Wednesday, April 22, 2009

31 - Facial nerve subdivisions and functions

Subdivisions and Functions of the Facial Nerve.


Facial Nerve Subdivision Function
Branchial motor Muscles of facial expression
  Posterior belly of digastric muscle
  Stylohyoid muscle
  Stapedius muscle
Visceral motor Salivation—lacrimal, submandibular, and sublingual
  Nasal mucosa or mucous membrane
General sensory Sensory to auricular concha
  External auditory canal
  Tympanic membrane
Special sensory Chorda tympani nerve—taste to anterior two-thirds of the tongue


Monday, April 20, 2009

30 - PGI Chandigarh December 2002 Anatomy Mcqs with answers

1q: which of the following are draining channels of cavernous sinus ?
a. inferior petrosal sinus
b. inferior ophthalmic vein
c. sphenoparietal sinus
d. middle cerebral vein
e. superior ophthalmic vein




2q: Recurrent laryngeal nerve has the following course in neck ?
a. it passes anterior to inferior thyroid artery
b. it passes through sternomastoid
c. it passes between branches of inferior thyroid vessels
d. it passes posterior to inferior thyroid vessels
e. it is superficial to inferior constrictor muscle




3q: blood supply of lungs are ?
a. pulmonary artery
b. pulmonary vein
c. bronchial artery
d. intercostal artery
e. internal thoracic artery




4q: true statements about esophageal hiatus are ?
a. lies between two crura of diaphragm
b. lies at the level of D12 vertebra
c. vagus nerve passes through it
d. lie in right crura of diaphragm
e. thoracic duct passes through it




5q: blood supply of great toe are ?
a. dorsalis pedis artery
b. lateral plantar artery
c. metacarpal artery
d. posterior tibial artery
e. medial plantar artery




6q: median nerve injury at elbow affects ?
a. adduction of the thumb
b. flexion at DIP joints of 2nd finger
c. flexion of PIP of third finger
d. flexion at 1st and 2nd DP fingers
e. flexion of MCP joints except thumbs




7q: at the time of birth which of the following ossification centres are seen ?
a. lower end of femur
b. upper end of humerus
c. calcaneum
d. upper end of tibia
e. head of humerus




8q: primordial germ cells develop from ?
a. neural crest
b. splanchnic mesoderm
c. genital ridge
d. yolk sac
e. somatic mesoderm




9q: blood supply of little’s area are ?
a. greater palatine artery
b. septal branch of superior labial artery
c. anterior ethmoidal artery
d. septal branch of sphenopalatine artery
e. nasal branch of sphenopalatine artery


Monday, April 6, 2009

29 - AIIMS November 2004 anatomy mcqs with answers

1q: a posteriorly perforating ulcer in the pyloric antrum of the stomach is likely to produce initial localized peritonitis or abscess formation in the ?


a. greater sac
b. left subhepatic and hepatorenal spaces ( pouch of Morrison )
c. omental bursa
d. right subphrenic space




2q: knowledge of the segmental cutaneous innervation of the skin of the lower extremity is important in determining the level of the intervertebral disk disease . thus S1 nerve root irritation will result in pain located along the ?


a. anterior aspect of the thigh
b. medial aspect of the thigh
c. anteromedial aspect of the leg
d. lateral side of foot




3q: which one of the following extraocular muscles is served by a contralateral brain stem nucleus ?


a. superior rectus
b. medial rectus
c. inferior oblique
d. inferior rectus




4q: all of the following are characteristic of a bronchopulmonary segment except ?


a. it is surgically resectable
b. it is named according to the segmental bronchus supplying it
c. it is drained by intersegmental branch of pulmonary vein
d. it is the largest subdivision of a lobe




5q: injury to the common peroneal nerve at the lateral aspect of head of fibula results in all of the following except ?


a. weakness of ankle dorsi-flexion
b. foot drop
c. loss of ankle reflex
d. sensory impairment on lateral aspect of leg extending to the dorsum of foot




6q: the mesentery of small intestine, along its attachment to the posterior abdominal wall, crosses all of the following structures except ?


a. left gonadal vessels
b. third part of duodenum
c. aorta
d. right ureter




7q: venous drainage from neurohypophysis is routed through all of the following except ?


a. portal vessels to adenohypophysis
b. superior hypophyseal veins to ventricular tanycytes
c. inferior hypophyseal veins to dural venous sinuses
d. capillaries to median eminence and hypothalamus




8q: all of the following muscles undergo paralysis after injury to C5 and C6 spinal nerves except ?


a. biceps
b. coracobrachialis
c. brachialis
d. brachioradialis




9q: a 59 year old man complains of recurrent attacks of pain in the region of left shoulder radiating to sternum and the pit of stomach . the attacks of pain came at lengthy intervals until the last two days when it became continuous . the physician diagnosed it as angina pectoris . in this case the pain pathway from the heart is carried by ?


a. superior cervical cardiac nerve
b. middle and inferior cervical cardiac nerve
c. thoracic splanchnic nerve
d. vagus

28 - AIIMS November 2005 anatomy mcqs with answers

1q: all of the following statements about the splenic artery are true except that it ?


a. has a tortuous course
b. is a branch of coeliac trunk
c. has branches that anastomose freely within spleen
d. supplies the greater curvature of stomach




2q: which of the following among axillary lymph nodes is a terminal group ?


a. pectoral
b. central
c. lateral
d. apical




3q: the vertebral artery traverses all of the following except ?


a. foramen magnum
b. subarachnoid space
c. intervertebral foramen
d. foramen transversorium




4q: all of the following structures pass through the superior aperture of thorax except ?


a. right recurrent laryngeal nerve
b. left common carotid artery
c. left sympathetic trunk
d. thoracic duct




5q: all of the following statements about the vagus nerve are true except that it ?


a. supplies heart and lung
b. carries postganglionic parasympathetic fibers
c. innervates right two third of transverse colon
d. stimulates peristalsis and relaxes sphincters




6q: the narrowest part of the ureter is at the ?


a. uretero - pelvic junction
b. hiac vessel crossing
c. pelvic ureter
d. uretero – vesical junction


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