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47 Cards in this Set

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The thorax protects ? And aids in?

Organs of the thorax and aids in respiration

The thorax consists of?

Thoracic vertebrae (T1-T12)


Sternum (manubrium, body, xiphoid)


Ribs


Intercostal spaces (area b/w ribs)


Costal cartilages

T


S ???


R


I


C

Manubrium articulates with ? And ?

Articulates with first two pair of ribs and clavicles (SC joints)

Jugular notch is located at ?

T2-T3 at the superior border of the manubrium

Sternal angle is at ?

T4-T5

The body of the manubrium articulates with ribs ?

Ribs 3-7

What is the xiphoid process a site for?

A site for muscle attachments

How many pairs of ribs?

12

Ribs consists of?

Head


Neck


Tubercle


Body

H


N


T


B

Facets of the head of the ribs articulate with ? At ?

Vertebral bodies at costovertebral joints

Facets of tubercles articulate with ? At ?

Costotransverse joints

Which are:



True Ribs?



False Ribs?



Floating ribs?

True 1-7



False 8-10



Floating 11-12

The true ribs are connected to

Connected directly to the sternum

False ribs are connected to?

Costal cartilage of the 7th rib

Floating ribs are connected to?

Only connect to thoracic vertebrae

The Thoracic Inlet allows for passage of ? ? And ?



From ? Into ?

Nerves, vessels, viscera



From neck into thoracic cavity

N, V, V

Thoracic inlet aka superior aperature is formed by:

- First thoracic vertebrae



-First pair of ribs/costal cartilages



-Manubrium

Thoracic outlet aka Inferior aperature is formed by?

12th thoracic vertebrae



12th pair of ribs/costal margins



Xiphoid sternal junctions

What are the 2 pleural cavities of the Thorax?

Parietal Pleura - outer layer



Visceral Pleura - inner Layer

Which of the thoracic pleura covers thoracic wall and diaphragm

Parietal pleura - outer

Which of the pleural cavities covers lobes of lungs and fissures

Visceral pleura

What do bothe pleural cavities secrete?

Pleural fluid for lubrication

Expansion spaces for the lungs during respiration?



Anterior?



Inferior?

Anterior -costomediastinal



Inferior - costodiaphragmatic


The apex of the lungs is located?

Slightly above 1st rib

The Base of the lungs is aka

Diaphragmatic surface

What are the Angles of the Lungs?


Lateral - costophrenic Sulcus



Medial angle - cardiophrenic sulcus

Both Located at the base of lungs

How many lobes does the right lung have?

3 lobes (superior, middle, inferior)

How many lobes does the left lung have?

2 Lobes (superior, inferior)

Name the fissures of the lobes of the lungs

Right horizontal


Right oblique


Left oblique

Where is the cardiac notch of the lungs located?

Left lung, large indentation, medial

In the lungs what is the tongue like projection from Inferior Anterior surface called?

Lingula

What is the Hilum **

Opening for Bronchi, Blood Vessels, Lymph Vessels, and Nerves to enter and exit

B


B


L


N

The Trachea bifurcates at ?

T5 (Carina)

Which mainstem bronchus is Shorter and Wider?



Why?

Right mainstem bronchus Shorter and Wider for 3 Lobes

How many times do bronchioles divide?

23 times

Where do exchange of gasses take place?

Alveoli

The large indentation on the medial surface of the left lung is termed the ?

Cardiac Notch

I'm the tertiary/segmental bronchi extend to the segments of the lobes ? Times per lung



T/F



Each segment is functionally independent and can be removed surgically

10 times



True

What is the space between the 2 pleural cavities of the lungs?

Mediastinum

The mediastinum extends from ?

Superior thoracic aperature to diaphragm

The mediastinum is bordered by ? Anteriorly and ? Posteriorly

Sternum



Thoracic vertebrae

The Superior compartment of the mediastinum contains ?

Thymus Gland

The inferior compartment of the mediastinum is divided into anterior, middle, and posterior.



The middle compartment contains??

Pericardial Sac



Heart



Roots of the great vessels

P


H


R

What does the mediastinum contain?

Lymph nodes


Esophagus


Great Vessels


Thymus


Trachea


Thoracic Duct


Heart


Nerves

LENGTTTH N

Where is the Thymus Gland located?

Located in the superior mediastinum behind the manubrium

What is the thymus gland for?

Site where T-cells mature

In the thymus gland what are the T-cells responsible for?



Thymus gland is largest in children ages ? And gets ? With age

Cell mediated immunity



Ages 5-7 and gets smaller with age