Which is not true about early after depolarizations in ventricular cardiac muscle? A. Excitatory currents re-activate and interact with other currents which can cause EADs. B. EADs are sustained by re-entrant refractoiness. C. EADs are often associated with Long QT syndrome. D. Premature reactivation of excitatory current currents during repolarization is a cause of EADs. E. Adverse drug reactions resulting in diminished potassium currents relative to calcium currents are associated with EADs.
Which is not true about early after depolarizations in ventricular cardiac muscle? A. Excitatory currents re-activate and interact with other currents which can cause EADs. B. EADs are sustained by re-entrant refractoiness. C. EADs are often associated with Long QT syndrome. D. Premature reactivation of excitatory current currents during repolarization is a cause of EADs. E. Adverse drug reactions resulting in diminished potassium currents relative to calcium currents are associated with EADs.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Which is not true about early after depolarizations in ventricular cardiac muscle?
| A. |
Excitatory currents re-activate and interact with other currents which can cause EADs.
|
|
| B. |
EADs are sustained by re-entrant refractoiness.
|
|
| C. |
EADs are often associated with Long QT syndrome.
|
|
| D. |
Premature reactivation of excitatory current currents during repolarization is a cause of EADs.
|
|
| E. |
Adverse drug reactions resulting in diminished potassium currents relative to calcium currents are associated with EADs.
|
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