MEDCA EKG Study Guide exam with
complete solutions
The average hearts beats how many times everyday? - ANSWER-100,000
The average heart pumps how many times everyday? - ANSWER-2,000
The human heart weighs approximately how much? - ANSWER-11 ounces
The human heart is about the size of what? - ANSWER-a clenched fist
The heart is made up of specialized muscle tissue called what? - ANSWER-
Myocardium
The heart is divided into how many separate chambers? - ANSWER-4
The right and left what make up the top portion of the heart? - ANSWER-atrium
The right and left atria are the __________ chambers of the heart. - ANSWER-receiving
The right and left ventricles are the heart's ____________ chambers. - ANSWER-
pumping
The heart has how many valves? - ANSWER-4
Name the heart valves - ANSWER-1. Tricuspid
2. Pulmonic
3. Mitral
4. Aortic
The _______________________ is located between the right atrium and right ventricle.
- ANSWER-tricuspid valve
, The _____________________ separates the left ventricle from the aorta. - ANSWER-
aortic valve
The "lub-dub" sounds heard with a stethoscope are the sounds of the heart valve
____________. - ANSWER-closing
The pulmonic valve is located between the ________________ and the pulmonary
artery. - ANSWER-right ventricle
The major blood vessels attached to the heart include... - ANSWER-aorta, superior and
inferior vena cava, pulmonary vein, artery
The body returns oxygen-depleted blood to the heart via the
________________________. - ANSWER-Superior vena cava
The right ventricle pumps blood through the pulmonary artery out of the ___________. -
ANSWER-lungs
Oxygen-rich blood flows to the heart through the _____________________________. -
ANSWER-Pulmonary veins
The hardest working chamber of the heart is the
_________________________________. - ANSWER-left ventricle
Systole/Diastole is the pressure inside the arteries during ventricular contraction, when
blood is pumped from the heart to the body. - ANSWER-Systole
Systole/Diastole pressure is the intra-atrial pressure during the period of ventricular
relaxation. - ANSWER-Diastole
Systole/Diastole pressure is represented by the lower of the two readings. - ANSWER-
Diastole
Systolic/Diastolic pressure is represented by the higher of the two numbers. -
ANSWER-Systolic
The contraction of the heart muscle is caused by the flow of
___________________________________ through the muscle tissue. - ANSWER-
electrical impulses
complete solutions
The average hearts beats how many times everyday? - ANSWER-100,000
The average heart pumps how many times everyday? - ANSWER-2,000
The human heart weighs approximately how much? - ANSWER-11 ounces
The human heart is about the size of what? - ANSWER-a clenched fist
The heart is made up of specialized muscle tissue called what? - ANSWER-
Myocardium
The heart is divided into how many separate chambers? - ANSWER-4
The right and left what make up the top portion of the heart? - ANSWER-atrium
The right and left atria are the __________ chambers of the heart. - ANSWER-receiving
The right and left ventricles are the heart's ____________ chambers. - ANSWER-
pumping
The heart has how many valves? - ANSWER-4
Name the heart valves - ANSWER-1. Tricuspid
2. Pulmonic
3. Mitral
4. Aortic
The _______________________ is located between the right atrium and right ventricle.
- ANSWER-tricuspid valve
, The _____________________ separates the left ventricle from the aorta. - ANSWER-
aortic valve
The "lub-dub" sounds heard with a stethoscope are the sounds of the heart valve
____________. - ANSWER-closing
The pulmonic valve is located between the ________________ and the pulmonary
artery. - ANSWER-right ventricle
The major blood vessels attached to the heart include... - ANSWER-aorta, superior and
inferior vena cava, pulmonary vein, artery
The body returns oxygen-depleted blood to the heart via the
________________________. - ANSWER-Superior vena cava
The right ventricle pumps blood through the pulmonary artery out of the ___________. -
ANSWER-lungs
Oxygen-rich blood flows to the heart through the _____________________________. -
ANSWER-Pulmonary veins
The hardest working chamber of the heart is the
_________________________________. - ANSWER-left ventricle
Systole/Diastole is the pressure inside the arteries during ventricular contraction, when
blood is pumped from the heart to the body. - ANSWER-Systole
Systole/Diastole pressure is the intra-atrial pressure during the period of ventricular
relaxation. - ANSWER-Diastole
Systole/Diastole pressure is represented by the lower of the two readings. - ANSWER-
Diastole
Systolic/Diastolic pressure is represented by the higher of the two numbers. -
ANSWER-Systolic
The contraction of the heart muscle is caused by the flow of
___________________________________ through the muscle tissue. - ANSWER-
electrical impulses
