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 79 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
Excellent

kjohnson

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge
The Heart The Heart
External anatomy of the heart External anatomy of the heart
Examples of heart rhythms: ventricular tachycardia. Examples of heart rhythms: ventricular tachycardia.
Explain the myogenic autoregulation of the glomerular filtration rate Explain the myogenic autoregulation of the glomerular filtration rate
The rate of replacement of a recessive allele d by the dominant allele D by mutation alone. Even tho The rate of replacement of a recessive allele d by the dominant allele D by mutation alone. Even tho
Video: Genetic distance between human groups

For a complete list of videos, visit our video library