Exam 2 cardio

Is a characteristic of arterioles

• average diameter of 4mm

• diameter ranging from 40 um to 2mm

• average diameter of 3mm

• average diameter of 1mm

Is a characteristic of veins

• average diameter of 4mm

• smooth muscular layer

• diameter ranging from 40 um to 2mm

• They do not have a muscular layer

Which common carotid artery is a branch of the subclavian artery?

• Left common carotid artery

• Right common carotid artery

This phase is defined as the depolarization

• Phase 3

• Phase 0

• Phase 1

• Phase 2

Define the systole

• the period of the cycle in which the atria are relaxed and filled with blood that they will then have to propel

• the period of the cycle in which the ventricles are relaxed and filled with blood that they will then have to propel

• the period of the cycle in which the ventricles contract and cause the blood they contain to eject

• the period of the cycle in which the atria contract and cause the blood they contain to eject

Define the diastole

• the period of the cycle in which the atria are relaxed and filled with blood that they will then have to propel

• the period of the cycle in which the ventricles are relaxed and filled with blood that they will then have to propel

• the period of the cycle in which the ventricles contract and cause the blood they contain to eject

• the period of the cycle in which the atria contract and cause the blood they contain to eject

It is the outermost layer of the heart

• Epicardium

• Myocardium

• Endocardium

• Pericardium

It is a muscle layer that enables heart contractions

• Epicardium

• Myocardium

• Endocardium

• Pericardium

It is the innermost layer of the heart

• Epicardium

• Myocardium

• Endocardium

• Pericardium

It is a fibrous sac that encloses the heart and great vessels

• Epicardium

• Myocardium

• Endocardium

• Pericardium