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thorax3
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39
Anatomy
Professional
06/12/2010

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Term
The right lung has how many lobes and bronchopulmonary segments?
Definition
3 LOBES & 10 BRONCHOPULMONARY SEGMENTS
Term
What is the most common type of lung cancer?
Definition
BRONCHOGENIC CARCINOMA WHICH COMES FORM MUCUS OF LARGE BRONCHI, PANCOAST TUMOR(TUMOR @ THE APEX OF THE LUNG CAUSING TOS).
Term
Why might a Pancoast tumor present with Horner's syndrome?
Definition
Sympathetic nerve fiber injuries can result from:
Term
Where is most reactivation TB localized?
Definition
IN THE LUNGS
Term
What key structures reside in the posterior mediastinum?
Definition
ESOPHAGUS W/VAGAL PLEXUS, DESCENDING AORTA.AZYGOS AND HEMIAZYGOS VEINS,THORACIC DUCT & SYMPATHETIC TRUNK(SPLANCHNIC NERVES) -EDAHTS
Term
The superior and inferior mediastina are separated by a plane passing between which structures?
Definition
THE STERNAL ANGLE ANTERIORLY AND THE IV T4/T5 POSTERIORLY
Term
Which structure hooks around the aortic arch inferior to the ligamentum arteriosum?
Definition
LEFT RECURRENT LLARINGUIAL NERVE.
Term
The right recurrent laryngeal nerve hooks around what structure?
Definition
ARISES FROM THE RIGHT VAGUS @ THE ROOT OF THE NECK AND HOOKS AROUND THE RIGHT SUBCLAVIAN ARTERY.
Term
Which 2 veins join to form the superior vena cava?
Definition
RIGHT AND LEFT BRACHIOCEPHALIC VEINS
Term
Which 2 veins join to form the brachiocephalic vein?
Definition
SUBCLAVIAN VEIN AND INTERNAL JUGULAR VEIN
Term
What is the thoracic duct?
Definition
the largest lymph vessel in the body, beginning at the cisterna chyli at about the level of the second lumbar vertebra; the abdominal part extends superiorly to pass through the aortic opening of the diaphragm, where it becomes the thoracic part and crosses the posterior mediastinum to form the arch of the thoracic duct and discharge into the left venous angle (origin of the brachiocephalic vein).
Term
Lymph from which part of the body does not flow into the thoracic duct?
Definition
RIGHT SIDE OF THE THORAX ,RIGHT SIDE OF HEAD AND NECK AND THE RIGHT UPPER LIMB
Term
THROUGHT THE AORTIC OPENING
Definition
The thoracic duct enters the thorax by piercing which part of the diaphragm?
Term
What is located in the anterior mediastinum?
Definition
THYMUS LYMPH NODES AND FAT
Term
What are the contents of the middle mediastinum?
Definition
HEART, PERICARDIUM, ROOTS OF THE AORTA,PULMONARY ARTERIES AND VEINS, SVC &IVC, PHRENCI NERVES MAIN BRONCHI ARCH OF AZYGOS VEINS
Term
The inferior mediastinum is divided into which 3 compartments
Definition
ANTERIOR MEDIASTINUM(BET.STERNUM AND PERICARDIAL SAC)
Term
Which artery supplies the:
Definition
Upper third of the esophagus? INFERIOR THYROID ARTERY
Term
Name the 2 fissures of the right lung.
Definition
OBLIQUE AND HORIZONTAL FISSURE
Term
What is the fissure of the left lung?
Definition
OBLIQUE FISSURE
Term
Name the 3 lobes of the right lung.
Definition
UPPER, MIDDLE, & LOWER
Term
UPPER &LOWER
Definition
Name the 2 lobes of the left lung.
Term
What is the lingula?
Definition
THE TONGUE LIKE PROTUBERANCE FROM THE UPPER LOBE OF THE LEFT LUNG WHICH CORRESPONDS TO THE MIDDLE LOBE OF THE RIGHT LUNG COVERING THE HEART
Term
Where is the vagus nerve located relative to the root of the lung?
Definition
RUNS POSTERIOR TO THE ROOT OF THE LUNG
Term
How about the phrenic nerve?
Definition
RUNS ANTERIOR TO THE ROOT OF THE LUNG
Term
What are the 2 major pleurae of the lungs?
Definition
PARIETAL AND VISCERAL PLEURA
Term
What is the pleural cavity?
Definition
THE SPACE BET. THE PARIETAL AND VISERAL LAYERS OF THE PLEURA
Term
What is a pneumothorax?
Definition
THE PRESENCE OF FREE AIR OT GAS IN THE PLUERAL CAVITY
Term
Name the 4 types of parietal pleura (as designated by location).
Definition
CERVICAL PLEURA
Term
Which nerves innervate the parietal pleura?
Definition
THE COSTAL PLEURA IS INNERVATED BY THE INTERCOSTAL NERVES AND THE MEDIASTINAL PLEURA IS INNERVATED BY THE PHRENIC NERVE
Term
The bronchi and pulmonary connective tissue receive oxygenated blood from which arteries?
Definition
THE BRONCHIAL ARTERIES
Term
Describe the 3 main components of the azygos venous system.
Definition
AZYGOS VEIN IN THE RIGHT SIDE AND THE SUPERIOR AND INFERIOR HEMIAZYGOS VEINS ON THE LEFT WHICH JOIN THE AZYGOS VEIN
Term
What is coarctation of the aorta?
Definition
A CONGENTIAL NARROWING OF THE AORTA DISTAL OF THE LEFT SUBCLAVIAN ARTERY. ITS PRESENTS WITH HIGHER BLOOD PRESSURE IN THE UPPER LIMBS. IT RESULTS IN THE INTERCOSTAL ARTERIES GIVING COLLATERAL CIRCULATION BETWEEN INTERNAL THORACIC ARTERY AND THORACIC AORTA
Term
In coarctation of aorta why notching of ribs is common?
Definition
BECAUSE OF SERRATED APPEARANCE OF THE INFERIOR BORDERS OF THE RIBS IN XRAYS.
Term
Where and how do you perform thoracocentesis for pleural effusion?
Definition
THORACOCENTESIS IS PERFORMED AT THE 7TH -9TH ICS MAL 1-2 ICS BELOW THE FLUID LEVEL OR @ 2ND ICS MCL FOR AIR ONLY BY INSERTING A NEEDLE IN THE INTERCOSTAL SPACE CLOSE TO THE UPPER BORDER.
Term
Following a complicated sternal puncture at the level of manubrium sternum, a patient developed hemothorax. Which vessel was likely punctured?
Definition
BRACHIOCEPHALIC ARTERY.
Term
Why might an apical cancer of lung present with partial drooping of eyelid and anhydrosis of face?
Definition
BECAUSE THE TUMOR CAN GROW AND CAUSE TOS CONSTRICTING VESSLES IN THE NECK CAUSING PTOSIS Why there could be pain in the little finger?ULNAR NERVE IS COMPRESSED.
Term
Enlargement of which structures are the most likely cause of the mediastinal widening in the patient with pneumonia?
Definition
THE BRONCHOMEDIASTINAL LYMPH NODES
Term
In which part of respiratory system the swallowed foreign body is most likely to be found?
Definition
THE RIGHT PRIMARY BRONCHUS AND PASS INTO THE MIDDLE OR LOWER LOBE BRONCHI
Term
After a stab wound of chest wall where is the possible place of abnormal air accumulation?
Definition
IN THE PLEURAL CAVITY
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