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PAX RN Cardiovascular

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PAX RN Cardiovascular

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1. Pathway of Blood Through the Heart

Responsible for transporting oxygen - Do not have nuclei or mitochondria - Small and thinleukocytesA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.

2. White Blood Cells are also known as .....?

leukocytesResponsible for transporting oxygen - Do not have nuclei or mitochondria - Small and thinA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.

3. Blood

Responsible for transporting oxygen - Do not have nuclei or mitochondria - Small and thinA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.leukocytes1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.

4. Red Blood Cells

A connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.Responsible for transporting oxygen - Do not have nuclei or mitochondria - Small and thinleukocytes1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.

5. Red blood cells, white blood cells, + platelets make of ________% of whole blood.

45%1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytesA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.

6. The heart consists of four chambers: two ________ and two ___________.

atria + ventriclesA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytes

7. When the heart relaxes, the pressure __________.

decreasesA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.leukocytes1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.

8. As blood passes through the vessels of the circulatory system, ______ and _____ can leak out. Where do the substances that are lost leak out into?

leukocytesA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.Fluid + Proteins - The fluid + proteins diffuse into lymph capillaries.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.

9. Through the _______ _______, materials enter and leave the blood.

1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.A connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.capillary wallsleukocytes

10. Capillaries

1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytesTiny blood vessels that connect arteries and veinsA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.

11. There are _________ red blood cells in the body than black blood cells?

leukocytes1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.A connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.More

12. The blood in pulmonary arteries is _______.

13. White Blood Cells

Blood cells that perform the function of destroying disease-causing microorganisms (host immune defense)leukocytesA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.

14. Because arteries carry blood at relatively ______ pressure, they are _____.

leukocyteshigh; muscular1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.A connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.

15. Capillary walls are _____ _____ thick.

leukocytesone cellA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.

16. Blood pressure from the pumping action of the heart forces blood to _______.

17. What do red blood cells contain 250 million molecules of?

Hemoglobin1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytesA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.

18. What part of the lymphatic system can be checked as a sign of infection?

19. Inferior Vena Cava

A vein that is the largest vein in the human body and returns blood to the right atrium of the heart from bodily parts below the diaphragm.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytesA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.

20. Red Blood Cells are also known as ....?

A connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.erythrocytesleukocytes

21. An infection is indicated when the # of ______ ______ _____ exceeds the normal concentration.

white blood cellsA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytes

22. The blood in pulmonary veins is _________.

A connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.oxygenated1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytes

23. Plasma makes up ______% of whole blood.

55%A connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytes

24. Inside the lymphatic system, the fluid (lymph) returns to the ________ _______.

leukocytescirculatory system1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.A connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.

25. Atrium (p: atria)

1. Blood enters the right atrium through the superior vena cava + inferior vena cava 2. It then passes through the atrioventricular valve into the right ventricle. 3. The right ventricle pumps blood through the semilunar valve into the pulmonary arteries, which carry the blood to the lungs. 4. Newly oxygenated blood leaves the lungs via the pulmonary veins, which return blood to the left atrium. 5. From there it passes through another atrioventricular valve to the left ventricle. 6. Muscular contractions of the left ventricle pump blood through the aorta to all parts of the body.leukocytesReceive bloodA connective tissue with a fluid matrix called plasma in which red blood cells, white blood cells, and cell fragments called platelets are suspended.

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25 Questions

❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

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All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com