a)
Describe the mediastinum and its boundaries.
The region betweenthe two pleural cavities, also contains the thymus, esophagus, andtrachea.
b)
Use the identify tool to label the sructures in the diagram belowc)Right common carotid arteryd)Brachiocephalic arterye)Right Brachiocephalic veinf)Ascending Aortag)Superior vena cavah)Interior of paricardial saci)Auricle of right atrium j)Right Atrium k)Diaphram l)Left common carotid artery m)Left subclavian arteryn)Left Brachiocephalic veino)Left vagus nerve p)Arch of aortaq)Pulmonary trunkr)Auricle of left atrium s)Left Ventriclet)Right Ventricleu)Apex of heart3) What is the name of the small conical muscular pouch that projects to the left from the right atrium and overlaps …show more content…
Left & Right Conus Artery
y)
What is the name of the vein passing along the inferior portionof the right ventricle?
Right Marginal Vein
z)
What is the name of the vein beginning at the apex of the heartand ascending in the anterior interventricular groove with theanterior interventricular artery?
Great cardiac vein.
Exercise 6.31) Label the following diagramsaa)Auricle of right atrium bb)Right Atrium cc)Anterior cusp of tricuspid valvedd)Anterior papillary muscleee)Right Ventricleff)Right cusp of pulmonary valvegg)Conus anteriosushh)Septal papillary muscleii)Chordae tendineaejj)Posterior papillary musclekk)Trabeculae carneae
ll)
What are the names of the four chambers of the heart?
RightAtrium, Right Ventricle, Left Atrium, Left Ventricle.
mm)
As you view the heart-cut section image, which ventricle,right or left, has the thicker walls?
The Left Ventricle.
nn)
What is the physiological significance of the difference inthickness?
The right ventricle does not need to push very hardto push blood through the pulmonary circuit and therefore isthinner then the …show more content…
Exercise 6.71) Label the following diagrams bbbb)Right cusp of pulmonary valvecccc)Auricle of right atrium dddd)Septal cusp of the tricuspid valve - anterioreeee)Posterior cusp of tricuspid ffff)Conus arteriosusgggg)Anterior cusp of tricuspid valvehhhh)Septomarginal trabeculaiiii)Anterior papillary muscle - right ventriclejjjj)Myocardium of right ventricle
kkkk)
What do the letters AV represent when describing the mitraland/or tricuspid valves, and how do the letters AV indicateheart valve location?
Atrioventricular Valve: Between theatrium and ventricle
llll)
What specific role does the tricuspid valve serve?
Preventsbackflow of blood to the right atrium.
mmmm)Septal defects:
nnnn)
What is an interatrial septal defect?
Openings in theatrial septum (muscles seperating the atria's)
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What is a ventricular septal defect (VSD)?
Openings in theventricular septum (muscles seperating the ventricles)
pppp)
What are the consequences of a VSD?
Blood will flow fromthe left atrium into the right atrium rather than the