Quiz: How Much Do You Actually Know About The Human Heart?

1. The heart rate is controlled by:

Sinoatrial node

Atrioventricular node

Bundle of HIS

Purkinje fibers

2. The Bundle of HIS conducts impulses to the right and left ventricles.

True

False

3. Oxygenated blood from the lungs returns to the heart via the pulmonary artery.

True

False

4. The apex of the heart is located at the top.

True

False

5. The cardiac skeleton also acts as an electrical insulator.

True

False

6. Drainage by the coronary veins is into the coronary sinus or right atrium.

True

False

7. These return systemic blood to the heart.

Superior venae cavae

Inferior venae cavae

Pulmonary artery

Pulmonary vein

A & B

8. _______ is known as the visceral layer of the heart.

Endocardium

Myocardium

Epicardium

Aorta

9. Cardiac myocytes are joined by extensive ____ junctions.

Tight junctions

Adherens junctions

Desmosal

Gap junctions

Intermediate junctions

10. The epicardium covers the valves of the heart.

True

False

11. The AV node is located between the septum of both ventricles.

True

False

12. Cardiac myocytes contain secretory granules, ANP that stimulate vasodilation, and decrease sodium excretion.

True

False

13. Blood is supplied by the two coronary arteries that branch extensively and form a rich capillary network within the:

Endocardium

Myocardium

Epicardium

Pericardium

14. This pericardium is composed of a simple squamous epithelium known as the ______.

Endothelium

Medothelium

Mesothelium

Epithelium

Keratin

15. Cardiac muscle cells attach the _ to the _.

Endocardium, fibrous cardiac skeleton

Myocardium, fibrous cardiac skeleton

Endocardium, epicardium

Epicardium, fibrous cardiac skeleton

Myocardium, epicardium

16. This represents the Endocardium

Tunica adventiti

Tunica intima

Squamous epithelium

Cardiac muscle cells

B & C

17. Cardiac muscle cells can be specialized for:

Endocrine secretions

Exocrine secretions

Impulse generation

A & C

B & C

18. The fibrous skeleton consists of ____ fibrous rings.

2

3

4

6

8

19. The blood passes through the _______ into the right ventricle.

Atrioventricular valve

Tricuspid Valve

Bicuspid Valve

A & B

B & C

Quiz: How Much Do You Actually Know About The Human Heart?

1. The heart rate is controlled by:

2.

What first name or nickname would you like us to use?

2. The Bundle of HIS conducts impulses to the right and left ventricles.

3. Oxygenated blood from the lungs returns to the heart via the pulmonary artery.

4. The apex of the heart is located at the top.

5. The cardiac skeleton also acts as an electrical insulator.

6. Drainage by the coronary veins is into the coronary sinus or right atrium.

7. These return systemic blood to the heart.

8. _______ is known as the visceral layer of the heart.

9. Cardiac myocytes are joined by extensive ____ junctions.

10. The epicardium covers the valves of the heart.

11. The AV node is located between the septum of both ventricles.

12. Cardiac myocytes contain secretory granules, ANP that stimulate vasodilation, and decrease sodium excretion.

13. Blood is supplied by the two coronary arteries that branch extensively and form a rich capillary network within the:

14. This pericardium is composed of a simple squamous epithelium known as the ______.

15. Cardiac muscle cells attach the _______ to the _______.

16. This represents the Endocardium

17. Cardiac muscle cells can be specialized for:

18. The fibrous skeleton consists of ____ fibrous rings.

19. The blood passes through the _______ into the right ventricle.

15. Cardiac muscle cells attach the _ to the _.