Head & neck MCQ 74+

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• Regarding thyroid gland
  ক

  Closely related to recurrent laryngeal nerve

  খ

  Moves on swallowing

  গ

  Each lobe is related anteriorly to parathyroid gland

  ঘ

  Isthmus is related at the level of thyroid cartilage

  ঙ

  Lymph from the gland drains mainly in the supra-clavicular lymph nodes
• The thyroid gland
  ক

  Contains cells which have developed from the 5th pharyngeal pouch

  খ

  Has an isthmus which overlies the 5th

  গ

  6th and 7th rings

  ঘ

  Contains poor lymphatic network

  ঙ

  Lies deep to the pretracheal fascia

  চ

  Is supplied by the recurrent laryngeal nerve running in close proximity to the superior thyroid artery
• Thyroid gland
  ক

  Is drained by the superior

  খ

  middle and inferior thyroid veins

  গ

  Is enclosed within a sheath derived from the pretracheal fascia

  ঘ

  Is situated opposite the C5 to T1 vertebra

  ঙ

  Is ectodermal in origin

  চ

  Receives arterial supply mainly from the arteria thyroidea ima
• Thyroid gland is supplied by
  ক

  Superior thyroid artery

  খ

  Arteria thyroidia ima

  গ

  Inferior thyroid artery

  ঘ

  Maxillary artery

  ঙ

  Facial artery
• In the eyelid the
  ক

  Tarsal plate is attached to the medial palpebral ligament

  খ

  Conjunctival fornix is lined by squamous epithelium

  গ

  Tarsal plate is formed of elastic cartilage

  ঘ

  Tarsal glands are modified sweat glands

  ঙ

  Posterior lining is ciliated columnar epithelium
• Thyrocervical trunk
  ক

  Sends a blood supply to the thyroid gland

  খ

  Is crossed by the phrenic nerve on the right side

  গ

  Gives the deep cervical artery

  ঘ

  Is the second branch of the subclavian artery

  ঙ

  Divides at the level of the isthmus of the thyroid gland
• The Eustachian tube
  ক

  Opens during swallowing

  খ

  Upper ⅓rd is bony while lower 2/3rd is fibrocartilagenous

  গ

  Ventilates the middle ear

  ঘ

  Is wider and horizontal in adult

  ঙ

  It ends 1 cm behind the posterior end of the inferior turbinate in oropharynx
• Inner ear includes
  ক

  Vestibules

  খ

  Bony semicircular canal

  গ

  Organ of Corti

  ঘ

  Ossicles

  ঙ

  Aditus and antrum
• In the middle ear the
  ক

  Floor overlies the jugular foramen

  খ

  Muscles attached to the ossicles are supplied by the 5th and 7th cranial nerves

  গ

  The nerve lies on the tympanic membrane in the lateral wall.

  ঘ

  Facial nerve descends through the anterior wall

  ঙ

  Foot plate of the stapes overlies the round window
• Membranous labyrinth consists of
  ক

  Duct of cochlea

  খ

  Utricle

  গ

  Semicircular canal

  ঘ

  Vestibule

  ঙ

  oval window
• Intrinsic muscles of auricle are
  ক

  Tragicus

  খ

  Helicis major

  গ

  Antitragicus

  ঘ

  Auricularis anterior

  ঙ

  Auricularis superior
• The hair cells of semicircular canals are stimulated by
  ক

  Rotational acceleration

  খ

  Linear acceleration

  গ

  Rotation at a constant velocity

  ঘ

  Cessation of rotation

  ঙ

  Changes in gravitational pull
• The hair cells of semicircular canals arestimulated by
  ক

  Rotational acceleration

  খ

  Linear acceleration

  গ

  Rotation at constant velocity

  ঘ

  Changes in gravitational pull

  ঙ

  Cessation of rotation
• Eustachian tube
  ক

  Opens during swallowing

  খ

  Balances the middle ear pressure

  গ

  Is wider and horizontal in adult

  ঘ

  Is composed of bony part at its entire length

  ঙ

  Ends l(oncm behind the posterior end of inferior turbinate in oropharynx
• Relations of external auditory canal
  ক

