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

Author Question: Which of the following ions has a direct effect on ventricular muscle contraction? (Read 107 times)

ashley

  • Hero Member
  • *****
  • Posts: 584

Question 1

Which of the following is NOT true?
◦ Cardiac contraction requires the presence of calcium ions.
◦ Cardiac cells must be depolarized before they can contract.
◦ Cardiac contraction occurs as a result of phase 0 of the action potential.
◦ Cardiac cells can contract without having been depolarized.

Question 2

Which of the following ions has a direct effect on ventricular muscle contraction?
◦ Calcium
◦ Potassium
◦ Sodium
◦ Magnesium


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by ashley on Apr 15, 2019

emily12345

  • Sr. Member
  • ****
  • Posts: 321
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly




emily12345

  • Sr. Member
  • ****
  • Posts: 321

 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Everyone has one nostril that is larger than the other.

For a complete list of videos, visit our video library