Jul 6 (edited) • CSCS Daily Practice Question
CSCS Daily Practice Question #94
An endurance athlete undergoes 12 weeks of high-volume aerobic training. Which cardiovascular adaptation would most improve oxygen delivery to Type I muscle fibers during submaximal exercise?
A. Increased stroke volume, delivering more oxygenated blood per heartbeat
B. Increased capillary density around Type I fibers, reducing diffusion distance for oxygen
C. Decreased arteriovenous oxygen difference, reducing metabolic demand
Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded.
From Chapter 1: Structure and Function of Body Systems
DCO Code: 1.G1
NOTE: Image is for illustration purposes, not needed to answer the question.
A. Increased stroke volume, delivering more oxygenated blood per heartbeat
B. Increased capillary density around Type I fibers, reducing diffusion distance for oxygen
C. Decreased arteriovenous oxygen difference, reducing metabolic demand
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CSCS Daily Practice Question #94
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