Cardiovascular Physiology Knowledge Test

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1. 1

   What is the primary function of the cardiovascular system?

   A To aid in digestion B To transport nutrients and oxygen C To produce hormones
2. 2

   Which component of the blood carries oxygen to the body cells?

   A Red blood cells B White blood cells C Platelets
3. 3

   What is the function of the heart's valves?

   A To pump blood into the lungs B To oxygenate the blood C To prevent the backflow of blood
4. 4

   Which chamber of the heart receives oxygenated blood from the lungs?

   A Right atrium B Left atrium C Right ventricle
5. 5

   What is the sinoatrial (SA) node often referred to as?

   A The pacemaker of the heart B The heart's valve C A type of blood cell
6. 6

   Which blood vessels carry blood away from the heart?

   A Arteries B Veins C Capillaries
7. 7

   What is cardiac output?

   A The amount of blood in the lungs B The number of heartbeats per minute C The volume of blood the heart pumps per minute
8. 8

   What is the role of capillaries in the cardiovascular system?

   A To transport lymph fluid B To facilitate exchange of gases, nutrients, and waste C To store blood
9. 9

   Which ion is most crucial for cardiac muscle contraction?

   A Calcium B Sodium C Potassium
10. 10

    What does the term 'systole' refer to?

    A Relaxation of the heart chambers B Filling of the heart chambers C Contraction of the heart chambers