The Ultimate Heart Model & Sheep Heart Practice Quiz!

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Quizzes Created: 1 | Total Attempts: 13,402
| Attempts: 13,402 | Questions: 54 | Updated: Oct 14, 2024
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1. 51. Name the region of the heart.

Explanation

The region of the heart referred to in the answer options is the apex. The apex of the heart is the pointed, bottom part of the heart that is formed by the tip of the left ventricle. It is located at the lower left side of the heart and is responsible for pumping oxygenated blood to the rest of the body.

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About This Quiz
The Ultimate Heart Model & Sheep Heart Practice Quiz! - Quiz

Take this practice quiz that covers information related to the sheep heart & the heart model. It is intended for use as a supplemental study aid. As is the case in the lab practical, each correct answer counts. So, make sure you learn from the feedback.

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2. 8. Name the vessel- be specific.

Explanation

The correct answer is "Inferior Vena Cava." The Inferior Vena Cava is a large vein that carries deoxygenated blood from the lower body to the heart. It is located on the right side of the body and runs parallel to the spine. The Inferior Vena Cava plays a crucial role in returning blood to the heart for oxygenation and circulation throughout the body.

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3. 29. Name the region of the heart.

Explanation

The correct answer is "Apex, apex of heart." The apex refers to the pointed bottom part of the heart, which is formed by the left ventricle. It is located at the lower left side of the heart and is commonly used as a landmark for cardiac examinations and procedures. The term "apex of the heart" is often used interchangeably with "apex" to describe this specific region of the heart.

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4. 41. What chamber lies beneath #40?

Explanation

The chamber that lies beneath #40 is the Right Atrium.

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5. 2. Name the vessel- be specific.

Explanation

The Superior Vena Cava is a large vein that carries deoxygenated blood from the upper half of the body back to the heart. It is located in the chest and is responsible for returning blood from the head, neck, arms, and upper chest to the right atrium of the heart. This vessel plays a crucial role in the circulatory system by ensuring that oxygen-depleted blood is transported back to the heart for reoxygenation.

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6. 3. Name the structure-be specific.

Explanation

The correct answer is "Left Auricle." The left auricle is a structure located in the heart. It is a small, muscular pouch that is attached to the left atrium. Its main function is to help increase the capacity of the left atrium, allowing it to hold more blood. This increased capacity helps to ensure that an adequate amount of blood is pumped out of the heart with each contraction.

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7. 15. Name the chamber where #14 is located.  

Explanation

The right ventricle is the chamber where #14 is located. The heart has four chambers - the left and right atria, and the left and right ventricles. The right ventricle is responsible for pumping oxygen-depleted blood from the heart to the lungs to be oxygenated. It receives blood from the right atrium and contracts to push the blood through the pulmonary artery.

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8. 17. Is the blood that flows through #16 oxygenated or deoxygenated?

Explanation

The blood that flows through #16 is deoxygenated. This means that it has already delivered oxygen to the body's tissues and is returning to the heart and lungs to pick up more oxygen. Deoxygenated blood is typically darker in color because it contains less oxygen and more carbon dioxide.

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9. 28. Name the chamber.

Explanation

The correct answer is Left Atrium. The left atrium is one of the four chambers of the heart. It receives oxygenated blood from the lungs and pumps it into the left ventricle, which then pumps it out to the rest of the body. The left atrium is responsible for maintaining blood flow and ensuring proper circulation throughout the body.

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10. 31. Name the chamber.

Explanation

The correct answer is "Right Atrium." The right atrium is one of the four chambers of the heart. It receives deoxygenated blood from the body through the superior and inferior vena cava and then pumps it into the right ventricle.

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11. 43. Name the layer of cardiac tissue.

Explanation

The correct answer is Epicardium. The epicardium is the outermost layer of the heart wall and is composed of connective tissue and a layer of mesothelium. It helps protect the heart and provides a smooth surface for the heart to beat against.

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12. 7. Name the structure.

Explanation

The structure being referred to in this question is the trachea. The trachea is a tube-like structure that connects the larynx (voice box) to the bronchi of the lungs. It is responsible for allowing air to pass through and reach the lungs. The trachea is lined with cilia and mucus-producing cells, which help to trap and remove any foreign particles or debris from the air before it reaches the lungs.

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13. 12. Name the vessel.

Explanation

The given answer "Aorta" is the name of the vessel. The aorta is the largest artery in the human body that carries oxygenated blood from the heart to the rest of the body. It is a vital part of the circulatory system and plays a crucial role in supplying oxygen and nutrients to all the organs and tissues.

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14. 26. Name the layer of cardiac tissue.

Explanation

The correct answer is Myocardium. The myocardium is the middle layer of the heart wall and is composed of cardiac muscle tissue. It is responsible for the contraction and pumping action of the heart, allowing it to effectively circulate blood throughout the body.

