ِAnatomy CVS
 28 questions
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WHAT STOPS THE VENTRICLES FROM CONTINUED DILATION DOWNWARD IN THE DEVELOPING EMBRYO?
Diaphragm
Septum transversarum
Bulbis cordis
Truncus arteriosis
IN WHAT PERCENTAGE OF PEOPLE DOES THE LEFT CORONARY ARTERY GIVE RISE TO A POSTERIOR INTERVENTRICULAR ARTERY OF THE HEART?
67%
60%
33%
40%
IN WHICH PAIRED VEIN AND ARTERY DOES BLOOD FLOW IN THE SAME DIRECTION?
Part of the great cardiac vein and circumflex artery
Radial vein, radial artery
Truncated vein of the Adromeda and aorta
None of the above
VERTEBRAL ARTERY ARISES FROM
Aorta
Thoracic artery
Subclavian artery
Vertebrae
FROM WHAT PHARYNGEAL ARCHES DO THE PULMONARY TRUNK AND ARCH OF AORTA (AND THEIR SUBDIVISIONS) ARISE?
1,2,5
3,4,6
2,6,4
3,2,6
Purkinje cells (fibers) are found in:
Subendocardial space
Myocardium
Epicardium
Pericardium
Purkinje fiber defers from myocardial contractile cell in:
Stain
Glycogen content
Function
Size
All of the mentioned
PURKINJE FIBERS ARE PALE STAINING BECAUSE THEY DON'T CONTAIN A LOT OF:
Mitochondria
Cytoplasm
Contractile myofilaments
Elastic lamina
ARTERIOLES CONTAIN _________ LAYER(S) OF SMOOTH MUSCLES
1-3
More than 10
2-10
1
THE VAGUS NERVE IS __________, WHILE THE PHRENIC NERVE IS ___________
Posterior to root of lung...posterior to root of lung
Posterior to vertebrae...anterior to root of lung
Posterior to root of lung...anterior to root of lung
Cranial nerve X (10), cranial nerve XII (12)
AT WHAT WEEK HAS THE HEART DEVELOPED INTO SEPARATED CHAMBERS?
3rd week
7th week
4th week
9th week
8th week
REGARDING THE BORDERS OF THE HEART WHICH STATEMENT IS FALSE:
The right border extends between 3rd and 6th inter costal spaces
The superior boarder extends from the 2nd costal cartilage and down to the 3rd costal cartilage 1.5cm on each half of the sternum
The left boarder extends from the first left point draw an oblique line down to the level of the apex (5th inter costal space in medclavicular line
WHICH OF THE FOLLOWING STATEMENTS IS INCORRECT?
Common carotid pulse is measured lateral to the sternocleidomastoid muscle
Superficial temporal pulse is measured anterior to the external auditory meatus
Posterior tibial pulse can be measured posterior to the middle maleolus
 
WHICH OF THE FOLLOWING STATEMENTS IS INCORRECT?
The posterior inter-ventricular artery will determine what is known as dominance
Right coronary artery dominance means that most of the blood to the heart is supplied by the right coronary artery
The AV node is supplied by the left coronary artery in most of the times
Which of the following vessels has least oxygen level in fetus:
Umbilical veins
Umbilical artery
Vitelline veins
Pharangeal artery
WHICH OF THE FOLLOWING REPRESENTS THE SENSORY NERVE SUPPLY OF THE PERICARDIUM?
Phrenic nerve
Vagus nerve
Sympathetic nerves
FROM WHAT STRUCTURE DOES THE SMOOTH SURFACE OF THE RIGHT ATRIUM DEVELOP?
Bulbus Cordis
Sinus Venosus
Truncus arteriosus
Primitive atria
WHICH OF THE FOLLOWING HAS PAIRED BRANCHES?
Celiac artery
Hepatic artery
Superior mesentric
Inferior phrenic artery
Mitral valve :
Bicuspis valve attached to Three papillary muscles
Bicuspis valve attacjed to Two papillary muscles
Tricuspis valve attached to Three papillary muscles
Also called aortic valve
All of the following structres are found in the carotid facia except:
Common carotid arteries
Internal carotid arteries
External carotid arteries
The internal jugular vein
The vagus nerve
First Part of the Subclavian Artery give rise to all of the following branches except:
Thyrocervical trunk
Costocervical trunk
Internal thoracic artery
Vertebral artery
Right Subclavian artery arise from-------------------- and subdivided into three anatomical regions in relation to ---------------------------- :
Arch of Aorta and sternocleidomastoid muscle
Right Brachiocephalic artery and scalenus anterior and medius muscles
Common carotid and scalenus anterior and medius muscles
Axillary artrey and sternocleidomastoid muscle
Azygos veins :
Formed by right ascending lumbar vein and the right subcostal vein
Arches at the level of 6th thoracic vertebra
Joins IVC
All of the following has Portosystemic Anastomosis except:
Lower esophagus
Pare area of liver
Upper anal canal
Sigmoidal colon
All of the following are common sites for varicose veins except:
Anal canal
Esophagus
Stomach
The classic group of four cardiac defects known as tetralogy of Fallot:
Pulmonary stenosis ,Ventricular septal defect , Dextroposition of the aorta (straddling or overriding the aorta) , Right ventricular hypertrophy
Aortic stenosis ,Ventricular septal defect , Dextroposition of the aorta (straddling or overriding the aorta) , Left ventricular hypertrophy
Pulmonary stenosis ,atrial septal defect , Dextroposition of the aorta (straddling or overriding the aorta) , left ventricular hypertrophy
Aortic stenosis ,atrial septal defect , Dextroposition of the pulmonary trunks (straddling or overriding the pulmonary trunk ) , Right ventricular hypertrophy
Separate rough and smooth surface of right ventricle in the internal part of the atrium:
Sulcus terminalis
Crista terminalis
Fossa ovalis
Atrial septum
Which valve lies behind the right side of the sternum at level of 4th costal cartilage:
Aortic valve
Pulmonary valve
Bicuspid
Tricuspid valve
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