Anatomy- heart and blood vessels Flashcards
where do the coronary vessels lie?
a. between the right atrium and right ventricle
b. between the left atrium and left ventricle
b. between the left atrium and right atrium
a. between the left ventricle and right ventricle
a.between the right atrium and right ventricle
what makes up most of the anterior surface of the heart?
a. left ventricle
b. left atrium
c. right atrium
d. right ventricle
d.right ventricle
what makes up most of the posterior surface of the heart?
a. left ventricle
b. left atrium
c. right atrium
d. right ventricle
d.right ventricle
what lies above the left ventricle on the post surface/
a. aorta
b. vena cava
c. pulmonary veins
d. pulmonary trunk
c.pulmonary veins
what lies above the right ventricle on the ant surface/
a. aorta
b. vena cava
c. pulmonary veins
d. pulmonary trunk
d.pul trunk
what structure actd as a fibrous sac surrounding the heart?
a. fibrous pericardium
b. myocardium
c. parietal layer of serous pericardium
d. visceral layer of serous pericardium
e. endocardium
a.fibrous pericardium
from external to internal what is the correct order of layers
a. fibrous pericardium myocardium parietal layer of serous pericardium visceral layer of serous pericardium endocardium
b. fibrous pericardium parietal layer of serous pericardium visceral layer of serous pericardium (epicardium) myocardium endocardium
c.visceral layer of serous pericardium (epicardium) myocardium endocardium fibrous pericardium parietal layer of serous pericardium
b. fibrous pericardium parietal layer of serous pericardium visceral layer of serous pericardium (epicardium) myocardium endocardium
what do the serous pericardium enclose?
a. synovial fluid
b. pericardium
c. pericardial space
d. myocardium
c.pericardial space
where is the parietal pericardium found?
a. lining the myocardium as part of the epicardium
b. lining the internal surface of the fibrous pericardium
b. lining the external surface of the fibrous pericardium
a. lining the myocardium as part of the endocardium
b.lining the internal surface of the fibrous pericardium
where is the visceral pericardium found?
a. lining the myocardium as part of the epicardium
b. lining the internal surface of the fibrous pericardium
b. lining the external surface of the fibrous pericardium
a. lining the myocardium as part of the endocardium
a.lining the myocardium as part of the epicardium
which layer of the heart wall is made up of a simple squamous epithelium?
a. fibrous pericardium
b. myocardium
c. parietal layer of serous pericardium
d. visceral layer of serous pericardium
e. endocardium
d.visceral layer of serous pericardium
which layer of the heart wall is made up of a loose CT and adipose tissue containing the coronary vessels and nerves supplying the heart?
a. fibrous pericardium
b. myocardium
c. parietal layer of serous pericardium
d. visceral layer of serous pericardium
e. subepicardium
e. subepicardium
what is the thickest layer of the heart wall ?
a. fibrous pericardium
b. myocardium
c. parietal layer of serous pericardium
d. visceral layer of serous pericardium
b.myocardium
what is the myocardium made up of?
a. coronary vessels and nerves adipose tissue and loose CT
a. bundles and layers of cardiac muscle cells
b. smooth inner lining of endothelial cells
a.bundles and layers of cardiac muscle cells
what layer of the heart wall is made up of a smooth inner lining of endothelial cells?
a. fibrous pericardium
b. myocardium
c. parietal layer of serous pericardium
d. visceral layer of serous pericardium
e. endocardium
e. endocardium
what layer of the heart wall is made up of loose ct containing small BV and branches of the conducting system of the heart?
a. fibrous pericardium
b. myocardium
c. subendocardium
d. visceral layer of serous pericardium
e. subepicardium
c.subendocardium
What structure connects AV valves to papillary muscles on the ventricular floor?
a. coronary vessels
b. cordae tendinaea
c. ligamentum flavum
b.cordae tendinaea
from ant to post what is the correct order of valves
a. tricuspid +bicuspid, aortic,pulmonary
b. aortic,pulmonary, tricuspid +bicuspid
c. pulmonary, tricuspid, aortic, bicuspid
a.tricuspid +bicuspid, aortic,pulmonary
what structure is located in the wall of the superior vena cava and right atrium deep to the epicardium?
a. SAN
b. AVN
c. coronary artery
d. right circumflex artery
a.SAN
in which layer of the heart wall is the SAN found?
a. fibrous pericardium
b. myocardium
c. parietal layer of serous pericardium
d. visceral layer of serous pericardium
e. subepicardium
e.subepicardium
what is the SAN made up of?
a. nerve fibres
b. neurovasculature
c. specialised cardiac muscle fibres
c.specialised cardiac muscle fibres
true or false the SAN has its own blood supply?
true
what does the SAN cause?
a. atrial contraction
b. ventricular contraction
a.atrial contraction
where is the AV node located
a. wall of svc and right atrium
b. septum between atria
c. spetum between ventricles
b.septum between atria
what does the Bundle of His enter before dividing into 2 branches of purkinje fibres?
a. interatrial spetum
b. interventricular septum
b.interventricular septum