ELE EXAM QUESTIONS WITH NEW
UPDATE SOLUTIONS A+ PASS
How many chambers does the heart have? - Answers -✔✔
One
Two
Three
Four**
Where is the heart located? - Answers -✔✔
In the left-side of the thoracic cavity**
In the left upper quadrant of the abdominal cavity
In the center of the dorsal cavity
Behind the umbilicus
What does an electrocardiogram measure? - Answers -✔✔
Brain activity
Heart function**
Blood flow
Lung capacity
What is the contraction phase of a heartbeat? - Answers -✔✔
Cardiac
Impulse
Diastole
Systole**
Which component of the ECG cycle shows ventricular depolarization? - Answers -✔✔
P
QRS**
V
T
Which of the following is true? - Answers -✔✔
***-Electrical impulses in the heart cause the muscles to contract.***
-The time of electrical recovery in the ventricles before a new heartbeat starts is known
as ventricular depolarization.
-The waves in the ECG cycle represent the number of heartbeats.
-Muscle tissue in most body organs are able to stimulate their own contractions.
Which chamber of the heart contracts to send blood to the pulmonary artery and lungs?
- Answers -✔✔
Left atrium
, Left ventricle
Right atrium
Right ventricle**
Which layer of the heart is made of muscle tissue and pumps the blood through the
system? - Answers -✔✔
Endocardium
Pericardium
Myocardium**
Which chamber of the heart receives deoxygenated blood from the body? - Answers✔✔
Left atrium
Left ventricle
Right atrium**
Right ventricle
Which of these tissues is known as the body's "natural pacemaker?" - Answers -✔✔
SA node**
AV node
Purkinje fibers
Bundle of His
How long does the average cardiac cycle last? - Answers -✔✔ 0.08 seconds
0.8 seconds**
8 seconds
8 minutes
Which wave of the ECG cycle shows repolarization? - Answers -✔✔
D
QRS
T**
P
Which layer of the heart contains a lubricating fluid that reduces friction as the heart
beats? - Answers -✔✔
Endocardium
Pericardium**
Myocardium
Which wave of the ECG cycle shows atrial depolarization? - Answers -✔✔
A
T
P**
QRS
UPDATE SOLUTIONS A+ PASS
How many chambers does the heart have? - Answers -✔✔
One
Two
Three
Four**
Where is the heart located? - Answers -✔✔
In the left-side of the thoracic cavity**
In the left upper quadrant of the abdominal cavity
In the center of the dorsal cavity
Behind the umbilicus
What does an electrocardiogram measure? - Answers -✔✔
Brain activity
Heart function**
Blood flow
Lung capacity
What is the contraction phase of a heartbeat? - Answers -✔✔
Cardiac
Impulse
Diastole
Systole**
Which component of the ECG cycle shows ventricular depolarization? - Answers -✔✔
P
QRS**
V
T
Which of the following is true? - Answers -✔✔
***-Electrical impulses in the heart cause the muscles to contract.***
-The time of electrical recovery in the ventricles before a new heartbeat starts is known
as ventricular depolarization.
-The waves in the ECG cycle represent the number of heartbeats.
-Muscle tissue in most body organs are able to stimulate their own contractions.
Which chamber of the heart contracts to send blood to the pulmonary artery and lungs?
- Answers -✔✔
Left atrium
, Left ventricle
Right atrium
Right ventricle**
Which layer of the heart is made of muscle tissue and pumps the blood through the
system? - Answers -✔✔
Endocardium
Pericardium
Myocardium**
Which chamber of the heart receives deoxygenated blood from the body? - Answers✔✔
Left atrium
Left ventricle
Right atrium**
Right ventricle
Which of these tissues is known as the body's "natural pacemaker?" - Answers -✔✔
SA node**
AV node
Purkinje fibers
Bundle of His
How long does the average cardiac cycle last? - Answers -✔✔ 0.08 seconds
0.8 seconds**
8 seconds
8 minutes
Which wave of the ECG cycle shows repolarization? - Answers -✔✔
D
QRS
T**
P
Which layer of the heart contains a lubricating fluid that reduces friction as the heart
beats? - Answers -✔✔
Endocardium
Pericardium**
Myocardium
Which wave of the ECG cycle shows atrial depolarization? - Answers -✔✔
A
T
P**
QRS
