4Predict Question 1: Pilocarpine is a cholinergic drug, an acetylcholine agonist. Predict theeffect that pilocarpine will have on heart rate.Your answer: Pilocarpine will decrease heart rate.1Predict Question 2: Atropine is another cholinergic drug, an acetylcholine antagonist.Predict the effect that atropine will have on heart rate.2
10/8/19, 7)04 PMPhysioEx Exercise 6 Activity 4Page 2 of 5Stop & Think QuestionsExperiment DataSolutionHeart Rate (beats/min)----62Epinephrine82Pilocarpine47Digitalis43----Your answer: Atropine will increase heart rate.Which of the following is true of epinephrine?You correctly answered: It increases the heart rate and mimics the sympathetic nervoussystem.1The final chemical modifier we will look at is digitalis (also known as digoxin and digitoxinand derived from the foxglove plant). Individuals with weakened hearts need to allowmaximum time for venous return and increased stroke volume and would therefore mostlikely benefit fromYou correctly answered: increased force of contraction and decreased heart rate.
- Fall '19