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CVR > CVR 1 > Flashcards

CVR 1 Flashcards

1
Q

Where most things happen in the chest?

A

2nd costal cartilage, angle of louie

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2
Q

What is at the back of the mediastinum?

A

Left ventricle

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3
Q

Base of breasts go from…

A

2nd to the 6th

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4
Q

How many lobes are there

A

Right - 3 lobes (horizontal fissure)

Left - 2 lobes

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5
Q

What ribs form the costal margin

A

VIII-XII (false ribs)

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6
Q

Where does the head of the rib insert

A

between vertebrae

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7
Q

Name the important parts of the vertebra

A

superior articular process

costal facet of transverse process

Superior costal facet

inferior articular process

Body

Disc

demifacets (articulate with rib

facet for articulation with tubercle of rib

spinous process

lamina

pedicle

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8
Q

Important landmarks of the rib

A

tubercle

head

neck

angle

costal groove

Articular facet

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9
Q

1st rib parts

A

scalene tubercle

Grooves

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10
Q

Parts of sternum

A

aticular for clavicle

articular for rib 1

articular demifacets of rib 2

artic facets of 3-6

artic facets of rib 7

xiphoid porcess

sternal angle

manubrium of sternum

jugular notch

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11
Q

What are the false ribs

A

floating ribs 8-12

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12
Q

the rib articulates with the spine where

A

seat the costotransverse joints and intra articular ligament

Also superior costotransverse ligament

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13
Q

Movements of inspiration

A

diaphragm descends

elevation of lateral aspect of ribs

sternum moves forward in inspiration

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14
Q

Superior to inferior order of intercostal vessels

A

intercostal verin artery nerve inferior to upper rib.
Superior to rib below is collateral branches.

These are sandwiched between innermost layer of intercostal muscle internal.

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15
Q

Arteries of ribs

A

anterior and posterior intercostals

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16
Q

Veins of the thoracic cavity

A

left brachiocephalic is fed by acessory hemiazygos vein and hemiazygos vein

17
Q

In a cross section of the thorax go through the layers till the intercostal nerves

A

Serratus anterior is superficial to external intercostal muscles then internal intercostal muscle then innermost intercostal muscle then finally ventral ramus. Follow it laterally to internal and innermost where it changes to intercostal nerve.

18
Q

What supplies sensory innervation of the skin in the lateral portion of body wall?

A

Anterior cutaneous nerves from sensory portion of intercostal nerve. Also parietal pleura is innervated by IC nerve giving off sensory nerves somatic sensory (skin)

19
Q

Which intercostal nerve supplies T7 dermatome

A

T7

20
Q

Where does the APR originate of:
T1
T2
T7-12

A

T1 - brachial plexus
T2 - intercostal N
T7-12 - abdomen and thorax

21
Q

What is between the internal and innermost intercostals muscles

A

APR

22
Q

Which artery descends bilaterally down the sternum from the subclavian arteries?

A

internal thoracic artery

23
Q

Two big branches bifurcating from the SVC

A

left and right brachiocephalic vein which are in turn fed by hemiazygos veins draining from intercostal veins

24
Q

Important lymph nodes of the thorax

A

intercostal, parasternal, diaphragmatic.

25
Q

Sections of the inferior mediastinum

A

anterior, middle, posterior.

26
Q

What demarcates inferior and superior mediastinum

A

T4 sternal angle

27
Q

Describe the rib

A

The typical rib consists of a head, neck and body:

The head is wedge shaped, and has two articular facets separated by a wedge of bone. One facet articulates with the numerically corresponding vertebrae, and the other articulates with the vertebrae above.

The neck contains no bony prominences, but simply connects the head with the body. Where the neck meets the body there is a roughed tubercle, with a facet for articulation with the transverse process of the corresponding vertebrae.

The body, or shaft of the rib is flat and curved. The internal surface of the shaft has a groove for the neurovascular supply of the thorax, protecting the vessels and nerves from damage.

28
Q

Describe rib 1

A

Rib 1 is shorter and wider than the other ribs. It only has one facet on its head for articulation with its corresponding vertebrae (there isn’t a thoracic vertebrae above it). The superior surface is marked by two grooves, which make way for the subclavian vessels.

29
Q

Name the lobes of the lung?

A

Superior - apical anterior posterior
Middle - lateral medial
Inferior - anteior medial lateral posterior (basal)

Superior - apico posterior, anterior, superior lingular, inferior lungular
Inferior - anteromedial basal, posterior basal, lateral basal

CVR (43 decks)

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