  Middle cranial fossa

  খ

  above

  গ

  Temporomandibular joint infront

  ঘ

  Mastoid anturm posteromedial

  ঙ

  Mastoid air cells infront

  চ

  Parotid gland behind
• Temporal bone
  ক

  Forms part of the zygomatic arch

  খ

  Forms house of middle ear

  গ

  Transmits the stylomastoid foramen

  ঘ

  Transmits the jugular canal

  ঙ

  Has mastoid air cells at birth.
• Regarding the temporomandibular joint
  ক

  Lateral ligament is taut when the jaw is elevated

  খ

  Has the chorda tympani nerve as a posterior relation

  গ

  Is related to the auriculotemporal nerve posteriorly

  ঘ

  Has the tendon of the medial pterygoid muscle attached to the fibrocartilaginous disc

  ঙ

  Contains a hyaline cartilage that divide the cavity into two compartment
• Muscles involved in opening the jaw include
  ক

  Lateral pterygoid

  খ

  Mylohyoid

  গ

  Medial pterygoid

  ঘ

  Temporalis

  ঙ

  Masseter
• The maxillary air sinus
  ক

  Opens into the middle meatus of the nose

  খ

  Is innervated by the superior alveolar nerves

  গ

  Is rudimentary at birth

  ঘ

  Contains the infraorbital nerve in its roof

  ঙ

  Is lined by the columnar non-ciliated epithelium
• The air sinuses opened into the middle meatus are
  ক

  Anterior ethmoidal

  খ

  Frontal

  গ

  Maxillary

  ঘ

  Posterior ethmoidal

  ঙ

  Sphenoidal
• Littles area of nose is
  ক

  The commonest site of epistaxis in children and young adults

  খ

  A common site of trauma

  গ

  A site of vascular anastomosis

  ঘ

  Situated anterior superior part of nasal septum

  ঙ

  Supplied by only branches of internal carotid artery
• Nasal septum destruction may occur in
  ক

  Arthritis mutilans

  খ

  Granulamatosis with polyangitits

  গ

  Sarcoidosis

  ঘ

  Psoriasis

  ঙ

  Mucocutaneous leishmaniasis
• Maxillary sinus
  ক

  Develops in intrauterine life

  খ

  Opens in the middle meatus

  গ

  Is rectangular in shape

  ঘ

  Is supplied by the vagus nerve

  ঙ

  Attains full size at adult life
• Frontonasal prominence gives rise to the
  ক

  Bridge of the nose

  খ

  Forehead

  গ

  Cheeks

  ঘ

  Chin

  ঙ

  Lateral part of the upper lip
• In movements of the larynx
  ক

  The vocalis muscle shortens the fold

  খ

  The thyroarytenoid muscle shortens the vocal folds

  গ

  Forward rotation of the thyroid on the cricoid cartilage shortens the vocal fold

  ঘ

  The posterior cricoarytenoid muscles close the vocal folds

  ঙ

  Contraction of the aryepiglotic muscles approximate the vestibular folds
• Adductors of the vocal folds are
  ক

  Cricothyroid muscle

  খ

  Lateral cricoarytenoid muscle

  গ

  Transverse arytenoid muscle

  ঘ

  Oblique arytenoid muscle

  ঙ

  Posterior cricoarytenoid muscle
• The inlet of the larynx is narrowed by the action of the
  ক

  Aryepiglottic muscle

  খ

  Oblique arytenoid muscle

  গ

  Cricothyroid muscle

  ঘ

  Posterior cricoarytenoid muscle

  ঙ

  Thyroepiglottic muscle
• The rima glottidis is closed by the action of the
  ক

  Arytenoid

  খ

  Lateral cricoarytenoid

  গ

  Cricothyroid

  ঘ

  Posterior cricoarytenoid

  ঙ

  Thyroarytenoid
• The constrictor muscles of the pharynx
  ক

  Surround each other like stacked drinking cups

  খ

  All insert into a midline raphe

  গ

  Lies anterior to the cervical vertebrae

  ঘ

  Have a cricopharyngeus part which is normally open at rest

  ঙ

  Are supplied by the recurrent laryngeal nerve
• Tonsils are supplied by following arteries
  ক

  Lingual artery

  খ

  Branch from facial artery

  গ

  Branch from maxillary artery

  ঘ

  Descending pharyngeal artery

  ঙ

  Ethmoidal artery