3.1 EKG

3.1 EKG

Assessment

Flashcard

Biology, Other Sciences

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What are Purkinje fibers?

Back

Purkinje fibers are specialized conductive fibers located in the inner ventricular walls of the heart that help coordinate the contraction of the ventricles.

2.

FLASHCARD QUESTION

Front

What does an EKG measure?

Back

An EKG (electrocardiogram) measures the electrical activity of the heart.

3.

FLASHCARD QUESTION

Front

What does EKG stand for?

Back

EKG stands for Electrocardiogram.

4.

FLASHCARD QUESTION

Front

What happens if an EKG reading is missing the P wave?

Back

If an EKG reading is missing the P wave, it indicates that the atria are not contracting.

5.

FLASHCARD QUESTION

Front

Describe the flow of electrical impulses through the heart.

Back

The flow of electrical impulses through the heart is: SA node → AV node → Bundle of His → Purkinje fibers → Ventricular depolarization (contraction).

6.

FLASHCARD QUESTION

Front

What is the function of the SA node?

Back

The SA node (sinoatrial node) is the natural pacemaker of the heart that initiates the electrical impulses for heartbeats.

7.

FLASHCARD QUESTION

Front

What is the role of the AV node?

Back

The AV node (atrioventricular node) receives impulses from the SA node and delays them before passing them to the ventricles.

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