Questions
2
“Bundle of HIS” is made up of _________
Answer:muscular tissue supplied to ventricles
3
Blood enters into the heart because of muscles of _______
Answer: atria relax
4
The opening of right atrium into right ventricle is guarded by _______
Answer:tricuspid valve
5
Mitral valve is present between __________
Answer: left atrium and left ventricle
8
The volume of blood each ventricle pumps out during a cardiac cycle is about ___________
Answer:70 ml
9
What is the definition of the cardiac cycle?
Answer: It is a sequence of event that occurs during one complete heartbeat
10
Name the three phases of cardiac cycle in the order ____________
Answer: mid-to-late diastole, Ventricular systole, Early diastole
11
An electrocardiogram is a graphic illustration of ____________
Answer: cardiac conduction system
12
The P wave of the ECG represents _______________
Answer: atrial depolarization
13
Which of the following is not true for ventricular systole?
Answer: The ventricles relax
14
The two distinct heart sounds during the cardiac cycle are lub and dup.
Answer: True
16
An artificial pace maker is implanted and connected to the heart in patients ___________
Answer: with irregularity in heart rhythm
18
Choose the correct pathway of the transmission of impulses in heart beat.
Answer: SA node- AV node- Bundle of HIS- Purkinji fibres
19
In ECG the depolarization of atria is indicated by __________
Answer: P wave
20
Which of the following pair is correctly matched?
Answer: Lubb- Sharp closing of AV valves at the beginning of ventricular systole
