Pericardium and heart MCQ 18+

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• The coronary sulcus
  ক

  Partially encircles the heart

  খ

  Contains coronary sinus

  গ

  Marks the location of annulus fibrosus

  ঘ

  Has a vertical orientation behind the sternum

  ঙ

  Runs diagonally along the sternocostal surface
• Right ventricle
  ক

  Has tricuspid valve in its inflow tract

  খ

  Develops from sinus venosus

  গ

  Is normally oval in cross section

  ঘ

  Contains two papillary muscle

  ঙ

  Forms most of the diaphragmatic surface of the heart
• Left ventricle of heart
  ক

  Is three times as thick as the wall of right ventricle

  খ

  Is divided into the left ventricle proper and aortic vestibule

  গ

  Has a round cavity in cross section

  ঘ

  Forms two third of the sternocostal surface of the heart

  ঙ

  Has lower systolic pressure than aortic systolic pressure
• Regarding fibrous pericardium
  ক

  Phrenic nerve supplies fibrous pericardium

  খ

  It merges with great vessels

  গ

  It is adherent with central tendon

  ঘ

  Fibrous pericardium is developed from heart tube

  ঙ

  It is adherent with sternum
• Septomarginal trabeculae
  ক

  Conveys right branch of atrioventricular bundle

  খ

  Prevents overdistension of right ventricle

  গ

  Is made up of muscle tissue

  ঘ

  Present in the left ventricle

  ঙ

  Is a connective tissue bridge
• With the heart in its usual in the body
  ক

  The right mediastinal shadow is formed by the right atrium

  খ

  On deep inspiration

  গ

  the vertical length of the heart increases and the transverse diameter narrow

  ঘ

  The left ventricle forms most of the anterior surface

  ঙ

  No part of the left atrium can be seen on its anterior aspect

  চ

  The pulmonary artery lies anterior and to the right of the ascending aorta
• In a chest x-ray posterior anterior view
  ক

  Right atrium forms the most of the right border of the heart

  খ

  Pulmonary bay is usually concave in a normal person

  গ

  Left atrial appendage is seen above the pulmonary bay area

  ঘ

  Inferior vena cava is seen at the upper part of the right cardiac margin

  ঙ

  Apex is rotated downwards in right ventricular enlargement
• Coarctation of the aorta are
  ক

  Is usually distal to axillary artery

  খ

  Produces a small volume femoral pulse

  গ

  Associated with bicuspid aortic valve

  ঘ

  Results in hypotension

  ঙ

  Results in double aortic knuckle on chest x-ray
• In Coarctation of aorta
  ক

  A lateral chest x-ray may show dilated descending thoracic aorta

  খ

  The isthmus of the aorta is the usual site

  গ

  Bicuspid aortic valve is a recognized association

  ঘ

  The post-ductal type presents in infancy

  ঙ

  Berry aneurysms are a recognized complication
• During development of the heart
  ক

  The pulmonary circulation is of lesser volume

  খ

  Contraction starts at 3 weeks

  গ

  The dorsal mesocardium breaks down to form the oblique pericardial sinus

  ঘ

  The sinus venosus lies at the cranial end of the primitive tube

  ঙ

  Muscles are of neural crest in origin
• The distribution of the left coronary artery shows that
  ক

  The left anterior descending artery supplies parts of both ventricles

  খ

  Its trunk lies in the coronary sulcus

  গ

  Its branches are the main supply to the A-V node in most cases

  ঘ

  The left circumflex artery does not usually anastomoses with any right coronary arterial branch

  ঙ

  A left circumflex blockage would commonly cause septal ischaemia
• Branches of left coronary artery are
  ক

  Circumflex branch

  খ

  Branch to the diaphragmatic surface of left ventricle

  গ

  Posterior interventricular branch

  ঘ

  Right atrial branch

  ঙ

  Terminal branch
• Base of the heart is related posteriorly to the
  ক

  Descending thoracic aorta

  খ

  Esophagus

  গ

  Thoracic duct

  ঘ

  Phrenic nerve

  ঙ

  Trachea
• The mitral valve
  ক

  Possesses two cusps

  খ

  Is closely related to the aortic valve

  গ

  Guards the right atrioventricular orifice

  ঘ

  Has no papillary muscle attachments

  ঙ

  Lies on the posterior wall of the left ventricle
• Veins drain into the coronary sinus are
  ক

  Great cardiac vein

  খ

  Middle cardiac vein

  গ

  Small cardiac vein

  ঘ

  Anterior cardiac vein

  ঙ

  Venaecordis minimae
• The right atrium
  ক

  Is anterior to the right pulmonary veins

  খ

  has the sino-atrial node in its wail

  গ

  Is derived in part from the sinus venosus

  ঘ

  Forms most of the anterior surface of the heart

  ঙ

  Contains papillary muscles
• Structures intervene between the base of the heart and vertebral column are
  ক

  Thoracic duct

  খ

  Hemiazygos vein

  গ

  Greater splanchnic nerve

  ঘ

  Transverse sinus

  ঙ

  Left pair of pulmonary veins