Functions Of Circulatory SySTEM

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Functions Of Circulatory System - Quiz

This is a quiz over the heart, arteries and veins in the circulatory system of the dogfsh shark.


Questions and Answers
  • 1. 

    What is the function of the sinus venosus?

    • A.

      Forces blood from ventricle to the ventral aorta and then to the gills

    • B.

      Provide blood from the body back to the cardinal sinus

    • C.

      Receives unoxygenated blood from the body

    • D.

      Receives unoxygenated blood and pumps it into the ventricle

    • E.

      None of the above

    Correct Answer
    C. Receives unoxygenated blood from the body
    Explanation
    The sinus venosus is a small chamber in the heart of certain animals, such as fish and amphibians. Its main function is to receive unoxygenated blood from the body. This blood is then pumped into the ventricle, which will eventually send it to the gills for oxygenation. Therefore, the correct answer is that the sinus venosus receives unoxygenated blood from the body.

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  • 2. 

    What is the function of the atrium?

    • A.

      Receives unoxygenated blood and pumps it into the ventricle

    • B.

      Forces blood from ventricle to the ventral aorta and then to the gills

    • C.

      Receives unoxygenated blood from the body

    • D.

      Provide blood from the body back to the cardinal sinus

    • E.

      None of the above

    Correct Answer
    A. Receives unoxygenated blood and pumps it into the ventricle
    Explanation
    The function of the atrium is to receive unoxygenated blood and pump it into the ventricle.

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  • 3. 

    What is the function of the ventricle?

    • A.

      Provide blood from the body back to the cardinal sinus

    • B.

      Receives unoxygenated blood from the body

    • C.

      Pumps deoxygenated blood from the atrium into the conus arteriosus

    • D.

      Forces blood from ventricle to the ventral aorta and then to the gills

    • E.

      All of the above

    Correct Answer
    C. Pumps deoxygenated blood from the atrium into the conus arteriosus
    Explanation
    The ventricle is responsible for pumping deoxygenated blood from the atrium into the conus arteriosus. This is its main function in the circulatory system.

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  • 4. 

    After blood leaves the ventricle, where does it go next?

    • A.

      Conus arteriosus

    • B.

      Atrium

    • C.

      Sinus venosus

    • D.

      Ventral aorta

    • E.

      Dorsal aorta

    Correct Answer
    A. Conus arteriosus
    Explanation
    After blood leaves the ventricle, it flows into the conus arteriosus. The conus arteriosus is a narrow, funnel-shaped region that connects the ventricle to the main artery, the ventral aorta. From the conus arteriosus, the blood is then pumped into the ventral aorta, which carries oxygenated blood to the rest of the body.

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  • 5. 

    What is the function of the coronary arteries?

    • A.

      Provides deoxygenated blood from the hypobranchial arteries to heart tissues

    • B.

      Provides oxygenated blood from the hypobranchial arteries to heart tissues

    • C.

      Pumps blood into the atrium

    • D.

      Receives blood from the sinus venosus and pumps into the ventricle

    • E.

      All of the above

    Correct Answer
    B. Provides oxygenated blood from the hypobranchial arteries to heart tissues
    Explanation
    The function of the coronary arteries is to provide oxygenated blood from the hypobranchial arteries to the tissues of the heart.

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  • 6. 

    What vein drains blood from myotomes and body wall?

    • A.

      Posterior cardinal vein

    • B.

      Renal portal vein

    • C.

      Gastric vein

    • D.

      Caudal vein

    • E.

      Lateral abdominal vein

    Correct Answer
    E. Lateral abdominal vein
    Explanation
    The lateral abdominal vein is the correct answer because it drains blood from the myotomes (muscles) and body wall. The other options, such as the posterior cardinal vein, renal portal vein, gastric vein, and caudal vein, do not specifically drain blood from these areas.

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  • 7. 

    What is the function of the caudal vein?

    • A.

      Carries used blood from the tail

    • B.

      Supplies blood to the tail

    • C.

      Supplies blood to rectal gland from dorsal aorta

    • D.

      All of the above

    • E.

      None of the above

    Correct Answer
    A. Carries used blood from the tail
    Explanation
    The caudal vein is responsible for carrying used blood from the tail. This means that it transports deoxygenated blood, waste products, and other substances that have been used by the cells in the tail back to the heart for oxygenation and filtration.

