Venous return is assisted by one-way venous valves, skeletal-muscle contraction, respiratory pressure changes and cardiac activity. Parasympathetic stimulation is not a major mechanism preventing peripheral venous pooling and therefore represents the exception among these options.
Which of the following is not a mechanism to promote venous return and reduce blood pooling?
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Question context
This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.