Zoology - Body Fluids and Circulation Question with Solution | TestHub
ZoologyBody Fluids and CirculationCardiac CycleEasy2 minPYQ_2020
ZoologyEasysingle choice
Read the following statements and choose the correct option:
A. The first heart sound (lub) is associated with the closure of both semilunar valves.
B. The duration between the adjacent second heart sound and first heart sound is 0.3 seconds
C. The cardiac output is the stroke volume multiplied by the number of heartbeats per minute.
Options:
Answer:
D
Solution:
The first heart sound (lub) is associated with the closure of the tricuspid and bicuspid valves, which occurs at the beginning of ventricular systole of a cardiac cycle.
The duration between the adjacent second heart sound (dub) and first heart sound (lub) is 0.5 seconds.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Body Fluids and CirculationSubtopic:Cardiac Cycle
⏱ 2mℹ️ Source: PYQ_2020
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