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Clinical Anatomy I > Overview of the Thorax > Flashcards

Overview of the Thorax Flashcards

1
Q

Boundaries of the thoracic cavity

A

Posterior border: Spine
Anterior border: sternum
Inferior border: diaphragm
Superior border: superior thoracic aperture

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2
Q

Components of thoracic wall

A

Skin
Subcutaneous tissue
Ribs
Intercostal muscles

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3
Q

Functions of thoracic wall

A

Protection
Respiration
Muscle attachment

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4
Q

Three types of ribs

A

True (1-7)
False (8-10)
Floating (11 &12)

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5
Q

Name landmark A

A

Superior facet

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6
Q

Name landmark B

A

Inferior facet

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7
Q

Name landmark C

A

Head

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8
Q

Name landmark D

A

Neck

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9
Q

Name landmark E

A

Costal angle

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10
Q

Name landmark H

A

Costal groove

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11
Q

Name landmark J and its two subsets

A

Tubercle: articular part, nonarticular part

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12
Q

Rib joints and their synovial classifications

A

Costovertebral: head of rib to vertebral body (plane)
Costotransverse: costal tubercle to transverse process (plane)
Sternocostal: sternum to costal cartilage (plane)

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13
Q

Name landmark A

A

Groove for subclavian vein

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14
Q

Name landmark B

A

Groove for subclavian artery

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15
Q

Name landmark F

A

Tubercle for anterior scalene

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16
Q

Name landmark A

A

Clavicular notch

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17
Q

Name landmark B

A

Jugular notch

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18
Q

Name landmark C

A

Manubrium

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19
Q

Name landmark D

A

Sternal angle (manubriosternal joint)

20
Q

Name landmark E

A

Body of sternum

21
Q

Name landmark H

A

Xiphoid process

22
Q

Name landmark I (red numbers)

A

Costal notches

23
Q

External intercostal attachments

A

from… rib to rib oriented from supero-lateral
to… infero-medial

24
Q

External intercostal actions

A

elevation of ribs

25
Q

External intercostal innervation

A

intercostal nerve (segmental)

26
Q

Internal & innermost intercostal attachments

A

from… rib to rib oriented superior-medial
to… inferior-lateral

27
Q

Internal & innermost intercostal actions

A

depression of ribs

28
Q

Internal & innermost intercostal innervation

A

intercostal nerve (segmental)

29
Q

Transversus thoracis attachments

A

from… posterior sternum
to… costal cartilages

30
Q

Transversus thoracis actions

A

depress ribs

31
Q

Transversus thoracis innervation

A

intercostal nerves (segmental)

32
Q

Diaphragm attachments

A

from… xiphoid process, inner surface of the lower ribs & costal cartilages, lumbar vertebrae via the crura
to… the central tendon

33
Q

Diaphragm actions

A

inspiration (negative thoracic pressure by inferior displacement)

34
Q

Diaphragm innervation

A

PNS: phrenic nerve
CNS: C3-5

35
Q

Rami communicans relationship to sympathetic chain ganglia and intercostal nerves (include axons)

A

White: preganglionic sympathetic axons and sensory axons
Gray: postganglionic sympathetic axons and sensory axons

36
Q

Naming convention of the intercostal nerves

A

Named for the rib they are under (which rib they inhabit the costal groove)

37
Q

Name which thoracic nerve innervates the green star (nipple)

A

T4

38
Q

Name which thoracic nerve innervates the blue star (xiphoid process)

A

T6

39
Q

Name which thoracic nerve innervates the purple star (umbilicus)

A

T10

40
Q

What types of innervation (action) does the phrenic nerve do?

A

sensory, postganglionic, and motor

41
Q

White rami communicans

A

Carry preganglionic sympathetic axons to sympathetic chain ganglia and abdominal ganglia
Sensory axons from viscera to spinal cord

42
Q

Gray rami communicans

A

Carry postganglionic sympathetic axons from the sympathetic chain to the spinal nerves for distribution through the dorsal and ventral rami
Sensory axons from the viscera to the spinal cord

43
Q

Draw thoracic arterial supply

A

Compare to drawing

44
Q

Draw thorax venous drainage

A

Compare to Drawing

45
Q

Draw thorax lymphatic drainage

A

Compare to drawing

Clinical Anatomy I (44 decks)

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