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CPR Exam 1 > Osteology / Arthrology / Myology > Flashcards

Osteology / Arthrology / Myology Flashcards

1
Q

Which intercostal muscles head inferiorly and anteriorly from their origin?

A

External intercostal muscles

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2
Q

What kind of joint is the manubriosternal joint?

A

Symphysis

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3
Q

The costal cartilages of what ribs are associated with the costal notches of the manubrium?
Body of sternum?
Xiphoid Process?

A

1) 1st and half of 2nd
2) Half of 2nd, 3rd-6th, Half of 7th
3) Half of 7th

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4
Q

What are the two membranes associated with the intercostal muscles, and where are they located?

A

Anteriorly: Exterior (Anterior) Intercostal Membrane

Posteriorly: Interior (Posterior) Intercostal Membrane

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5
Q

Which intercostal muscles depress the ribs for exhalation?

A

Internal intercostal muscles

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6
Q

Which rib has a fibrous joint where it joins the common cartilage of the rib cage going up to the 7th rib’s insertion on the sternum?

A

The 10th rib

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7
Q

What rib has its contact in the sternal angle?

What makes up the sternal angle?

A

1) The second rib.
2) The manubrium and the body of the sternum

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8
Q

What is the other name for the floating ribs?

Which ribs are they?

A

Vertebral ribs

Ribs 11 - 12

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9
Q

What are the two permanent syndchondrosis joints we learned in this lecture?

A

Xiphisternal joint

1st Sternocostal Joint

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10
Q

What is the other name for the false ribs?

Which ribs are they?

A

Vertebrochondral

8 - 10

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11
Q

Which are the typical ribs?

A

Ribs 3 - 9

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12
Q

What is the other name for the true ribs?

Which ribs are they?

A

Vertebrocostal ribs

Ribs 1 - 7

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13
Q

What structures make up the superior thoracic aperture?

A

1st ribs

1st thoracic vertebra

Costal cartilage of the 1st rib

Superior border of the manubrium

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14
Q

Which ribs are atypical?

A

1-2 and 10-12

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15
Q

What is different about the 1st rib?

A

It has a groove for the subclavian vein (anterior) and a groove for the subclavian artery (posterior)

It has scalene tubercle.

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16
Q

What is the function of the transverse thoracic muscles?

A

Depress the rib cage

17
Q

The intraarticular ligament helps anchor which joint?

A

Costovertebral joint

18
Q

What body structure is also called the angle of louis?

A

The sternal angle

19
Q

What nerve would you hit if you place too low in a thoracentesis?

A

The collateral branch of the intercostal nerve

20
Q

What type of joints are the costochondral joints?

A

Synchondrosis

21
Q

What is different about the 2nd rib that makes it an atypical rib?

A

It has the tuberosity for the serratus anterior

22
Q

To which joint is the radiate ligament associated?

A

The costovertebral joints

23
Q

Where are chest tubes typically placed?

A

Between the 5th and 6th ribs

24
Q

What is unique about the heads of ribs 1, 10, 11, 12?

A

They all only have one articulating facet

25
Q

What structures make up the inferior thoracic aperature?

A

12th thoracic vertebra

11th / 12th ribs

Xiphisternal joint

26
Q

What is unique about the neck and tubercle of the 11th and 12th rib?

Where do these ribs attach to the sternum?

A

They don’t exist

27
Q

What movement at the costovertebral joint results in the elevation of the sternal end of the rib?

What movement at the costovertebral joint results in the elevation of the lateral most portion of the rib?

A

1) Pump handle
2) Bucket handle

28
Q

Where do the subcostal muscles span?

Where do the transverse thoracic muscles span?

A

1) Across two rib segments
2) From rib to sternum

29
Q

What does Pump handle movement at the costovertebral joint do to the thorax?

What does bucket handle movement at the costovertebral joint do to the thorax?

A

1) Increases the anterior to posterior diameter of the thorax
2) Increases the transverse diameter of thorax

30
Q

Dislocation of ribs refers to a dislocation at what joint?

Separation of ribs refers to a separation at what joint?

A

1) Sternocostal joint
2) Costochondral joint

31
Q

All five costal muscles are innervated by?

A

Intercostal n.

32
Q

What does the 6th rib articulate with?

A

The inferior costal facet of T5 and the superior costal facet of T6

33
Q

What are the most commonly fractured ribs?
At what point exactly?

A

1) Middle Ribs
2) Anterior to costal angle

34
Q

What separates the internal intercostal muscles from the innermost intercostal muscles?

A

The intercostal neurovascular bundle

35
Q

During a Thoracoscopy, where is the thoracoscope interested into for visualizing and biopsying this space?

A

Pleural cavity

CPR Exam 1 (27 decks)

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