Question No:1
The amount of blood to be pumped out by each ventricle/minute is
[A] Stroke volume
[B] Cardiac output
[C] ERV
[D] ZRV
Question No:2
During cardiac cycle each ventricle pumps out about 70 ml of blood which is called
[A] Stroke volume
[B] Cardiac output
[C] Tidal volume
[D] Residual volume
Question No:3
Cardiac output is
[A] Stroke volume (SV) x Heart rate (HR) = 5L/m
[B] SVxHR = 500ml
[C] SVxHR = 72ml/m
[D] SVxHR = 70ml/m
Question No:4
Which of the following statement is incorrect?
[A] Cardiac output of an athlet is much higher than that of an ordinary man
[B] In each minute a single cardiac cycle is performed
[C] During each cardiac cycle two prominent sounds are produced
[D] Cardiac cycle includes atrial systole, ventricular systole and joint diastole
Question No:5
Identify the correct sequence of events in a cardiac cycle:
[A] Diastole, atrial systole, ventricular diastole
[B] Atrial systole, ventricular diastole, ventricular systole
[C] Atrial systole, ventricular systole, joint diastole
[D] Ventricular diastole, diastole, ventricular systole, atrial systole
Question No:6
First cardiac sound (lub) is associated with
[A] closure of tricuspid and bicuspid valves
[B] opening of tricuspid valves
[C] closure of semi lunar valves
[D] opening of semi lunar valves
Question No:7
Which of the following statement is wrong for second cardiac sound?
[A] It is heard as dup
[B] It is produced due to the closure of semi lunar valves
[C] It is clinically significant
[D] It is clinically non significant
Question No:8
Which of the following is correct about human heart?
[A] The volume of both atria > the volume of both ventricles
[B] The volume of both ventricle > the volume of both atria
[C] The volume of both atria = the volume of both ventricles
[D] Ventricles are upper chambers and atria are lower chambers in our heart
Question No:9
Which of the following blood vessels possess semi lunar valves?
[A] Vena cava and aorta
[B] Aorta and pulmonary artery
[C] Pulmonary artery and pulmonary vein
[D] Pulmonary vein and vena cava
Question No:10
The heartbeat of a person increases at the time of an interview due to the secretion of
[A] Renin
[B] Adrenaline
[C] ADH
[D] ACTH
Question No:11
Which of the following set is correct?
[A] Sebum — Analgesic
[B] Vitamin – Nicotine
[C] Corpus callosum – Graafian follicle
[D] Bundle of His – Purkinje fibres
Question No:12
Cardiac centre lies in
[A] Medulla oblongara
[B] Pons
[C] Cerebrum
[D] Epithalamus
Question No:13
Cardiac centre can moderate the cardiac functions through
[A] somatic neural system
[B] parasympathetic nervous system only
[C] autonomic nervous system (ANS)
[D] sympathetic nervous system only
Question No:14
Neural signal through the sympathetic nervous (part of ANS) increase cardiac output because of
[A] increasing the rate of heat beat
[B] increasing the strength of ventricular contraction
[C] both (a) and (b)
[D] increasing the stimulation of vagus nerve
Question No:15
Parasympathetic neural signal decreases cardiac output by
[A] decreasing the rate of heartbeat
[B] decreasing the speed conduction of action potential
[C] both
[D] increasing adrenal medulla hormones secretion
Body Fluids and Circulation Mock Test-7
CategoriesNEET Biology