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Author Question: The period when repolarization is almost complete and the cardiac cell can be stimulated to contract ... (Read 88 times)

LaDunn

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on: Jul 3, 2018
The period when repolarization is almost complete and the cardiac cell can be stimulated to contract prematurely if the stimulus is stronger than normal is known as:
 
  a. the absolute refractory period.
  b. the relative refractory period.
  c. the action potential phase.
  d. the absolute depolarization.

Question 2

A narcotic analgesic that has both agonistic and antagonistic activities on opiate receptor sites is:
 
  a. Morphine
  b. Meperedine hydrochloride
  c. Butorphanol tartrate (Stadol)
  d. Fentanyl


Missbam101

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Reply #1 on: Jul 3, 2018
Answer to Question 1

B

Answer to Question 2

c
Rationale: a. Morphine has agonist properties as it is a true opiate.
b. Merperedine hydrochloride binds to opiate receptors creating an agonist effect.
c. Correct.
d. Fentanyl binds with opiate receptors causing an agonist effect.


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LaDunn

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Reply #2 on: Jul 3, 2018
Thank you :)


Missbam101

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Reply #3 on: Jul 3, 2018
Happy to help you


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