Figure 41-2 the Accompanying Figure Represents a Sequence of Events

question 51

Multiple Choice

Figure 41-2 The accompanying figure represents a sequence of events occurring in the neuronal membrane (designated by the numbers 1 and 2) . The letter "I" indicates an ion. What event is mostly likely being portrayed in this figure?

• A) activation of voltage-gated sodium channels
• B) activation of voltage-gated potassium channels
• C) activation of voltage-gated chloride channels
• D) activation of sodium-chloride pumps
• E) activation of sodium-potassium pumps

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Definitions:

Digoxin

A medication used to treat various heart conditions, such as atrial fibrillation and heart failure.

Systemic Venous Congestion

A condition where there is an abnormal accumulation of blood in the venous system, often related to heart failure.

Peripheral Edema

Swelling caused by an accumulation of fluid in the tissues located at the outer regions of the body, often affecting the legs and ankles.

Heart Failure

A chronic condition in which the heart is unable to pump blood efficiently throughout the body, leading to symptoms like fatigue and shortness of breath.