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NWHSU Mash GA2Q1 AC

NWHSU Mash GA2Q1 Anatomy Cardiac

QuestionAnswer
Portion of the conduction system located in the wall of the right atrium near the superior vena cava SA node
Part of the conduction system known as the pacemaker SA node
Portion of the conduction system of the heart innervated by sympathetics from the left______________ AV node
_______portion of the conduction system of the heart innerevated by the left vagus nerve AV node
The SA node is located in the right atrial wall between the auricle and superior vena cava at the upper end of the _________ Crista terminalis
The AV node is located in the _________ septum near the ostium of the _________ Interatrial, Coronary sinus
Structure that transmits the right crus of the AV bundle across the right ventricular cavity Septomarginal trabeculae (moderator band)
As the left recurrent laryngeal nerve loops under the arch of the aorta, it lies IMMEDIATELY to the left of the _____ Arteriosus ligament or ligamentum arteriosum
During their course the phrenic nerves pass downward_________ to the roots of the lungs and onto the surface of the ______ before entering the diaphragm Anterior, pericardial sacs
Vein that accompanies right coronary artery around to the posterior surface of the heart Small cardiac Vein
_________vessel which accompanies the posterior interventricular vessel of the heart Middle cardiac vein
Companion vessel of the anterior interventricular artery Great cardiac vein
Smallest sized vessels, drain directly into the right atrium and other chambers Venarum minimarum
Besides the inferior and superior vena cava, name two tributaries of the right atrium Coronary sinus, Venarum minimarum, anterior cardiac veins
Specific chamber of the heart which lies against the esophagus Left atrium
Most posteriorly located chamber of the heart Left atrium
_____name given to the nipple like muscles of the ventricles Papillary muscles
Name of the cusps of the left AV valve Anterior, posterior
Name given to the string like structures that attach to the cusps of the AV valves; prevent eversion of cusps into the atria Chordae tendinae(pl) , Chordae tendinae (sg)
Name the papillary muscle of the right ventricle Septal, anterior, posterior papillary muscle
Name the cusps/valvules of the pulmonary semilunar valve Right, Left, anterior
_______Name given to the right AV valve tricuspid valve
Valve that guards the EXIT of the right ventricle Pulmonary (Pulmonary semilunar, right semilunar)
Also known as the mitral valve Bicuspid valve (left AV valve)
right ventricle of the heart is responsible for this type of circulation pulmonary circulation
Left ventricle of the heart is responsible for this type of circulation Systemic
Give the composition of the parietal pericardium Fibrous outer layer and serous inner layer
Upper smooth area of the right ventricle that guides blood to a great artery (pulmonary trunk) Conus arteriosus
Upper smooth area of the left ventricle that guides blood to a great artery Aortic vestibule
Muscles lining auricles only (also worded as "name given to ridge-like structures lining auricles") Pectinate muscles
Ridge-like muscle located in ventricles Trabeculae carnae
Name given to the entire posterior surface of heart Base
When comparing the thickness of the right ventricle to the left, one can say thath theRIGHT VENTRICLE IS.... 1/3rd as thick as the LEFT VENTRICLE
PHYSIOLOGICALLY how does blood enter the coronary arteries Recoil of the aorta
SPECIFIC name given to area where coronary arteries begin Sinus of aortic valve
Extends from superior to inferior vena cava, divides right atrium into two parts Crista terminalis
The right pulmonary a. runs______ to the _______ part of the aorta posterior, ascending
The left pulmonary artery runs_________ (ant. post) to the _____ part of the aorta anterior, descending
During its course the pulmonary trunk passes first __________ to the ascending aorta, then immediately _________ to it Anterior, Left
From proximal to distal the second branch of the arch of the aorta Left common carotid artery
The ligamentum arteriosum connects what two vessels? Left pulmonary artery and arch or aorta
Name the tributary to the left brachiocephalic v. whose right counterpart is NOT a tributary to the right brachiocephalic v. Left highest posterior intercostal
Specific artery that supplies the upper surface of the respiratory diaphragm Superior phrenic artery
Structurally define the following borders of the superior mediastinum ; a) upper, b) lateral Upper--> plane of 1st rib, Lateral ---> Pleural sacs
Using anatomical landmarks, difine the lower border of the superior mediastinum Horizontal line through the angle of the sternum, passing through the T4- T5 disk
Vein that drains the upper 2nd, 3rd, and 4th intercostal spaces Superior or Highest or superior posterior Intercostal
Besides the right ascending lumbar v. , a branch of the IVC, and the right posterior intercostals vv, name the 4 tributaries that normally drain into the azygos vein Right highest intercostal v., hemiazygos v., accessory hemiazygos v., right bronchial v.
Besides hemiazygos and posterior intercostals, give to tributaries to the azygos vein. Right subcostal v., right, highst intercostal vein., accessory himiazygos
Name two tributaries to the himiazygoes vein (do not list the ascending lumbar or branch from the left renal vein) Left subcostal vein., caudal 3-4 left posterior intercostal vein., some esophageal and mediastinal veins
The azygos vein runs superiorly, then ARCHES OVER the ______ to empty into the ________ Root of the right lung, Superior vena cava
Besides the posterior intercostals, name two PARIETAL braches of the descending thoracic aorta Subcostal a., superior phrenic a., posterior intercostal aa.
The apex of the heart points: (mark all that apply)a.) anteriorly b) posteriorly c) superiorly d.) inferiorly f.) to the left Anteriorly, inferiorly, to the left
The sternal angle marks the... all the above
Name the specific mediastinum in which each of the following is found: a) distal part of the phrenic nerves, b) aortic arch A) middle, b) superior
Name the 4 visceral branches of the descending thoracic aorta Pericardial, esophageal, bronchial, mediastinal
Normally, the specific vessel which directly drains 5,6,7, and 8 left posterior intercostal veins Accessory hemiazygos
Portion of the conduction system located in the lower part of the right atrium AV Node
Name the mediastinum in which each of the following are located a) hemiazygosPortion v. B) ascending aorta c) thoracic splanchnic d) inferior half of superior vena cava A) posterior b) middle c) posterior d) middle
Portion of aorta crossed by both Left Vagus and Left Phrenic nerves Arch
During it's course the left vagus n. passes downward ....(anterior, posterior) to the root of the left lung, then onto the anterior surface of the ...(name structure) before leaving the thorax. Posterior, esophagus
Within the substance of the lungs, branches of the pulmonary arteries anastomoses with... Providing potential collateral circulation. Bronchial a.
Draw a front view of aortic arch Draw arch, brachiocephalic, l. Common carotid, l. Subclavian
Created by: AnatomyMash