Neco 2020 Biology Question 23
Practice objective / multiple choice question 23 from the 2020 Neco Biology examination.
At rest a person's heart beats at \(70\) beats per minute (bpm). Sympathetic stimulation increases the heart rate by \(25\%\) of the resting rate, while parasympathetic stimulation decreases it by \(15\%\) of the resting rate. Under normal conditions both influences are present simultaneously. A drug is then administered that completely blocks the parasympathetic influence while leaving the sympathetic influence unchanged. What is the heart rate (in bpm) after the drug is given?
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About This Question
This is Neco 2020 Biology Question 23. It is one of the objective questions from the 2020 Neco Biology examination.
Difficulty level: Medium .
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