A 25-year-old individual experiences a rapid increase in heart rate after consuming caffeine. Which cellular process is most responsible for this condition?
Q1. A 25-year-old individual experiences a rapid increase in heart rate after consuming caffeine. Which cellular process is most responsible for this condition?
Answer: Beta-adrenergic receptor activation
Explanation: Beta-adrenergic receptor activation is the process most responsible for the rapid increase in heart rate after consuming caffeine. Adrenergic and muscarinic receptors are involved in different physiological responses.