This topic contains a solution. Click here to go to the answer

Author Question: After leaving the area of the AV node, impulses go through the ________ to reach the right and left ... (Read 7331 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
Which of the following best explains the mechanism called irritability?
◦ The normal pacemaker slows down and gives up control.
◦ The normal pacemaker changes its inherent rate.
◦ A lower pacemaker site speeds up to take control of the heart.
◦ The ventricles repolarize before they are ready.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

pallen55

  • Sr. Member
  • ****
  • Posts: 331
A lower pacemaker site speeds up to take control of the heart.



itsmyluck

  • Hero Member
  • *****
  • Posts: 546

pallen55

  • Sr. Member
  • ****
  • Posts: 331
Always glad to help...



melly21297

  • Hero Member
  • *****
  • Posts: 565
Which of the following does NOT happen when the sympathetic branch is stimulated?
◦ Impulses go faster through the AV node.
◦ Heart rate increases.
◦ The heart becomes more irritable.
◦ Ventricular conduction slows down.



Chocorrol77

  • Sr. Member
  • ****
  • Posts: 313
Ventricular conduction slows down.



panfilo

  • Hero Member
  • *****
  • Posts: 572
When an EKG machine is turned on but not yet connected to the patient, the stylus produces a straight line called the ________ line.
◦ equal force
◦ isoelectric
◦ straight
◦ standard





Andromeda18

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

For a complete list of videos, visit our video library