2-thorax

Question 1

– pairs of ribs

Answer 1

12 (favorite number!)

Question 2

Name the 3 parts of the sternum from top to bottom

Answer 2

Manubrium
Sternal body
Xiphoid process

Question 3

3 subdivisions of the thoracic cavity and what they contain

Answer 3

Mediastinum - pericardial cavity, thymus, trachea, esophagus, blood vessels

Pericardial cavity - heart

Pleural cavity - lungs

Question 4

4 components of UPPER respiratory tract

Answer 4

Sphenoidal sinus
Frontal sinus
Nasal cavity
Pharynx

Question 5

4 components of lower respiratory tract

Answer 5

Larynx (voice box)
Trachea
Bronchi
Lungs

Question 6

The – aka – connects pharynx (throat) to trachea

Answer 6

Larynx aka voice box

Question 7

The – is anterior to the esophagus (just feel your throat)

Answer 7

Trachea

Question 8

Because the – primary bronchus is wider and more vertical, foreign particles are more likely to be lodged here

Answer 8

Right primary bronchus

Question 9

The right primary bronchus divides into – secondary bronchi

Answer 9

3

Question 10

Name the lobes of the right and left lungs

Answer 10

Right : superior, middle, inferior

Left : superior, inferior

Question 11

The – nerve is anterior to the root of the lung and Innervates the diaphragm

Answer 11

Phrenic nerve - anterior

Question 12

C3 C4 C5, keep the – Alive!

Answer 12

Diaphragm

Question 13

The – nerve is posterior to the root of the lung

Answer 13

Vagus nerve

what happens in Vegas stays in vegas

Question 14

The – pleura tightly adheres to the outside of the lung (innermost serous membrane)

Answer 14

Visceral pleura

Question 15

The – of the lung rests inferiorly on the diaphragm

Answer 15

Base

Question 16

The – is the superior most portion of the lung and projects slightly superior and posterior to the clavicle

Answer 16

Apex

Question 17

The anterior, lateral and posterior lung surfaces are adjacent to the ribs and referred to as – surface

Answer 17

Costal surface - ribs

Question 18

Along the mediastinal surface of each lung is a depression called the – aka – where bronchi, pulmonary vessels, nerves pass in & out of lungs

Answer 18

Root / hilum

Question 19

The left lung is – than right lung

Answer 19

Left lung is smaller than right (there is nothing left!)

Question 20

The left lung has 2 lobes, divided by the – –

Answer 20

Oblique fissure

Question 21

Name the 2 indentations of the LEFT lung and where they are located

Answer 21

Cardiac impression - made by heart on the medial surface

Cardiac notch - anterior indented region

Question 22

The right lung has – lobes and – fissures called

Answer 22

Right lung: 3 lobes and 2 fissures (oblique & horizontal fissures)

Question 23

During inhalation, diaphragm moves –

Answer 23

Exhalation = thoracic cavity increases = diaphragm moves INFERIORly

Question 24

The – m elevates the ribs in inhalation

Answer 24

Scalene

“Scale high elevations”

Question 25

In exhalation, the ribs depress and diaphragm moves –

Answer 25

Diaphragm moves Superiorly

Question 26

Describe the 3 thoracic wall dimensional changes during respiration

Answer 26

1. Vertical - movement of diaphragm
2. Lateral - m attached to ribs
3. Anterior / posterior - m attached to ribs

Question 27

There are – thoracic vertebrae

Answer 27

12