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

Author Question: Which of the following does NOT happen when the sympathetic branch is stimulated? A) Heart rate ... (Read 81 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
on: Jul 2, 2018
Which of the following does NOT happen when the sympathetic branch is stimulated?
 
  A) Heart rate increases.
  B) The heart becomes more irritable.
  C) Impulses go faster through the AV node.
  D) Ventricular conduction slows down.

Question 2

Which of the following best explains the mechanism called irritability?
 
  A) The ventricles repolarize before they are ready.
  B) The normal pacemaker slows down and gives up control.
  C) A lower pacemaker site speeds up to take control of the heart.
  D) The normal pacemaker changes its inherent rate.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ankilker

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 2, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


swpotter12

  • Member
  • Posts: 527
Reply 2 on: Jul 2, 2018
Gracias!

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Surface of the heart. Surface of the heart.
Effects of the sympathetic and parasympathetic nervous systems Effects of the sympathetic and parasympathetic nervous systems
Anatomy of the heart. Remember: It is labeled right and left based on the patient’s perspective. Anatomy of the heart. Remember: It is labeled right and left based on the patient’s perspective.
Location of the heart in the mediastinum of the throrax Location of the heart in the mediastinum of the throrax
Heart block Heart block
Rate order question Rate order question
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library