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VICPhysical EducationQuick questions
Unit 3: Movement Skills and Energy for Physical Activity
Quick questions on Acute responses to exercise for VCE Physical Education Unit 3 AoS 2
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are cardiovascular responses?Show answer
The cardiovascular system delivers oxygenated blood and substrate to working muscle and removes carbon dioxide and metabolic by-products. Acute responses maximise delivery during exercise.
What are respiratory responses?Show answer
The respiratory system brings oxygen into the body and removes carbon dioxide. Acute responses match ventilation to the rising rate of metabolic gas exchange.
What are muscular responses?Show answer
The muscular system performs the work. Acute responses recruit motor units, mobilise fuel and generate force.
What is q1?Show answer
Define cardiac output and state the formula that produces it. Give an approximate resting value and an approximate maximal value for a healthy untrained adult. [3 marks]
What is q2?Show answer
Explain why ventilation rises at the onset of exercise, naming at least two mechanisms. [3 marks]
What is q3?Show answer
A 17 year old runner starts a 400 m race. State two acute cardiovascular responses and one acute respiratory response that occur within the first 30 seconds, and explain the functional purpose of each. [3 marks]
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