Author Question: Which cardiac cells are responsible for initiating and conducting pacemaker impulses? A) Motor ... (Read 73 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
Which cardiac cells are responsible for initiating and conducting pacemaker impulses?
 
  A) Motor cells
  B) Mechanical cells
  C) Electrical cells
  D) Atrioventricular cells

Question 2

When stimulated, the ________ branch of the nervous system increases heart rate, AV conduction, and irritability.
 
  A) parasympathetic
  B) sympathetic
  C) pacemaker
  D) inherent



Cheesycrackers

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

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

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library