Cardiac Cycle
Cardiac Cycle: Overview
This topic covers concepts such as Atrial diastole, Ventricular diastole, Cardiac Cycle, Joint Diastole, Atrial Systole, Ventricular Systole and Cardiac Output.
Important Questions on Cardiac Cycle
Define cardiac cycle and cardiac output.
Dub is the second heart sound produced during the closure of SL valves.
Which of the following is involved in the initiation of the ventricular diastole?
The ventricular diastole lasts for _____ (0.4 second/0.1 second).
Each atrium dilates together to push the blood flow rapidly towards the ventricles.
The atrial diastole is an event in the cardiac cycle that lasts for the _____ (0.7 seconds/0.1 seconds).
Give one word for the following.
Rhythmic beating of arteries due to the beating of the heart.
Give one word for the following.
Sequence of events taking place during one complete heartbeat.
Which one of the following is a matching pair?
a) Lubb - sharp closure of AV valves at the beginning of ventricular systole
b) Dub - sudden opening of semilunar valves at the beginning of ventricular diastole
c) Pulsation of the radial artery - valves in the Arteries
d) Initiation of the heart beat - Purkinje fibres
During ventricular systole in a mammalian heart the
Name the following.
The correct biological term for contraction phase of the heart.
Write the correct biological phenomenon associated with the heart, which takes about 0.8 sec to complete.
Coronary arteries supply proper oxygen to the heart muscles.
Atrial systole lasts for ________ in Cardiac Cycle.
In cardiac cycle, maximum time is taken by
Given below are four statements (1-4) each with two blanks. Select the option which correctly fills up the blanks in two statements.
i. 1100-1200
ii. 1/5th
