ANAPHY 3-E Flashcards

1
Q

main function of the bony thorax

A

serve as an expandable,
bellows-like chamber

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2
Q

the interior capacity expands and
contracts during inspiration and expiration, respectively.

A

Bony Thorax

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3
Q

The bony thorax consists of the

A

sternum, thoracic vertebrae, and 12 pairs of rib

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4
Q

protects important
organs of the respiratory system and vital structures within the
mediastinum, such as the heart and great vessels.

A

bony thorax

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5
Q

common site for marrow biopsy

A

sternum

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6
Q

a thin, narrow, flat bone with three divisions

A

sternum

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6
Q

It is composed of highly vascular cancellous tissue covered by a
thin layer of compact bone.

A

sternum

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6
Q

The total length of the adult sternum
is approximately

A

7 inches (18 cm).

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7
Q

The adult manubrium averages

A

2 inches,
or 5 cm, in length.

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7
Q

upper part of sternum is called

A

manubrium

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8
Q

The longest part of the sternum is the

A

body,

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9
Q

the body of sternum is about

A

4 inches or 1 cm

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10
Q

The union of the four segments of the body
begins during puberty and may not be complete until about the
age of

A

25 years

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11
Q

xiphoid process corresponds to the level of

A

T9-T10.

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11
Q

The most inferior portion of the sternum is th

A

xiphoid process

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11
Q

xiphoid process does not become totally ossified until about the age of

12
Q

The uppermost border of the manubrium is easy to palpate and is
called the

A

jugular notch/ suprasternal or manubrial notch,

13
Q

The sternal angle is at
the level of the disk space between

A

T4 and T5 for

14
Q

Each clavicle articulates with the
manubrium laterally at the clavicular notch on each side and is called the

A

sternoclavicular joint

15
Q

The anterior ribs do not unite directly with the sternum but do
so with a short piece of cartilage termed

A

costocartilage

16
Q

The first seven pairs of ribs are considered

17
Q

What do you call to the last five pairs of ribs, numbered 8, 9, 10,
11, and 12.

18
Q

The last__pairs of false ribs are unique in that they do not
possess costocartilage.

19
Q

NOTE

A

Ribs 1 to 7 are termed true ribs and connect directly
to the sternum. The last five pairs of ribs, 8 to 12, are termed
false ribs. The last two pairs of ribs, 11 and 12, which are also
false ribs, are termed floating ribs because they are not connected
anteriorly.

20
posterior or vertebral end of a typical ris is ___
3-5 inches higher than anteriois or sternal end
21
This inside margin, which contains the blood vessels and nerves, is termed the
costal groove.