« previous next »

Author Question: The period when repolarization is almost complete and the cardiac cell can be stimulated to contract ... (Read 37 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?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Examples of cell types derived from ectoderm, mesoderm, and endoderm. Examples of cell types derived from ectoderm, mesoderm, and endoderm.
Forms of Cell signalling Forms of Cell signalling
Abnormalities Caused by Cardiac Pathology Abnormalities Caused by Cardiac Pathology
Basal cell carcinoma is a local contraindication for massage. Basal cell carcinoma is a local contraindication for massage.
Plant cell structure Plant cell structure
Dolly the sheep was the first mammal cloned by nuclear transfer from a somatic cell Dolly the sheep was the first mammal cloned by nuclear transfer from a somatic cell
Video: Protein catabolism - deamination

For a complete list of videos, visit our video library