Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
Solve it the standard way once - then learn the shortcut.
Q · Circulatory Systemmedium · 45s
The Frank–Starling law states that:
TopicCirculatory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
According to Frank–Starling mechanism, increased venous return stretches myocardial fibers, enhancing contractile force and stroke volume, matching output to venous inflow and maintaining equilibrium.
Final Answer: Option B - Stroke volume increases with increased end-diastolic volume