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15. 27. Name the vessel.

Explanation

The correct answer is Pulmonary Trunk. The pulmonary trunk is a large blood vessel that arises from the right ventricle of the heart. It carries deoxygenated blood from the heart to the lungs, where it branches into the left and right pulmonary arteries. This vessel is responsible for transporting blood to the lungs for oxygenation.

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16. 50. Name the layer of cardiac tissue.

Explanation

The correct answer is Myocardium. The myocardium is the middle layer of cardiac tissue in the heart. It is composed of specialized muscle cells called cardiomyocytes, which are responsible for the contraction and relaxation of the heart. The myocardium plays a crucial role in pumping blood throughout the body and maintaining the heart's function.

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17. 53. Name the first chamber that the probe passes through as it enters the heart.

Explanation

As the probe enters the heart, the first chamber it passes through is the left atrium. The left atrium receives oxygenated blood from the lungs and then contracts to pump it into the left ventricle. This is an important step in the circulation of blood throughout the body.

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18. 54. Name the layer of cardiac tissue.

Explanation

The endocardium is the innermost layer of the heart. It is a thin, smooth, and delicate layer that lines the chambers of the heart and covers the heart valves. The endocardium is composed of endothelial cells and connective tissue. It plays a crucial role in maintaining the integrity and function of the heart by providing a smooth surface for blood flow, preventing blood clots, and facilitating the contraction and relaxation of the heart muscle.

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19. 33. Name the structure.

Explanation

The structure being referred to in this question is the Left Auricle. The auricle is a small, ear-like structure located on the superior surface of the heart's atrium. It is responsible for collecting blood and directing it into the atrium, allowing for efficient filling of the heart chambers.

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20. 16. Name the valve.

Explanation

The correct answer is Tricuspid Valve. The tricuspid valve is located between the right atrium and the right ventricle in the heart. It consists of three leaflets or cusps that open and close to regulate the flow of blood from the atrium to the ventricle. When the right atrium contracts, the tricuspid valve opens to allow blood to flow into the right ventricle. When the right ventricle contracts, the valve closes to prevent backflow of blood into the atrium.

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21. 25. Name the valve.

Explanation

The correct answer is Bicuspid Valve, Mitral Valve. These are two names for the same valve in the heart. The bicuspid valve is also known as the mitral valve. It is located between the left atrium and the left ventricle of the heart and allows blood to flow from the atrium to the ventricle while preventing backflow.

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22. 30. Name the layer of cardiac tissue.

Explanation

The epicardium is the outermost layer of the heart tissue. It is a thin layer that covers the surface of the heart and is composed of connective tissue and epithelial cells. The epicardium helps protect the heart and provides a smooth surface for the heart to beat against.

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23. 46. Name the vessel that the probe passes through.

Explanation

The probe passes through the aorta. The aorta is the largest artery in the body and carries oxygenated blood from the heart to the rest of the body. It is a vital part of the circulatory system and plays a crucial role in delivering oxygen and nutrients to all the organs and tissues.

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24. 49. Name the structure.

Explanation

The structure being referred to in this question is the Interventricular Septum. The Interventricular Septum is a wall of tissue that separates the two ventricles of the heart. It plays a crucial role in maintaining the separation of oxygen-rich and oxygen-poor blood, ensuring proper circulation throughout the body.

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25. 1. Name the structure- be specific.

Explanation

The right auricle is a specific structure located in the heart. It is a small, muscular pouch-like structure that is attached to the right atrium. Its main function is to increase the capacity of the right atrium, allowing it to hold more blood. The right auricle helps in the efficient filling of the right ventricle and ensures proper blood flow through the heart.

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26. 11. Name the structure (NOT the vessels!)

Explanation

The correct answer is Interventricular Septum. The interventricular septum is a structure in the heart that separates the left and right ventricles. It is a thick muscular wall that prevents the mixing of oxygenated and deoxygenated blood.

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27. 13. From what chamber does #12 receive blood? (Reworded: #12 receives blood from what chamber?)

Explanation

The structure labeled #12 appears to be the pulmonary trunk. The pulmonary trunk receives blood from the right ventricle.

The right ventricle pumps deoxygenated blood into the pulmonary trunk, which then branches into the left and right pulmonary arteries, carrying the blood to the lungs for oxygenation.

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28. 37. Name the structures.

Explanation

The correct answer is Papillary Muscles, Papillary Muscle. The question is asking for the names of structures, and the answer provided includes two names: "Papillary Muscles" and "Papillary Muscle". It is likely that these names refer to specific muscles or muscle groups in the body. Without further context, it is difficult to provide a more specific explanation.

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29. 23. Name the layer of cardiac tissue.