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  • 8. 

    What vein receives deoxygenated blood from ventral side of the stomach to the hepatic portal vein?

    • A.

      Posterior cardinal vein

    • B.

      Common cardinal vein

    • C.

      Renal portal vein

    • D.

      Gastric vein

    • E.

      None of the above

    Correct Answer
    D. Gastric vein
    Explanation
    The correct answer is gastric vein. The gastric vein receives deoxygenated blood from the ventral side of the stomach and carries it to the hepatic portal vein. The other options, posterior cardinal vein, common cardinal vein, renal portal vein, and none of the above, are not involved in this specific pathway of blood flow.

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  • 9. 

    What is the function of the posterior cardinal vein?

    • A.

      Carries blood from body back to the cardinal sinus

    • B.

      Receives blood from the sinus venosus and pumps into ventricle

    • C.

      Pools blood from many areas and leads into the atrium

    • D.

      Conveys deoxygenated blood from the alimentary canal, spleen, pancreas, and rectal gland to the liver

    • E.

      None of the above

    Correct Answer
    A. Carries blood from body back to the cardinal sinus
    Explanation
    The posterior cardinal vein carries blood from the body back to the cardinal sinus.

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  • 10. 

    What vein conveys deoxygenated blood from the alimentary canal, spleen, pancreas, and rectal gland to the liver?

    • A.

      Renal portal vein

    • B.

      Gastric vein

    • C.

      Hepatic portal vein

    • D.

      Posterior cardinal vein

    • E.

      Lienomesenteric vein

    Correct Answer
    C. Hepatic portal vein
    Explanation
    The hepatic portal vein is responsible for carrying deoxygenated blood from the alimentary canal, spleen, pancreas, and rectal gland to the liver. This vein plays a crucial role in the process of digestion and metabolism, as it allows the liver to receive nutrients and substances absorbed from the gastrointestinal tract for processing and detoxification.

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  • 11. 

    The renal portal system takes the blood from the caudal vein in the tail to the kidneys via the two ____________.

    Correct Answer
    renal portal veins, renal portal vein
    Explanation
    The renal portal system is responsible for carrying blood from the caudal vein in the tail to the kidneys. This is accomplished through the use of two renal portal veins and one renal portal vein. The presence of multiple veins allows for efficient blood flow and ensures that an adequate amount of blood reaches the kidneys for filtration and waste removal.

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  • 12. 

    The posterior cardinal veins drain into ___________.

    Correct Answer
    posterior cardinal sinuses, posterior cardinal sinus
    Explanation
    The correct answer is "posterior cardinal sinuses, posterior cardinal sinus." The posterior cardinal veins refer to a pair of embryonic veins that drain blood from the posterior part of the embryo. These veins ultimately connect to the posterior cardinal sinuses, which are large venous channels located on either side of the embryo. Therefore, the posterior cardinal veins drain into the posterior cardinal sinuses or posterior cardinal sinus.

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  • 13. 

    The posterior cardinal veins empty into what veins?

    • A.

      Caual vein

    • B.

      Gastric vein

    • C.

      Lateral abdominal vein

    • D.

      Common cardinal veins

    • E.

      All of the above

    Correct Answer
    D. Common cardinal veins
    Explanation
    The posterior cardinal veins empty into the common cardinal veins. This means that all of the options listed (caudal vein, gastric vein, lateral abdominal vein) are correct, as they are all part of the common cardinal veins.

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  • 14. 

    What is the function of the lienogastric vein?

    • A.

      Drains the spleen and stomach

    • B.

      Drains the gall bladder

    • C.

      Drains the valvular intestine

    • D.

      Drains the hepatic portal vein

    • E.

      None of the above

    Correct Answer
    A. Drains the spleen and stomach
    Explanation
    The lienogastric vein is responsible for draining the spleen and stomach. This vein carries deoxygenated blood from these organs and transports it back to the circulatory system for oxygenation. It plays a crucial role in maintaining the proper functioning of the spleen and stomach by removing waste products and facilitating the exchange of nutrients and gases.

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  • 15. 

    What is the function of the intestinal vein?

    • A.

