Heart Physiology

Heart Physiology

9th - 12th Grade

8 Qs

quiz-placeholder

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Heart Physiology

Heart Physiology

Assessment

Quiz

Science

9th - 12th Grade

Hard

NGSS
HS-LS1-3, HS-PS3-5

Standards-aligned

Created by

Marcelle Khalilhein

Used 106+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: Your heart needs a signal from your brain in order for it to keep its normal rhythm.

True

False

Tags

NGSS.HS-LS1-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of the following shows the correct order of the cardiac conduction system (as seen in graph)?

1. Repolarization, 2. pacemaker potential, 3. depolarization

1. Pacemaker potential, 2. depolarization, 3. repolarization

1. Pacemaker potential, 2. repolarization, 3. depolarization

1. Depolarization, 2. repolarization, 3. pacemaker potential

Tags

NGSS.HS-PS3-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What ion is responsible for pacemaker potential?

Sodium

Lithium

Magnesium

Potassium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is referred to the pacemaker of the heart?

Sinoatrial (SA) node

Atrioventricular (AV) node

Atrioventricular (AV) bundle

Purkinje fibers

Tags

NGSS.HS-LS1-3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do cardiac muscles have a longer, slower sustained contraction compared to skeletal muscles?

To prevent the heart from beating too slowly

To prevent the heart from beating too quickly

To prevent the heart from fatiguing quickly

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following can INCREASE your heart rate?

Yoga

Sleep

Anxiety

Meditation

Tags

NGSS.HS-LS1-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an ECG or EKG record?

the electrical changes in the myocardium

the chemical changes in the medulla oblongata

the amount of blood filling the ventricles

the amount of blood filling the atria

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes the "lub" sound of your heart?

The aorta sending blood to the rest of your body

The Superior and Inferior Vena Cava sending blood into the atria

The SL valves closing

The AV valves closing