Explanation

The endocardium is the innermost layer of the heart, consisting of a thin, smooth membrane that lines the chambers and valves. It is made up of endothelial cells and connective tissue, and its main function is to provide a smooth surface for blood to flow through the heart, as well as to help regulate cardiac muscle contraction and relaxation.

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30. 40. Name the specific structure.

Explanation

The specific structure being referred to in this question is the Right Auricle. The auricle is a small, muscular pouch-like structure located on the outer surface of the heart. It is responsible for receiving blood from the veins and directing it into the right atrium of the heart. The right auricle plays a crucial role in the circulation of blood and helps maintain proper cardiac function.

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31. 45. To which valve does #44 attach?

Explanation

The correct answer is the Tricuspid Valve. This suggests that the valve mentioned in question #44 is the Tricuspid Valve.

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32. 21. Name the vessels.

Explanation

The vessels mentioned in the question are called pulmonary arteries. These arteries carry deoxygenated blood from the heart to the lungs, where it is oxygenated. The oxygenated blood is then returned to the heart through the pulmonary veins. The pulmonary arteries are an essential part of the circulatory system and play a crucial role in maintaining the oxygenation of blood throughout the body.

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33. 4. Name the vessels.

Explanation

The vessels that are named in this question are the Pulmonary Veins. These veins are responsible for carrying oxygenated blood from the lungs back to the heart. They play a crucial role in the circulatory system, as they help in the oxygenation process and ensure that oxygen-rich blood is distributed to the rest of the body.

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34. 14. Name the specific structures.

Explanation

The specific structures being referred to in this question are the papillary muscle and papillary muscles. The papillary muscle is a small, cone-shaped muscle found in the ventricles of the heart. It attaches to the cusps of the atrioventricular valves (mitral and tricuspid valves) via chordae tendineae, which helps to prevent the valves from inverting during ventricular contraction. There are multiple papillary muscles in each ventricle, and their main function is to assist in the contraction of the ventricles and maintain the proper functioning of the heart valves.

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35. 42. Is this the anterior side or posterior side of the heart?

Explanation

The correct answer is "posterior side" because the posterior side of the heart refers to the back or rear surface of the heart. This is the side that is closer to the spine and faces towards the back of the body.

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36. 24. What is the most superior region of the heart? (Hint: This is the site where most major blood vessels enter/exit the heart.)

Explanation

The most superior region of the heart is the base. This is because it is the site where most major blood vessels enter and exit the heart. The base is located at the top of the heart, opposite to the apex.

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37. 39. Name the valve.

Explanation

The correct answer is Bicuspid Valve, Mitral Valve. The bicuspid valve, also known as the mitral valve, is located between the left atrium and left ventricle of the heart. It consists of two cusps that open and close to regulate blood flow from the atrium to the ventricle. This valve prevents the backflow of blood into the atrium during ventricular contraction, ensuring that blood flows in one direction through the heart.

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38. 48. Name the valve that the teasing needle passes through.

Explanation

The teasing needle passes through the Aortic Semilunar Valve. This valve is located between the left ventricle and the aorta. It prevents the backflow of blood from the aorta into the left ventricle during diastole. The teasing needle is likely used in medical procedures or dissections to manipulate or examine the valve.

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39. 6. Name the structure.

Explanation

The structure being referred to in this question is the esophagus. The esophagus is a muscular tube that connects the throat to the stomach. Its main function is to transport food and liquids from the mouth to the stomach through a process called peristalsis. It is lined with a mucous membrane that helps in the smooth passage of food.

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40. 10. Name the vessels.

Explanation

The given answer "Coronary Arteries" correctly names the vessels being referred to in the question. The question asks for the name of the vessels, and the answer provides the correct name. The Coronary Arteries are the blood vessels that supply oxygen and nutrients to the heart muscle.

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41. 19. Name the valve.

Explanation

The valve mentioned in the question is the Pulmonary Semilunar Valve. This valve is located between the right ventricle and the pulmonary artery. Its main function is to prevent the backflow of blood from the pulmonary artery into the right ventricle. When the right ventricle contracts, the valve opens, allowing blood to flow into the pulmonary artery. When the ventricle relaxes, the valve closes, preventing blood from flowing back into the ventricle. This ensures that blood is directed towards the lungs for oxygenation and prevents it from flowing back into the heart.

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42. 22. Name the valve.  

Explanation

The correct answer is Aortic Semilunar Valve. This valve is located between the left ventricle and the aorta in the heart. It prevents the backflow of blood from the aorta into the left ventricle when the heart is relaxing. The aortic semilunar valve consists of three cusps or flaps that open and close to regulate the flow of blood.

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43. 38. Name the chamber where #37 is located.

Explanation

The correct answer is Left Ventricle. The left ventricle is a chamber located in the heart. It is responsible for pumping oxygenated blood to the rest of the body.

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44. 47. Does #46 play a role in pulmonary circulation or systemic circulation?

