GUARANTEED ACCURATE
ANSWERS
The use of a non-invasive and painless ultrasound to examine the heart,
its chambers and valves is known as? - ACCURATE ANSWERS✔✔
Echocardiography
Wave forms displayed on a screen is called? - ACCURATE
ANSWERS✔✔ Electrocardiogram
The breast bone is referred to as? - ACCURATE ANSWERS✔✔ The
sternum
The pericardio sac that surrounds the heart wall is? - ACCURATE
ANSWERS✔✔ A tough fibrous outer layer called the visceral
pericardium and inner thin transparent lining called the fibrous
pericardium.
What are the three layers of the heart wall? - ACCURATE
ANSWERS✔✔ Epicardium (outer), Myocardium (middle), and
Endocardium (inner).
,The atrioventricular valve between the left atrium and left ventricle is? -
ACCURATE ANSWERS✔✔ The mitral valve
The wall that separates the two superior chambers of the heart is called?
- ACCURATE ANSWERS✔✔ Interatrial septum
The heart valves that separates the atria from the ventricles are called? -
ACCURATE ANSWERS✔✔ Atrioventricular valves
The skeleton of the heart? - ACCURATE ANSWERS✔✔ separates the
atria from the ventricles
The heart receives most of its own blood supply via the - ACCURATE
ANSWERS✔✔ coronary arteries
Regulation of the heart rate, speed of electrical conduction, and strength
of contraction are influenced by the brain via the? - ACCURATE
ANSWERS✔✔ Central nervous system
The cardiac accelerator center is? - ACCURATE ANSWERS✔✔ Part of
the sympathetic nervous system
The most muscular chamber of the heart that forces blood through the
aortic valve is the? - ACCURATE ANSWERS✔✔ left ventricle (power
house)
, During depolarization, what happens? - ACCURATE ANSWERS✔✔
Impulses are generated and transmitted when positively charged ions
move inside cells causing the interior to become positively charged.
Blood return to the heart from the lungs via 4 blood vessels are named? -
ACCURATE ANSWERS✔✔ Pulmonary veins
Blood travels to the lungs where carbon dioxide is unloaded and oxygen
is loaded. The blood vessels that carry the blood from the heart the lungs
are? - ACCURATE ANSWERS✔✔ Pulmonary arteries
During which phase of the cardiac cycle do the coronary arteries fill? -
ACCURATE ANSWERS✔✔ Early systole (contracting)
How much of the blood coming into the ventricles flows passively
through the atria? - ACCURATE ANSWERS✔✔ 70% or 80%
With the ECG paper - ACCURATE ANSWERS✔✔ Five small squares,
which make up a larger box, represent 0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine the? -
ACCURATE ANSWERS✔✔ heart rate