3 The receptor binds norepinephrine and epinephrine You correctly answered \u00df 1

3 the receptor binds norepinephrine and epinephrine

This preview shows page 1 - 5 out of 5 pages.

3 The __________ receptor binds norepinephrine and epinephrine. You correctly answered: ß-1 adrenergic. 4 Predict Question 1: Pilocarpine is a cholinergic drug, an acetylcholine agonist. Predict the effect that pilocarpine will have on heart rate. Your answer: Pilocarpine will increase heart rate. 1 Predict Question 2: Atropine is another cholinergic drug, an acetylcholine antagonist. Predict the effect that atropine will have on heart rate. Your answer: Atropine will decrease heart rate. 2
Image of page 1
11/16/2019 PhysioEx Exercise 6 Activity 4 2/5 Experiment Data Solution Heart Rate (beats/min) ---- 60 Epinephrine 80 Pilocarpine 45 Atropine 70 Digitalis 42 ---- Epinephrine Which of the following is true of epinephrine? You correctly answered: It increases the heart rate and mimics the sympathetic nervous system. 1 The final chemical modifier we will look at is digitalis (also known as digoxin and digitoxin and derived from the foxglove plant). Individuals with weakened hearts need to allow maximum time for venous return and increased stroke volume and would therefore most likely benefit from Your answer: decreased force of contraction and decreased heart rate. Correct answer: increased force of contraction and decreased heart rate. 2
Image of page 2
11/16/2019 PhysioEx Exercise 6 Activity 4 3/5 Pilocarpine Atropine Digitalis
Image of page 3
11/16/2019 PhysioEx Exercise 6 Activity 4
Image of page 4
Image of page 5

You've reached the end of your free preview.

Want to read all 5 pages?

  • Spring '14

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes