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All main topics / Medicine / Anatomy

Gross: Thoracic Wall & Organs (28 Cards)

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1
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The dorsal branches of the thoracic spinal nerves provide innervation to what group of muscles?
Epaxial Muscles
2
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What spinal nerves become intercostal nerves?
Ventral branches of T1-12
3
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What muscle is located on the inner ventral wall of the thoracic cavity?
Transversus thoracis muscle
4
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The olecranon is located at what intercostal space?
5th
5
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How many pairs of asternal ribs are there and what do they form?
4 pairs
Costal arch
6
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What are the thoracic cavity boundaries?
Dorsal-Vertebral column and Longus Coli m.
Lateral-Ribs, Internal intercostal mm., and costal cartilage
Ventral- Sternum and (Transversus thoracis m.)
Caudal- Diaghragm
Cranial- Thoracic inlet
7
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What makes up the dorsal border of the thoracic inlet?
1st thoracic vertebra
Longus colli m.
8
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How far cranially does the diaphragm extend?
To the 6th or 7th rib
9
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What allows for nearly frictionless movement of lungs during breathing?
Pleura
10
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If a dog gets a puncture wound through the left thoracic cavity, what will happen to the right and left lungs and why?
The left lung will collapse due to the pressure increase.  The right lung will remain in working condition due to the mediastinum separating the two areas.
11
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Where is the cupula pleura located?
It is located at the cranial apex of each pleural sac cranial to the first rib.
12
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In what space does the accessory lobe sit in the thoracic cavity?
The mediastinal recess
13
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What forms the mediastinal recess?
The plica vena cava and mediastinum
14
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What is the junction between costal and diaphragmatic pleurae called?
The line of pleural reflection.
15
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What is the carina?
The intersection where the trachea bifurcates.
16
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How many secondary bronchi does the the right lung attach to?
4
17
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Where is the cardiac notch located in relation to the lungs?
Between cranial and middle lung lobes
18
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What can you use the cardiac notch for?
Pericardiocentisis
19
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What connects the lungs to the mediastinum and what part of the lung does it attach to?
The pulmonary ligament and caudal lobes
20
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Where do you auscltate the lungs?
Cranial part is at the 5th rib/caudal border of triceps brachii m.
Dorsal part is lateral margin of the epaxial muscles
Caudal part is the costochondral junction of 6th rib though middle of 8th rib.
21
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What does the thymus do?
Trains immunologically incompetent T-cells
22
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Sternal lymph nodes can be found near what artery?
The internal thoracic artery
23
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What lymph nodes are located near the bifurcation of the trachea and principle bronchi?
Tracheobronchial lymph nodes
24
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What structures drain from the cranial mediastinaly lymph nodes?
Structures in the mediastinum and deep muscles at the base of the neck
25
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What structures drain into the tracheobronchial lymph nodes?
Lungs
Mediastinal structures
Part of the diaphragm
26
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Where do the sternal lymph nodes receive lymph from?
Muscles of ventral chest wall
Diaphragm
Mediastinum
First three pairs of mammary glands
27
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At what point does the esophagus end?
The last thoracic vertebra
28
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In the cat, what type of muscle composes the esophagus?
Skeletal cranially
Smooth in the caudal 1/3
Flashcard set info:
Author: toncrayb
Main topic: Medicine
Topic: Anatomy
Published: 14.11.2009
Tags: Thoracic, wall, oregon
 
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