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Correct Answer- B Ans. B i.e. Terminal pulp space infection a painful abscess of the deep tissues of the palmar surface of the fingertip that is typically caused by bacterial infection (as with a staphylococcus) and is marked by swelling and pain
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Correct Answer -D Nucleus involved in Papez circuit is anterior nucleus of thalamus. Ref: Review of Medical Physiology by William ganong, 22nd Edition, Page 256
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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
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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)
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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
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Correct Answer - A
Portal vein
THE HEPATOBILIARY TRIANGLE OR CYSTOHEPATIC TRIANGLE OR CALOT'S TRIANGLE:
Boundaries:
Common hepatic duct medially
Cystic duct laterally
Inferior surface of liver superiorly
Contents:
Cystic artery
Right hepatic artery
Lymph node of Lund
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Correct Answer - B
Ans. is 'b' i.e., Trochlear notch
Inner surface of olecranon process forms trochlear notch for
articulation of trochlea of humerus.
Radial notch is seen in lateral part of upper end of shaft (not on
olecronon).
Olecranon fossa and coronoid fossa are part of lower end of
humerus.
@anatomyvideoss
Correct Answer - B
Ans. is 'b' i.e., Lower border of T4
Trachea bifurcates at carina, at the level of lower border of T, or T4 -
T5 disc space.
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Correct Answer-A Diaphragmatic hernias are of various types. The most common is a posterolateral (Bochdalek) hernia, which occurs as a result of a defect in the posterior diaphragm in the region of the tenth or eleventh ribs.
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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.
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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.
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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
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Correct Answer - B
B i.e. Medial pterygoid
Temporalis, messeter and lateral pterygoid musclesQ are supplied
by anterior division of mandibular nerve whereas medial pterygoid
muscleQ is supplied by the main trunk of mandibular nerve
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Correct Answer - C
Ans. is 'c' i.e., Cricopharynx
Inferior constrictor muscle has two parts :-
(i) Thyropharyngeous with oblique fibres, and
(ii) Cricopharyngeous
with transverse fibres.
Between these two parts of inferior constrictor exists a potential gap
called Killan's dehiscence. It is also called the gateway to tear as
perforation can occur at this site during esophagoscopy. It is also the site for herniation of pharyngeal mucosa in case of pharyngeal
pouch.
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Correct Answer - A
Ans. is 'a' i.e., Towards metaphysis [Ref Textbook of general
anatomy p. 80]
Nutrient artery
It enters the middle of the shaft through a nutrient foramen, runs
obliquely through the cortex, and then divides into ascending and
desending branches that run towards metaphysis.
Each branch subdivides into a number of smaller parallel vessels
which enter the metaphysis and form hair-pin loops.
The loops anostomose with epiphyseal,metaphyseal and periosteal arteries.
Therefore, metaphysis is the most vascular zone of the long bone.
The nutrient artery supplies the medullary cavity and inner-two third of cortical bone of diaphysis and metaphysis
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Correct Answer - A
Ans. is 'a' i.e., Caudate lobe
Epiploic foramen (foramen of Winslow or aditus to lesser sac) is a slit-like opening through which lesser sac communicates with greater sac.
It is situated at the level of T12 vertebra.
Its boundaries are:-
Anterior:- Right free margin of lesser omentum (contains portal vein, hepatic artery proper and bile duct).
Posterior:- IVC, right suprarenal gland and T12 vertebra.
Superior:- Caudate lobe of the liver.
Inferior:- 1st part of the duodenum and horizontal part of the hepatic
artery
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Correct Answer - D
Ans. is 'd' i.e., IV
The gall bladder lies on the inferior surface of the liver closely
related to segment IV or the quadrate lobe.
Anatomically liver is divided into a large right lobe and a small left
lobe by line of attachment of falciform ligament (anterosuperiorly), fissure for ligamentum teres (inferiorly), and fissure for ligamentum
venosum (posteriorly).
Right lobe is much larger and forms five sixth of liver and left lobe forms only one sixth.
Caudate lobe and quadrate lobe are parts of anatomical right lobe.
The physiological left lobe is composed of 4 segments designated Ito IV and is supplied by left branch of hepatic artery, left branch of portal vein and drained by left hepatic duct.
The physiological right lobe consists of segment V, VI, VII and VIII and is supplied by right hepatic artery, right branch of portal vein and drained by right hepatic duct
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