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Cardiovascular System - Electrical Events

Authored by Jillian Peeples

Biology

12th Grade

NGSS covered

Used 15+ times

Cardiovascular System - Electrical Events
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41 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The t-wave correlates with which event?

atrium contraction /signals moving from SA node to AV node
ventricle contraction
ventricle repolarization
both atrial and ventricle contraction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The QRS-wave correlates with which event?

atrium contraction /signals moving from SA node to AV node
ventricle contraction
ventricle repolarization
both atrial and ventricle contraction

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the sequence of events in the transmission of an impulse through the heart muscle?
 a: AV node
 b: AV bundle
 c: SA node
 d: Through the atria
 e: Through the ventricles
 f: Bundle branches
 g: Purkinje fibers 

d, b, a, c, f, g, e

c, d, a, b, f, g, e

b, a, d, c, f, g, e

f, g, d, c, b, a, e

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Order the phases an action potential travels in the conduction system

SA node--> AV bundle branches--> AV node--> Purkinje fibers
SA node--> AV node--> AV bundle branches-->  Purkinje fibers
Av bundle branches--> AV node--> SA node--> Purkinje fibers
Purkinje fibers--> SA node--> AV node--> AV bundle branches

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The role of the atrioventricular node (AV node) is to

initiate a sinus rhythm
conduct impulses to the sinoatrial node (SA node)
initiate ventricular depolarization
slow down impulses so that the atria can contract to fill the adjacent ventricles with blood

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The P wave of an ECG represents

atrial repolarization
atrial depolarization
ventricular repolarization
ventricular depolarization

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the heart is beating too fast, it might be indicative of this condition: 

Brachycardia
Tachycardia
Congestive Heart Failure
Heart Murmurs

Tags

NGSS.HS-LS1-3

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