Explanation

The correct answer is systemic circulation because systemic circulation refers to the circulation of blood throughout the body, delivering oxygen and nutrients to the tissues and removing waste products. Pulmonary circulation, on the other hand, refers to the circulation of blood between the heart and lungs, where oxygen is picked up and carbon dioxide is released. Since the question asks whether #46 plays a role in pulmonary circulation or systemic circulation, the correct answer would be systemic circulation.

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45. 5. Do the vessels in #4 carry blood to or from the heart?

Explanation

The vessels in #4 carry blood to the heart. This means that the blood is being transported from other parts of the body towards the heart.

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46. 35. Name the valve that the tip of the probe is set/pushing against.

Explanation

The correct answer is the Pulmonary Semilunar Valve. The probe is set or pushing against this valve.

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47. 18. Name the structures (NOT the valve!)

Explanation

Chordae tendineae are fibrous cords that connect the papillary muscles to the cusps of the atrioventricular valves in the heart. They play a crucial role in preventing the valves from inverting or prolapsing during ventricular contraction, ensuring the proper flow of blood through the heart.

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48. 32. Is this the anterior side or posterior side of the heart?

Explanation

The correct answer is "anterior side." The anterior side of the heart refers to the front or the forward-facing side of the heart. It is the side that is closest to the chest wall.

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49. 52. Name the vessel(s) that the probe passes through.

Explanation

The probe passes through the Pulmonary Vein and Pulmonary Veins.

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50. 34. Name the vessel that the probe passes through.

Explanation

The vessel that the probe passes through is called the Pulmonary Trunk.

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51. 44. Name the structures.

Explanation

Chordae Tendineae are fibrous cords that connect the papillary muscles to the atrioventricular valves (mitral and tricuspid valves) in the heart. They prevent the valves from inverting or bulging into the atria during ventricular contraction, ensuring the proper flow of blood through the heart.

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52. 9. Name the blood vessels.

Explanation

The correct answer is "Coronary Veins." Coronary veins are blood vessels that carry deoxygenated blood from the heart muscle back to the right atrium of the heart. They are responsible for draining the waste products and carbon dioxide from the heart muscle and play a crucial role in maintaining proper blood circulation.

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53. 36. Name the structures.

Explanation

Trabeculae Carneae are muscular ridges or columns found on the inner surface of the ventricles of the heart. They are composed of cardiac muscle tissue and help to maintain the structural integrity of the ventricles. These structures also play a role in regulating the contraction and relaxation of the heart muscle, allowing for efficient blood pumping.

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54. 20. Name the structures.

Explanation

Trabeculae Carneae are muscular ridges or columns in the ventricles of the heart. They are composed of cardiac muscle tissue and are responsible for preventing the walls of the ventricles from sticking together during contraction. These structures help to maintain the integrity and strength of the heart muscle, allowing for efficient pumping of blood throughout the body.

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51. Name the region of the heart.
8. Name the vessel- be specific.
29. Name the region of the heart.
41. What chamber lies beneath #40?
2. Name the vessel- be specific.
3. Name the structure-be specific.
15. Name the chamber where #14 is located.  
17. Is the blood that flows through #16 oxygenated or deoxygenated?
28. Name the chamber.
31. Name the chamber.
43. Name the layer of cardiac tissue.
7. Name the structure.
12. Name the vessel.
26. Name the layer of cardiac tissue.
27. Name the vessel.
50. Name the layer of cardiac tissue.
53. Name the first chamber that the probe passes through as it enters...
54. Name the layer of cardiac tissue.
33. Name the structure.
16. Name the valve.
25. Name the valve.
30. Name the layer of cardiac tissue.
46. Name the vessel that the probe passes through.
49. Name the structure.
1. Name the structure- be specific.
11. Name the structure (NOT the vessels!)
13. From what chamber does #12 receive blood? (Reworded: #12 receives...
37. Name the structures.
23. Name the layer of cardiac tissue.
40. Name the specific structure.
45. To which valve does #44 attach?
21. Name the vessels.
4. Name the vessels.
14. Name the specific structures.
42. Is this the anterior side or posterior side of the heart?
24. What is the most superior region of the heart?...
39. Name the valve.
48. Name the valve that the teasing needle passes through.
6. Name the structure.
10. Name the vessels.
19. Name the valve.
22. Name the valve.  
38. Name the chamber where #37 is located.
47. Does #46 play a role in pulmonary circulation or systemic...
5. Do the vessels in #4 carry blood to or from the heart?
35. Name the valve that the tip of the probe is...
18. Name the structures (NOT the valve!)
32. Is this the anterior side or posterior side of the heart?
52. Name the vessel(s) that the probe passes through.
34. Name the vessel that the probe passes through.
44. Name the structures.
9. Name the blood vessels.
36. Name the structures.
20. Name the structures.
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