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Year 1 Anatomy > Anatomy Of The Thorax > Flashcards

Anatomy Of The Thorax Flashcards

1
Q

What is the manubriosternal joint attached to?

A

The second costal cartilage

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2
Q

What lies behind the sternal angle?

A

The bifurcation of the trachea

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3
Q

What is the thoracic inlet formed by?

A

T1, rib 1 and the manubrium of the sternum

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4
Q

Why should the needle used to drain a pneumothorax be inserted just above the superior border of a lower rib?

A

This is to avoid the neurovascular bundle which runs in the costal groove on the inferior side of the ribs

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5
Q

What is the usual number of vertebrae in the spine of an adult?

A

33

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6
Q

How many cervical vertebrae are there?

A

7

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7
Q

How many thoracic vertebrae are there?

A

12

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8
Q

How many lumbar vertebrae are there?

A

5

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9
Q

How many sacral vertebrae are there?

A

5

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10
Q

How many coccygeal vertebrae are there?

A

4

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11
Q

What is the main muscle used during quiet inspiration?

A

Diaphragm

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12
Q

What main muscles are used during quiet expiration?

A

None this is achieved by the elastic properties of the lung tissue

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13
Q

What vessels do the intercostal arteries (arising from branches of the aorta) anastomose with?

A

The internal thoracic artery

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14
Q

From what vessels does the azygos vein arise from?

A

The right ascending lumbar and right sub costal vein

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15
Q

At what vertebral level does the aorta cross the diaphragm?

A

T12

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16
Q

What does the left coronary artery commonly branch to form?

A

The circumflex and anterior interventricular arteries

17
Q

From what vertebral levels does the phrenic nerve arise from?

A

C3, C4, C5

18
Q

Where does the vagus nerve arise from?

A

Cranial nerve 10

19
Q

Where would you place the diaphragm to auscultate the mitral valve?

A

Left 5th intercostal space near the mid clavicular line

20
Q

At what vertebral level does the thoracic duct begin?

A

L2

Year 1 Anatomy (2 decks)

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