Quiz: Control of Heart Rate and Ventilation (Negative Feedback)
Edexcel A Level Biology SNAB A
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Building on what you've learned about respiration and gas exchange during exercise, let's test your understanding of how heart rate and ventilation are controlled by negative feedback!
What is the role of the medulla oblongata in controlling heart rate?
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Which of the following are sensors involved in negative feedback control for heart rate? (Select all that apply)
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When blood CO2 levels rise, chemoreceptors signal the {{blank0}}, which sends impulses to increase {{blank1}} rate.
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Match the items on the left with their correct pairs on the right
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If a person’s ventilation rate increases from 12 breaths per minute to 18 breaths per minute during exercise, what is the percentage increase?
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During exercise, which gas's concentration in the blood triggers an increase in ventilation rate?
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Which processes are involved in negative feedback control during exercise? (Select all that apply)
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Match the items on the left with their correct pairs on the right
During negative feedback control, high blood pressure triggers {{blank0}} impulses to the heart, causing a {{blank1}} in heart rate.
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Which part of the brain processes input from chemoreceptors and baroreceptors?
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