Cardiovascular system

heart is made up of a muscle called

• epicardium

• endocardium

• pericardium

• myocardium

heart has

• 3 chambers

• 5chambers

• 2 chambers

• none of the above

pulmonary artery carries

• deoxygenated blood

• lymphatic fluid

• oxygenated blood

Order of cardiac conducting system

• av node, bundle branches, sa node

• purkinjie fibers, sa node

• sa node, av node, bundle branches, purkinjie fibers

• none of the above

angina is a

• pain in chest

• pain radiating to left arm

• pain radiating to left jaw

• all the above

Cardiac output is

• heart rate * systolic pressure

• systolic pressure * diastolic pressure

• stroke volume * systolic presssure

• heart rate * stroke volmue

during ventricular systole

• blood is pumped out of atrium

• blood is pumped out of ventricle

• blood enters atrium

• blood enters ventricle

Atherosclerosis is

• failure of conductive sysytem

• narrowing of blood vessel supplying heart

• septal defect

• immature heart

Defect in the wall separating two atrium

• arrthymia

• ventricular septal defect

• fibrillation

• atrial septal defect

abnormal enlargement of right side of heart is called as

• pulmonary embolism

• cardiomyopathy

• cor pulmonale

• cardiac arrest