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 31 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
Thanks for the timely response, appreciate it

ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

The role of leptin in regulating appetite and metabolic rate. The role of leptin in regulating appetite and metabolic rate.
The Coronary Arteries and Major Veins of the Heart (Anterior and Inferior Views) The Coronary Arteries and Major Veins of the Heart (Anterior and Inferior Views)
The thymus gland. This gland lies in the mediastinum of the thoracic cavity, just above the heart. I The thymus gland. This gland lies in the mediastinum of the thoracic cavity, just above the heart. I
HEART HEART
Anterior View of the Heart Anterior View of the Heart
Nervous System Regulation of the Heart Nervous System Regulation of the Heart
Video: Carbohydrate Metabolism: Introduction to renal processes and filtrate formation and composition

For a complete list of videos, visit our video library