      Drains the stomach

    • B.

      Drains the gall bladder

    • C.

      Drains the pancreas

    • D.

      Drains the valvular intestine

    • E.

      All of the above

    Correct Answer
    D. Drains the valvular intestine
    Explanation
    The function of the intestinal vein is to drain the valvular intestine. This means that it is responsible for carrying deoxygenated blood from the valvular intestine back to the heart for oxygenation.

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  • 16. 

    The two coelomic cavities are separated by a  _________________.

    Correct Answer
    transverse septum
    Explanation
    The two coelomic cavities in the body are separated by a transverse septum. This structure acts as a partition, dividing the coelomic cavities into two separate compartments. The transverse septum helps to maintain the organization and separation of different organs and structures within the body. It ensures that the organs in one coelomic cavity do not interfere or affect the organs in the other cavity.

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  • 17. 

    What is the function of the pancreaticomesenteric artery?

    • A.

      Supplies blood to the rectal gland from dorsal aorta

    • B.

      Supplies blood to stomach wall and ventral pancreas

    • C.

      Delivers oxygenated blood thoughout the body from gills

    • D.

      None of the above

    • E.

      All of the above

    Correct Answer
    B. Supplies blood to stomach wall and ventral pancreas
    Explanation
    The function of the pancreaticomesenteric artery is to supply blood to the stomach wall and ventral pancreas.

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  • 18. 

    This artery supplies blood to the stomach.

    • A.

      Hepatic artery

    • B.

      Coeliac artery

    • C.

      Hyoidean artery

    • D.

      Internal carotid artery

    • E.

      Gastric artery

    Correct Answer
    E. Gastric artery
    Explanation
    The gastric artery is the correct answer because it is the artery that supplies blood to the stomach. The hepatic artery supplies blood to the liver, the coeliac artery supplies blood to the liver, stomach, and spleen, the hyoidean artery supplies blood to the hyoid bone, the internal carotid artery supplies blood to the brain, and the gastric artery specifically supplies blood to the stomach.

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  • 19. 

    This artery carries blood from the stomach to the liver.

    • A.

      Pancreaticomesenteric artery

    • B.

      Gastric artery

    • C.

      Hepatic artery

    • D.

      Coeliac artery

    • E.

      Caudal artery

    Correct Answer
    C. Hepatic artery
    Explanation
    The hepatic artery is the correct answer because it carries blood from the stomach to the liver. The pancreaticomesenteric artery is incorrect because it is not involved in carrying blood from the stomach to the liver. The gastric artery is incorrect because it only supplies blood to the stomach. The coeliac artery is incorrect because it supplies blood to multiple organs, including the stomach, but not specifically to the liver. The caudal artery is incorrect because it is not involved in blood supply to the stomach or liver.

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  • 20. 

    The _______________ carry oxygenated blood from the dorsal aorta to the pre/posttrematic arteries.

    Correct Answer
    efferent branchial arteries
    Explanation
    The efferent branchial arteries carry oxygenated blood from the dorsal aorta to the pre/posttrematic arteries.

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  • 21. 

    The _______________ branch of the efferent collector loops, takes oxygenated blood from efferent branchials to filamental arteries.

    Correct Answer
    pretrematic
    Explanation
    The pretrematic branch of the efferent collector loops transports oxygenated blood from the efferent branchials to filamental arteries.

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  • 22. 

    The _________________ branch of the efferent collector loops, is a continuation of the efferent branchials to the filamental arteries.

    Correct Answer
    posttrematic
    Explanation
    The posttrematic branch of the efferent collector loops is a continuation of the efferent branchials to the filamental arteries.

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  • 23. 

    This artery supplies blood to the stomach, liver, gonads, pancreas and esophagus.

    • A.

      Coeliac artery

    • B.

      Subclavian artery

    • C.

      Gastric artery

    • D.

      Hepatic artery

    • E.

      Caudal artery

    Correct Answer
    A. Coeliac artery
    Explanation
    The coeliac artery is the correct answer because it is responsible for supplying blood to the stomach, liver, gonads, pancreas, and esophagus. The other options, such as the subclavian artery, gastric artery, hepatic artery, and caudal artery, do not supply blood to all of these organs.

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  • 24. 

