Anterior mediastinum, pericardial cavity, heart, coronary vessels

Question 1

contents of anterior mediastinum

Answer 1

The thymus gland

Question 2

the thymus gland location and function

Answer 2

• Immune system
• Posterior to manubrium
• Anterior to percardial sac
in anterior mediastinum

Question 3

how does the thymus gland change

Answer 3

gradually regresses after puberty

Question 4

contents of middle mediastinum

Answer 4

• Pericardium
• Heart
• Origins of the great
vessels

Question 5

external fibroserous pericardium is attached to

Answer 5

1. Great Vessels
2. Central Tendon of Diaphragm
3. Sternum (Sternopericardial
   ligament)
4. Parietal layer of serous
   pericardium

Question 6

internal serous pericardium has 2 layers

Answer 6

2 layers: Parietal & visceral

Question 7

what does the parietal layer of the serous pericardium line

Answer 7

lines the fibrous pericardium

Question 8

what does the visceral layer of the serous pericardium line

Answer 8

lines the heart - epicardium

Question 9

layers of fibrous pericardium and serous pericardium from outer to inner layer

Answer 9

fibrous pericardium
parietal serous pericardium
visceral serous pericardium

Question 10

what is the name of the fluid between the parietal and visceral layer of the serous pericardium

Answer 10

pericardial cavity - contains pericardial fluid and facilitates gliding movements

Question 11

transverse sinus

Answer 11

lies posterior to aorta and pulmonary trunk and anterior to the
superior vena cava

Question 12

oblique sinus

Answer 12

reflection surrounding veins

Question 13

what does the costal cartilage of rib II articulate with

Answer 13

sternum

Question 14

what is the superior mediastinum separated from

Answer 14

inferior mediastinum

Question 15

the sound of the first lub is the sound of the

Answer 15

closure of the mitral and tricuspid valve

Question 16

the sound of the second dub is the sound of …

Answer 16

the closure of the aortic and pulmonary valves

Question 17

apex beat

Answer 17

the lowest and most lateral point on the chest wall where you can feel the heart beating
Normally in the 5th left - intercostal space

Question 18

great cardiac vein path

Answer 18

Apex of the heart -> ant. interventricular sulcus -> coronary sulcus ->
enlarges to form coronary sinus -> right atrium

Question 19

middle cardiac vein path

Answer 19

• Apex of the heart -> posterior interventricular sulcus -> coronary sulcus

Question 20

small cardiac vein

Answer 20

Lower ant section of coronary sulcus between RA and RV -> coronary
sulcus

Question 21

posterior cardiac vien

Answer 21

• Lies on posterior surface of LV just to the left of middle cardiac vein ->
join great cardiac vein or enter the coronary sulcus

Question 22

anterior veins of Right ventricle ->

Answer 22

anterior wall of RA

Question 23

veins of thebasius ->

Answer 23

drain directly into cardiac chambers