This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A drug that exerts a positive inotropic effect will: a. reduce electrical conduction in the ... (Read 41 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
on: Jul 24, 2018
A drug that exerts a positive inotropic effect will:
 
  a. reduce electrical conduction in the heart.
  b. increase heart rate.
  c. increase the force of contraction of the heart.
  d. increase the viscosity of the blood.

Question 2

The nurse understands that the primary pacemaker of the heart is the:
 
  a. vagus nerve. c. SA node.
  b. bundle of His. d. AV node.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

karlss

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 24, 2018
Answer to Question 1

ANS: C

Feedback
A Incorrect: This is a negative dromotropic effect.
B Incorrect: This is a positive chronotropic effect.
C Correct: This is a positive inotropic effect.
D Incorrect: This is not a tropic effect.

Answer to Question 2

ANS: C

Feedback
A Incorrect: The vagus nerve is not the pacemaker of the heart.
B Incorrect: The bundle of His are fibers that flow throughout the ventricles, but are not the pacemaker.
C Correct: The sinoatrial node is the pacemaker of the heart.
D Incorrect: Although the atrioventricular node does invoke electrical impulses, it is not the primary pacemaker of the heart.


Pea0909berry

  • Member
  • Posts: 573
Reply 2 on: Jul 24, 2018
Wow, this really help

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Conduction of the action potential along an axon. Conduction of the action potential along an axon.
Some drug labels show the USP symbol; others do not. Some drug labels show the USP symbol; others do not.
Conduction Velocities in Axons of Various Nerve Fiber Types Conduction Velocities in Axons of Various Nerve Fiber Types
Look-Alike and Sound-Alike Drug Names Look-Alike and Sound-Alike Drug Names
Bulk flow by positive pressure (pressure Bulk flow by positive pressure (pressure
Effect of the direction of flagellar rotation Effect of the direction of flagellar rotation
Video: Electromagnetic Spectrum, Chlorophyll and Pigment & Light

For a complete list of videos, visit our video library