Card Set Information
How do the vessels run under the ribs superiorly to inferiorly?
Level of T3-T4 vertebral bodies
Level of the inferior border of T2 vertebral body
Level of disc between T4 & T5
Between T5-T9 vertebral bodies
Level of T10 vertebral body
Inferior Border of T9
Type of movement for elevation of the ribs in respiration?
"Bucket Handle" movement
Type of movement for elevation of sternum in respiration?
"Pump handle" movement
Boundaries of thoracic aperture? (3)
1st thoracic vertebra
1st pair of ribs
Superior border manubrium
Structures passing through superior thoracic aperture? (4)
What closes the inferior thoracic aperture?
Structures passing through inferior thoracic aperture? (3)
Inferior Vena Cava
Boundaries of inferior thoracic aperture? (4)
12th thoracic vertebra
11th & 12th ribs
Costal cartilages of ribs 7-10
Intercostal muscles for quiet breathing? (3)
Action of the subcostal muscles?
Transversus thoracis muscles perform which actions on ribs?
Ventral rami T1-T11?
Ventral rami T12?
The Azygos System drains which side of the body's venous blood?
Blood draining from the LEFT side of the body enters which vein?
Where does the Azygos V. empty?
Superior Vena Cava
3 compartments of the thoracic cavity?
(2) Pulmonary cavities - contain lungs & pleurae
(1) Mediastinum cavity - contains all other thoracic structures
T/F: The Visceral Pleura has sensory nerve fibers?
FALSE: NO sensory nerve fibers
T/F: The Parietal Pleura contains sensory nerve fibers?
What is the point of entry into the lungs?
How many lobes are in the (R) lung?
How many lobes are in the (L) lung? Why?
2 b/c of heart occupying more space on (L) side
In the (R) lung, which fissure separates the middle & inferior lobes?
In the (R) lung, which fissure separates the middle & superior lobes?
The pulmonary arteries carry what type of blood to the lungs?
The pulmonary veins carry what type of blood to the heart?
Which artery carries nutrients and oxygen to the lung tissue? Which vein drains lung tissue?
Bronchial A. & V.
At what level does the Trachea split into the (R) & (L) Main Bronchi?
Which main bronchus is more prone to pneumonia? Why?
RIGHT; more vertical
Parasympathetic innervation of thoracic cavity?
Vagus N. (CN X)
Sympathetic innervation to thoracic cavity?
Bronchoconstriction & vasodilation occurs with which system?
Bronchodilation & vasoconstriction occurs with which system?
What type of CT is the fibrous pericardium?
Dense Fibrous CT
Function of fibrous pericardium?
Resists sudden overfilling of heart
What is the inner surface of the fibrous pericardium?
Parietal layer of serous pericardium
Outer layer parietal pericardium?
Visceral layer of serous pericardium
Sensory innervation to pericardium?
3 layers of the heart from inside to outside?
Location of heart?
Between ribs 3-5 posterior to sternum
2/3 to (L) of midline; 1/3 to (R) of midline
Apex of heart?
Inferolateral part of (L) ventricle lies posterior to (L) 5th intercostal space
Base of heart primarily composed of which atrium?
Which atrium faces posteriorly toward the vertebral bodies T6-T9?
The (R) atrium receives venous blood from? (3)
Superior Vena Cava
Inferior Vena Cava
Smooth posterior part of (R) atrium?
Rough anterior part of (R) atrium?
Separates ant/post walls of (R) atrium?
Interatrial wall of (R) atrium contains this structure as remnants of the fetal Foramen Ovale?
Muscular elevations of inner wall of (R) & (L) ventricles?
Valve between (R) atrium & ventricle?
"String-like" attachments to tricuspid valve?
Which muscles attach the chordae tendineae from each cusp to the ventricle wall?
"Moderator band" of the (R) ventricle?
Which valve is between the pulmonary trunk and (R) ventricle?
Pulmonary Valve @ level of 3rd costal cartilage
(L) atrium receives oxygenated blood from where?
4 pulmonary veins from lungs
Valve between (L) atrium & ventricle?
Mitral valve (2 cusps)
Why is the (L) ventricle 2x thicker than the (R)?
B/C it has to pump blood to the rest of the body.
Valve between the (L) ventricle & ascending aorta?
1st branches of the ascending aorta that supply the myocardium & epicardium?
(R) & (L) Coronary Aa.
The (R) Coronary A. supplies what? (6)
Most of (R) ventricle
Diaphragmatic surface of (L) ventricle
Posterior 1/3 Interventricular (IV) septum
SA node (in 60% of people)
AV node (in 80% of people)
The (L) Coronary A. supplies what? (5)
Most of (L) ventricle
Part of (R) ventricle
Most of IV septum/AV bundle
SA node (in 40% of people)
Where does the venous blood drain out of the heart?
"Pacemaker" located at junction of SVC & (R) atrium?
Located at posteroinferior region of interatrial septum & distributes signal from SA node to ventricles via AV bundle?
Bridge between atrial & ventricular myocardium/(R) & (L) bundles?
T/F: Sympathetic innervation of heart increases HR & force of contraction?
T/F: Parasympathetic innervation of the heart is by the Vagus N, decreases HR/force of contraction and constricts the Coronary Aa?