The following are statements about heart sounds:     i. The beating of the heart and the pumping of the blood is associated with the generation of the sounds.    ii. The physicians are trained to diagnose heart disorders by listening to these sounds using a device called the stethoscope.    iii. A graphic record of the heart is called a phonocardiogram.1 pointi is correcti and ii are correcti and iii are correctall are correct

A doctor listening to the heartbeat through a stethoscope hears two sounds, lub and dub.How are these two sounds produced?

The series of sound heard during BP assessment is termed:Question 14Select one:a.Korotkoff’s soundb.Cuff soundc.Stethoscope soundd.Corotkoff’s sound

What causes the lubb-dubb sound of a heartbeat, as heard through a stethoscope?Multiple choice question.the rush of blood out of the ventricles and into the arteriesthe contraction of the atria and ventriclesthe vibrations in heart tissue as blood flow is slowed when valves close

Describe what causes the lub-dub soundyou hear when you listen to your heart.2 Describe the cause of the followingvalve conditions:a stenosisb regurgitation or insufficiencyc prolapse.3 Describe the function of the pericardiumsac that surrounds the heart.4 Describe the link betweenatherosclerosis and coronary heartdisease.5 Identify two things you could do toensure your circulatory system stayshealthy.6 Describe why the heart muscle becomesdamaged during a heart attack.7 Describe how the function of thepericardium is affected when it fills withfluid during an infection.7. 8 Check your learning

What does an electrocardiogram record?Multiple choice question.the electrical changes in the myocardiumthe sounds of the heart valves closingthe action potentials in a cardiac muscle cellthe electrical activity in the brain