« previous next »

Author Question: The period when repolarization is almost complete and the cardiac cell can be stimulated to contract ... (Read 75 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
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

  • Sr. Member
  • ****
  • Posts: 341
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

LaDunn

  • Hero Member
  • *****
  • Posts: 526
Reply #2 on: Jul 3, 2018
Thank you :)


Missbam101

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 3, 2018
Happy to help you


« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Changes in cell shape due to alterations in intracellular fluid volume. Changes in cell shape due to alterations in intracellular fluid volume.
The conduction system of the heart; traces the path of the electrical impulse that stimulates the he The conduction system of the heart; traces the path of the electrical impulse that stimulates the he
Eggs, milk, and cheese are complete proteins, because they are animal products. Eggs, milk, and cheese are complete proteins, because they are animal products.
Steps in the humoral and cell-mediated immune responses. Steps in the humoral and cell-mediated immune responses.
Cell Junctions Cell Junctions
Embryonic Period Embryonic Period
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library