2 4152020 PhysioEx Exercise 6 Activity 4

2 4152020 physioex exercise 6 activity 4

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4/15/2020 PhysioEx Exercise 6 Activity 4 3/5 Pilocarpine Atropine Digitalis
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4/15/2020 PhysioEx Exercise 6 Activity 4 4/5 Post-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Review Sheet Results Pilocarpine decreased the heart rate. Typical of cholinergic agonists, it You correctly answered: decreased the frequency of action potentials. 1 The effect of atropine was to You correctly answered: mimic the sympathetic nervous system. 2 The modifiers tested that decrease the heart rate were You correctly answered: digitalis and pilocarpine. 3 To increase the heart rate, the best choices would be You correctly answered: epinephrine and atropine. 4 Describe the effect that pilocarpine had on the heart and why it had this effect. How well did the results compare with your prediction? Your answer: The Pilocarpine decreases the heart rate, which means my prediction was right. It had this effect since it enhanced acetylcholine. 1 Atropine is an acetylcholine antagonist. Does atropine inhibit or enhance the effects of acetylcholine? Describe your results and how they correlate with how the drug works. How well did the results compare with your prediction? Your answer: 2
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4/15/2020 PhysioEx Exercise 6 Activity 4 5/5 Inhibits. Acetylcholine decreases heart rate but when atropine is used heart rate increases as stated in my prediction. Describe the benefits of administering digitalis. Your answer: Slowed heart rate but contraction force is increased. 3 Distinguish between cholinergic and adrenergic chemical modifiers. Include examples of each in your discussion. Your answer: Acetylcholine, cholinergic, decreases heart rate; Epinephrine & Norepinephrine, adrenergic, increase heart rate. 4
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  • Spring '20
  • Neurotransmitter, session ID

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