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PLE Anatomy > Thorax > Flashcards

Thorax Flashcards

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1
Q

A large ridge attached at its ends to the septal and anterior ventricular walls of the right ventricle. It also conveys within it the right branch of the AV bundle.

A

Moderate Band

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2
Q

Structure formed from the fused first ganglion of the sympathetic trunk with the inferior cervical ganglion

A

Stellate ganglion

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3
Q

Greater splanchnic nerve arises from

A

5th to 9th ganglia

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4
Q

Lesser splanchnic nerve arises from

A

10th and 11th ganglia

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5
Q

Drains lymph from the medial quadrant of breast, deep structures of anterior thoracic and abdominal walls, and upper surface of liver

A

Internal Thoracic Nodes

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6
Q

Drains lymph from the intercostal spaces and breast

A

Intercostal Nodes

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7
Q

Drains lymph from the thyroid and pericardium

A

Brachiocephalic Nodes

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8
Q

Drains lymph from the esophagus, pericardium, and diaphragmatic nodes

A

Posterior Mediastinal Nodes

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9
Q

Drains lymph from the lungs, trachea, and heart

A

Tracheobronchial Nodes

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10
Q

Three constrictions of the esophagus

A
  1. Where it begins,
  2. where it is crossed by the left main bronchus and aortic arch on anterior surface
  3. where it pierces the diaphragm
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11
Q

Arrangement of intercostal vessels and nerves below the ribs, in descending order

A

Vein
Artery
Nerve

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12
Q

Lower border of the lungs and pleura

A

Lungs Pleura
6th rib 8th midclavicular
8th rib 10th midaxillary
10th rib 12th side of vertebral column

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13
Q

Anterior and posterior border of pericardium

A

Anterior - 2nd to 6th costal cartilage

Posterior - 5th to 8th thoracic vertebrae

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14
Q

Part of pericardium attached to sternum, great blood vessels, and diaphragm

A

Fibrous pericardium

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15
Q

This is divided into parietal and visceral pericardium

A

Serous pericardium

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16
Q

Normal volume of pericardial fluid

A

50 mL

17
Q

Nerve supply of the pericardium

A

Fibrous + Parietal Serous - phrenic nerve

Visceral Serous - Sympathetic trunk and vagus

18
Q

Nerve supply of the diaphragm. Include roots please

A

Phrenic Nerve (C3-C5)

19
Q

Blood supply of the thymus

A

Inferior thyroid artery

Internal throracic artery

20
Q

Location of thymus in the mediastinum

A

Superior Mediastinum. Sometimes anterior

21
Q

Contents of the posterior mediastinum

A

Esophagus, thoracic duct, sympathetic trunks

22
Q

Small accessory muscles of inspiration found at the back of the chest wall

A

Levator Costarum

23
Q

Differentiate the main bronchi (width, length, and verticalness)

A

Right is wider, shorter, and more vertical

Left is narrower, longer, and more horizontal

24
Q

Which main bronchi gives off the superior lobar bronchus before entering the hilum?

A

Right

25
Q

Which main bronchus passes below the arch of the aorta and in front of the esophagus?

A

Left

26
Q

The central tendon of the diaphragm lies behind which structure?

A

Xiphisternal joint

27
Q

The summit of the right and left domes of the diaphragm in midrespiratory position reach which structure?

A

Right - upper border of 5th rib

Left - lower border of 5th rib

28
Q

Which recurrent laryngeal nerve enters the thorax?

A

Left

29
Q

Landmark for doing pericardiocentesis, and why?

A

Left ofxiphoid process (Left subcostal angle)

Cardiac notch is here, so no pleura and lung

30
Q

Branches of the right coronary artery and structures supplied

A

Right conus artery - anterior pulmonary conus, upper anterior wall of RV
Anterior Ventricular - as named
Marginal - anterior RV
Posterior Ventricular - diapraghmatic surface of RV
Posterior Descending (Interventricular) - RV, LV, posterior septum, AV Node
Atrial branches - RA, SA Node

31
Q

Branches of the left coronary artery and structures supplied

A

Anterior Descending (interventricular) - RV, LV, anterior septum
Under this: Left diagonal (LV), left conus - pulmonary conus
Circumflex -
Under this: Marginal (Left margin of LV, Apex), Anterior Ventricular and Posterior Ventricular (LV), Atrial (LA)

32
Q

Drains lymph from the lateral quadrant of the breast

A

Anterior axillary or pectoral nodes

PLE Anatomy (8 decks)

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