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Free download in PDF Body Fluids and Circulation Objective Type Questions with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
SA node is located in _____
[A]
upper lateral wall of right atrium
[B]
lower lateral wall of left atrium
[C]
lower lateral wall of right atrium
[D]
upper lateral wall of left atrium
Answer: upper lateral wall of right atrium
(2)
“Bundle of HIS” is made up of _________
[A]
nervous tissue supplied to ventricles
[B]
nervous tissue supplied to heart
[C]
muscular tissue supplied to heart
[D]
muscular tissue supplied to ventricles
Answer: muscular tissue supplied to ventricles
(3)
Blood enters into the heart because of muscles of _______
[A]
atria relax
[B]
ventricles contract
[C]
ventricles relax
[D]
atria contract
(4)
The opening of right atrium into right ventricle is guarded by _______
[A]
mitral valve
[B]
tricuspid valve
[C]
bicuspid valve
[D]
aortic semilunar valve
(5)
Mitral valve is present between __________
[A]
right atrium and left ventricle
[B]
right and left ventricle
[C]
left ventricle and aorta
[D]
left atrium and left ventricle
Answer: left atrium and left ventricle
(6)
Cardiac output is determined by _______
[A]
heart rate
[B]
stroke volume
[C]
blood flow
[D]
heart rate and stroke volume
Answer: heart rate and stroke volume
(7)
In human being the duration of cardiac cycle is ___________
[A]
0.008 sec
[B]
0.5 sec
[C]
0.8 sec
[D]
8 sec
(8)
The volume of blood each ventricle pumps out during a cardiac cycle is about ___________
[A]
70 ml
[B]
5000 ml
[C]
7 L
[D]
1200 ml
(9)
What is the definition of the cardiac cycle?
[A]
The contraction of the atria
[B]
Circulation of the blood in the heart
[C]
The contraction and relaxation of the ventricles
[D]
It is a sequence of event that occurs during one complete heartbeat
Answer: It is a sequence of event that occurs during one complete heartbeat
(10)
Name the three phases of cardiac cycle in the order ____________
[A]
early diastole, mid-to-late diastole, ventricular systole
[B]
ventricular systole, mid-to-late diastole, Early diastole
[C]
mid-to-late diastole, Ventricular systole, Early diastole
[D]
early diastole, Ventricular systole, mid-to-late diastole
Answer: mid-to-late diastole, Ventricular systole, Early diastole
(11)
An electrocardiogram is a graphic illustration of ____________
[A]
cardiac conduction system
[B]
cardiac cycle
[C]
cardiac output
[D]
systemic and pulmonary circuits
Answer: cardiac conduction system
(12)
The P wave of the ECG represents _______________
[A]
ventricular depolarization
[B]
atrial depolarization
[C]
ventricular repolarization
[D]
atrial systole
Answer: atrial depolarization
(13)
Which of the following is not true for ventricular systole?
[A]
The ventricles relax
[B]
The ventricles contract
[C]
The semi lunar valves close
[D]
The atrioventricular valves open
Answer: The ventricles relax
(14)
The two distinct heart sounds during the cardiac cycle are lub and dup.
(15)
Heart beat initiates from ________
[A]
Purkinji fibers
[B]
SA node
[C]
Bundle of HIS
[D]
Auriculo ventricular node
(16)
An artificial pace maker is implanted and connected to the heart in patients ___________
[A]
suffering from arteriosclerosis
[B]
having high blood pressure
[C]
with irregularity in heart rhythm
[D]
having 90% blockage
Answer: with irregularity in heart rhythm
(17)
A heat murmurs indicates a defective ___________
[A]
Heart valves
[B]
Bundle of HIS
[C]
SA node
[D]
AV node
(18)
Choose the correct pathway of the transmission of impulses in heart beat.
[A]
AV node- SA node- Bundle of HIS- Purkinji fibres
[B]
SA node- AV node- Bundle of HIS- Purkinji fibres
[C]
SA node- Bundle of HIS- AV node- Purkinji fibres
[D]
SA node Purkinji fibres- Bundle of HIS- AV node
Answer: SA node- AV node- Bundle of HIS- Purkinji fibres
(19)
In ECG the depolarization of atria is indicated by __________
[A]
P wave
[B]
Q wave
[C]
R wave
[D]
S wave
(20)
Which of the following pair is correctly matched?
[A]
Dup- Sudden opening of semilunar valves at the beginning of ventricle diastole
[B]
Lubb- Sharp closing of AV valves at the beginning of ventricular systole
[C]
Pulsation of radial artery valves in blood vessels
[D]
Initiation of heart beat- Purkinji fibers
Answer: Lubb- Sharp closing of AV valves at the beginning of ventricular systole
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