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Maximum contribution to the floor of orbit is by:
Anonymous Quiz
42%
a) Maxillary
34%
b) Zygomatic
18%
c) Sphenoid
6%
d) Palatine
Structures passing through Calot's triangle are all EXCEPT:
Anonymous Quiz
37%
a) Portal vein
18%
b) Cystic artery
19%
c) Right hepatic artery
26%
d) Lymph node of Lund
Anatomy embryology histology videos & books
Maximum contribution to the floor of orbit is by:
Correct Answer -A Ans. A. Maxillary The maxillae are the largest of the facial bones, other than the mandible, and jointly form the whole of the upper jaw. Each bone forms the greater part of the floor and lateral wall of the nasal cavity, and of the floor of the orbit "Orbital surface of maxilla is smooth and triangular, and forms most of the floor of the orbit" Also know: Maxilla is also the most commonly fractured bone of orbital floor. • The floor (inferior wall) is formed by the orbital surface of maxilla, the orbital surface of Zygomatic bone and the orbital process of palatine bone • The seven bones that articulate to the orbit are Frontal bone ). Lacrimal bone 3. Ethmoid bone I. Z ygomatic bone 5. Maxillary bone Palatine bone Sphenoid bone
Anatomy embryology histology videos & books
Structures passing through Calot's triangle are all EXCEPT:
Correct Answer- A Portal vein THE HEPATOBILIARY TRIANGLE OR CYSTOHEPATIC TRIANGLE OR CALOT'S TRIANGLE: Boundaries: Common hepatic duct medially Cystic duct inferiorly Inferior surface of liver superiorly Contents: Cystic artery Right hepatic artery Lymph node of Lund
Anatomy embryology histology videos & books
9. Postganglionic fibres to parotid gland is supplied by?
Correct Answer - B Preganglionic nerves travel in the lesser petrosal branch of the glossopharyngeal nerve and synapse in the otic ganglion. Postganglionic fibers reach the gland via the auriculotemporal nerve. Nerve supply of parotid gland Innervation of the salivary gland is as follows:- Parasympathetic (secretomotor) They reach the gland through auriculotemporal nerve as the following route:- Preganglionic fibers - Originate in the inferior salivary nucleus; pass through glossopharyngeal nerve; its tympanic branch; tympanic plexus, and lesser petrosal nerve. Relay ganglion:- Otic ganglion Postganglionic fibers:- Pass through the auriculotemporal nerve to reach the gland. Sympathetic (Vasomotor) Derived from the plexus around the middle meningeal artery. Sensory: derived from the auriculotemporal nerve, except for parotid fascia and overlying skin which are innervated by the great auricular nerve(c2, c3)
13. A patient has a herniated intervertebral disc impinging on the right C5 nerve roots. Which of the following movements would most likely be affected?
Anonymous Quiz
14%
a) Extension of the fingers
45%
b) Extension of the shoulder
32%
c) Flexion of the elbow
8%
d) Flexion of the wrist
Anatomy embryology histology videos & books
13. A patient has a herniated intervertebral disc impinging on the right C5 nerve roots. Which of the following movements would most likely be affected?
Correct Answer -C C5 helps mediate flexion, abduction, and lateral rotation of the shoulder, and flexion of the elbow. Both C5 and C6 mediate extension of the elbow. m Extension of the fingers is mediated by C7 and 8. Extension of the shoulder is mediated by C7 and 8. m Flexion of the wrist is mediated by C6 and 7.
Anatomy embryology histology videos & books
Vascular sign of Narath is noticed in
Correct Answer - C C i.e. Posterior dislocation of hip • Vascular sign of narath is positive in posterior dislocation of hip joint. Due to posterior dislocation, the hip joint falls on the femoral artery, and this causes feeble or absent femoral pulse
Anatomy embryology histology videos & books
Which among the following is NOT a branch of Arch of Aorta?
Correct Answer - B The arch of the aorta begins at the level of the upper border of the second sternocostal articulation of the right side. The branches given off from the arch of the aorta are three in number: the brachiocephalic artery (innominate), the left common carotid, and the left subclavian. Brachiocephalic Artery is the largest branch of the arch of the aorta. It divides into the right common carotid and right subclavian arteries.
Forwarded from Community Medicine
Composition of soda lime is:
NaOH- Ca (OH)2 - KOH - Moisture
Anonymous Quiz
13%
a) 4% - 90% - 1% - 5%
39%
b) 4% - 80% - 1% - 15%
37%
c) 80% - 10% - 5% - 5%
11%
d) 15% - 80% - 1% - 4%
2025/07/03 16:50:01
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