Cardiac System

Cardiac System

12th Grade

15 Qs

quiz-placeholder

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Cardiac System

Cardiac System

Assessment

Quiz

Science

12th Grade

Practice Problem

Hard

NGSS
HS-LS1-3

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which layer of the heart contains a lubricating fluid that reduces friction as the heart beats?

Pericardium

Endocardium

Myocardium

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which would you focus on in order to judge the health of the ventricles?

T wave

P wave

PR segment

QRS complex

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the P wave on an EKG looks abnormal, which structures in the heart are likely damaged?

SA/AV node

Aortic valve

Bundle of His

Purkinje fibers

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does depolarization result in?

relaxation

contraction

repulsion

attraction

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the second step to heart contraction?

Atria contract

ventricles contract

depolarization of SA node

Impulse spreads throughout the atria

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A heart rate 100 bpm or above is called _______.

bradycardia

tachycardia

arrhythmia

fibrillation

Tags

NGSS.HS-LS1-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A person's blood pressure is a reflection of: 

lymphatic pressure.​

arterial pressure.

osmotic pressure.

venous pressure.

Tags

NGSS.HS-LS1-3

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