to perform?
Elevation by the palatoglossus
What 2 veins do the anterior and posterior parts of the retromandibular vein form?
IJV with the common facial v EJV with the posterior oricular
What pharyngeal arch is phonation from CN 10?
4 and 6
The eye is up and out with CN is damaged?
CN 4
What do you call a circumscribed depression in the skull of a young child?
Pond fx
What is the weakest fossa if the base of the skull?
Middle
2nd most common fx bone of the face?
Zygomatic bibe
Which fx needs prolonged fixation? Maxillary or mandibular?
Mandibular
Which nerve is damaged in forceps delivery?
The facial nerve
What innervated the serratus anterior? What root is it from?
Long thoracic. C5-C7 roots.
Where should a burr hole be placed for the most common kind of extradural hemorrhage?
2.5-4cm above the midpoint of the zygomatic arch. MC affected anterior division of the middle meningeal artery
Intracranial hemorrhage occurring in an infant is usually from?
Great cerebral veins, straight sinus and inferior sagittal sinus
In blowout fractures: 1. Loss of sensation on the skin cheek and gum is due to violation in what structure? 2. How about limited upward gaze?
- Injury to the inraorbital nerve, a mandibular branch of V3 2. Entrapment of the superior rectus
What ganglion is responsible for the postganglionic part of the direct light reflex?
Ciliary ganglion
In examning the tympanic membrane, the external meatus should be pulled in what direction for: 1. Adults 2. Childern
- Upward and backward 2. Straight backward backward and downward
How to reduce a dislocated TMJ?
Press downard on lower molar teeth and push backward on the jaw.
In the embryology of the face, what are the 3 processes that must fuse to form the face? The 3 sensory branches of the the fifth cranial nerve, V1 V2 V3 innvervate these.
Frontonasal process Manibular process Maxillary process
Facial muscles derive from which arch?
The 2nd
Isolated cleft lip should be operated on at no later than?
2 months
What is an acute infectino of the submandibular fascial space that is usually secondary to dental infection?
Ludwig’s agina
How does one stop torrential hemorrhage from the upper limb?
Exerting downard and backward pressure on the third part of the subclavian artery against the surface of the first rib
Where does one puncture when doing an anterior approach IJV?
On the apex of the triangle formed by the 2 heads of the SCM and the clavicle. Insert needle in a downward direction.
Where does one puncture when doing an an infraclavicular approach subclavian vein catherization?
At the junction of the medial third and latera 2/3 of the clavicle. The needle is pinted toward the middle of the suprasternal notch
How does one elicit double vision with fourth nerve paralysis?
Ask the patient to look down.
Ectoderm or Entoderm? 1. Enamel of teeth 2. Lips 3. Tongue epithelium
- Ectoderm 2. Ectoderm 3. Entoderm
At what week should the two parts of the uvula be united?
11th week. Soft palate folds united by 8th week.
Frey’s syndrome presents as?
Persipiration appearing on skin covering the parotid when the patient eats. Occurs when PS auriculotemporal nerves join the distal end of the great auricular nerve.
Referred pain from frontal sinusitis refers to what part? How bout that of the maxillary sinus?
Forehead, superior orbital nerve Upper jaw, teeth, inferior orbital nerve
What sinuses do NOT drain into the middle meatus?
Sphenoidal sinus and the posterior group of the ethmoidal sinus
What kind of recurrent laryngeal nerve palsy necessitates tracheostomy?
Bilateral partial section leading to adduction of the vocal cords because abductors are more affected in a partial lesion
What is the BURP maneuver of intubation?
Backward, Upward and rightward pressure on the thyroid to realign the box of the larynx relative to the blade and the glottis.
What is the diameter of the trachea in the child?
0.5 inches 1 inch in the adult
What ligament is cut during a cricothyroidotomy?
The cricothyroid membrane
What is the preferred site for a tracheostomy?
2nd ring of the trachea where you don’t have to cut through the isthmus of the thyroid.
What is the distance from the incisor teeth to the carina?
20cm 15 cm to vocal cords
The pituitary gland originates from what structures?
The rathke’s pouch and the Infundibulum
Inferior thyroid artery is related to which nerve?
Recurrent laryngeal nerve
When does the thyroid gland reach it’s final position?
The 7th week
Where is the most common location of a thyroglossal duct cyst?
midline below the hyoid bone