    This artery supplies blood to the pectoral fin and adjacent body areas.

    • A.

      Gastric artery

    • B.

      Iliac artery

    • C.

      Intra-intestinal artery

    • D.

      Femoral artery

    • E.

      Subclavian artery

    Correct Answer
    E. Subclavian artery
    Explanation
    The subclavian artery is responsible for supplying blood to the pectoral fin and adjacent body areas. This artery is located in the upper chest region and branches off into various smaller arteries that distribute oxygenated blood to the mentioned areas. The other options listed are not associated with supplying blood to the pectoral fin and adjacent body areas.

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  • 25. 

    What is the function of the caudal artery?

    • A.

      Supplies blood to to the pectoral fin and adjacent body areas

    • B.

      Drains blood from myotomes and body wall

    • C.

      Supplies blood to the stomach

    • D.

      Supplies blood to rectal gland from the dorsal aorta

    • E.

      Carries blood from stomach to the liver

    Correct Answer
    D. Supplies blood to rectal gland from the dorsal aorta
    Explanation
    The caudal artery is responsible for supplying blood to the rectal gland from the dorsal aorta.

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  • 26. 

    This artery brings oxygenated blood to the brain, internal ear and olfactory organs from the hyoidean artery.

    • A.

      Coeliac artery

    • B.

      Internal carotid artery

    • C.

      Hepatic artery

    • D.

      Femoral artery

    • E.

      Hyoidean artery

    Correct Answer
    B. Internal carotid artery
    Explanation
    The internal carotid artery is the correct answer because it is responsible for bringing oxygenated blood to the brain, internal ear, and olfactory organs. It is not the coeliac artery, hepatic artery, femoral artery, or hyoidean artery that perform this function.

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  • 27. 

    This artery arises along the length of the dorsal aorta and carries bood to adjacent tissues.

    • A.

      Iliac artery

    • B.

      Femoral artery

    • C.

      Intersegmental artery

    • D.

      Hyoidean artery

    • E.

      Gastrohepatic artery

    Correct Answer
    C. Intersegmental artery
    Explanation
    The intersegmental artery is the correct answer because it is the only option that fits the given description. The intersegmental artery arises along the length of the dorsal aorta and carries blood to adjacent tissues. The iliac artery and femoral artery are not relevant to the given description. The hyoidean artery and gastrohepatic artery are not mentioned in the description and therefore cannot be considered as the correct answer.

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  • 28. 

    This artery arises from the dorsal aorta and supplies blood to the rectal gland.

    • A.

      Intersegmental artery

    • B.

      Intr-intestinal artery

    • C.

      Anterior mesenteric artery

    • D.

      Posterior mesenteric artery

    • E.

      Afferent branchial arteries

    Correct Answer
    D. Posterior mesenteric artery
    Explanation
    The given correct answer is "posterior mesenteric artery." This artery arises from the dorsal aorta and supplies blood to the rectal gland.

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  • 29. 

    This artery arises from the dorsal aorta and runs along the left side of the intestine and supplies blood to the spleen, stomach, and dorsal pancreas.

    • A.

      Posterior mesenteric artery

    • B.

      Anterior mesenteric artery

    • C.

      Intersegmental artery

    • D.

      Intra-intestinal artery

    • E.

      Hyoidean artery

    Correct Answer
    B. Anterior mesenteric artery
    Explanation
    The given correct answer, anterior mesenteric artery, is the most appropriate option because it is the artery that arises from the dorsal aorta and runs along the left side of the intestine. It supplies blood to the spleen, stomach, and dorsal pancreas, which matches the description provided in the question. The other options do not fit the given description and are therefore incorrect.

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  • 30. 

    This artery arises from the pancreaticomesenteric and supplies blood to the internal intestine.

    • A.

      Intra-intestinal artery

    • B.

      Femoral artery

    • C.

      Gastric artery

    • D.

      Hepatic artery

    • E.

      None of the above

    Correct Answer
    A. Intra-intestinal artery
    Explanation
    The correct answer is intra-intestinal artery. This artery is described as arising from the pancreaticomesenteric and supplying blood to the internal intestine. The other options, femoral artery, gastric artery, and hepatic artery, do not match the description given in the question. Therefore, the correct answer is the intra-intestinal artery.

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  • 31. 

    This vein drains the stomach and spleen.

    • A.

      Lateral abdominal vein

    • B.

      Posterior cardinal vein

    • C.

      Gastric vein

    • D.

      Lienomesenteric vein

    • E.

      Caudal vein

    Correct Answer
    D. Lienomesenteric vein
    Explanation
    The lienomesenteric vein is the correct answer because it is responsible for draining both the stomach and spleen. The other options, such as the lateral abdominal vein and posterior cardinal vein, are not involved in draining these specific organs. The gastric vein only drains the stomach, and the caudal vein is not associated with either the stomach or spleen. Therefore, the lienomesenteric vein is the most suitable option for the given statement.

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  • 32. 

    The ____________ artery joins the collector loops to the paired dorsal aortae.

    Correct Answer
    hyoidean
    Explanation
    The hyoidean artery is the correct answer because it is the artery that connects the collector loops to the paired dorsal aortae. The collector loops are responsible for collecting deoxygenated blood from the gills, while the dorsal aortae are responsible for carrying oxygenated blood to the rest of the body. Therefore, the hyoidean artery plays a crucial role in the circulation of blood in this specific context.

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  • 33. 

    The _________________ joins to form the dorsal aorta.

    Correct Answer
    paired dorsal aortae
    Explanation
    The paired dorsal aortae are the structures that join together to form the dorsal aorta. The term "paired" indicates that there are two of these structures, one on each side of the body. The dorsal aortae are major blood vessels that run along the back of the body and supply oxygenated blood to various organs and tissues.

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  • 34. 

    The _________________ vein is formed by the anterior intestinal vein.

    Correct Answer
    pancreaticomesenteric
    Explanation
    The pancreaticomesenteric vein is formed by the anterior intestinal vein.

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  • 35. 

    The _________________ artery branches into the gastric and hepatic arteries.

    Correct Answer
    gastrohepatic
    Explanation
    The term "gastrohepatic" refers to the area or structures related to both the stomach (gastro-) and the liver (-hepatic). In this context, the question is asking for the artery that branches into both the gastric artery and the hepatic artery. Therefore, the correct answer is "gastrohepatic."

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  • 36. 

    What is the function of the ventral aorta?

    • A.

      Supplies blood to the afferent branchial arteries

    • B.

      Supplies blood to the stomach and liver

    • C.

      Carries deoxygenated blood from the heart to the gills

    • D.

      None of the above

    • E.

      All of the above

    Correct Answer
    A. Supplies blood to the afferent branchial arteries
    Explanation
    The ventral aorta is responsible for supplying blood to the afferent branchial arteries. This means that it carries oxygenated blood from the heart to the gills, where oxygen exchange occurs. Therefore, the correct answer is "supplies blood to the afferent branchial arteries".

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  • 37. 

    What artery carries deoxygenated blood from the heart to the gills?

    • A.

      Posterior mesenteric artery

    • B.

      Anterior mesenteric artery

    • C.

      Afferent branchial arteries

    • D.

      Coronary artery

    • E.

      Internal carotid artery

    Correct Answer
    C. Afferent branchial arteries
    Explanation
    The correct answer is afferent branchial arteries. These arteries carry deoxygenated blood from the heart to the gills. The term "branchial" refers to the gills, which are the respiratory organs in fish and some other aquatic animals. The afferent branchial arteries transport the blood to the gills, where it is oxygenated before being circulated back to the heart. The other options listed are not involved in carrying deoxygenated blood to the gills.

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  • 38. 

    The __________________ passes posteriorly bringing oxygenated blood from the gills to virtually every part of the shark's body.

    Correct Answer
    dorsal aorta
    Explanation
    The dorsal aorta is a major blood vessel in sharks that carries oxygenated blood from the gills to all parts of the body. It is located on the dorsal side of the shark and runs along the length of its body, supplying oxygen to various organs and tissues. This vessel plays a crucial role in maintaining the shark's overall circulation and ensuring that oxygen is efficiently distributed throughout its body.

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  • 39. 

    The ______________ artery supplies blood to the pelvic fins.

    Correct Answer
    iliac
    Explanation
    The iliac artery is responsible for supplying blood to the pelvic fins.

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