Veins, Nerves And Arteries! Biology Quiz

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Veins, Nerves And Arteries! Biology Quiz - Quiz

Veins are blood vessels that carry blood towards our heart.
Nerves are primarily involved in the control and coordination of all the parts of the body.
The arteries are the blood vessels that deliver oxygen-high blood from the heart to the tissues of the body.
Know everything you need to know about Veins, Nerves, and Arteries in this Biology Quiz.


Questions and Answers
  • 1. 

    What is tunica media

    • A.

      Muscle layer

    • B.

      Skeletal layer

    Correct Answer
    A. Muscle layer
    Explanation
    The tunica media refers to the middle layer of blood vessels, such as arteries and veins. It is composed of smooth muscle cells, which allow the blood vessels to contract and relax, regulating blood flow and maintaining blood pressure. This layer is thicker in arteries compared to veins, as arteries need to withstand higher pressure. The tunica media plays a crucial role in maintaining the structural integrity and functionality of blood vessels.

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  • 2. 

    Where can gas exchange happen?

    • A.

      In capillaries

    • B.

      In arteries

    Correct Answer
    A. In capillaries
    Explanation
    Gas exchange occurs in capillaries. Capillaries are tiny blood vessels with thin walls, allowing for the exchange of gases between the blood and surrounding tissues. Oxygen from the air is taken up by the blood in the capillaries, while carbon dioxide, a waste product, is released from the blood into the tissues. This exchange of gases is essential for the oxygenation of tissues and removal of carbon dioxide, enabling proper functioning of the body's cells and organs. Arteries, on the other hand, carry oxygenated blood away from the heart to the tissues and do not directly participate in gas exchange.

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  • 3. 

    Is aorta an elastic artery?

    • A.

      Yes

    • B.

      No

    Correct Answer
    A. Yes
    Explanation
    The aorta is indeed an elastic artery. Elastic arteries are the largest arteries in the body and have a high proportion of elastic fibers in their walls, allowing them to stretch and recoil with each heartbeat. The aorta, being the largest artery in the body, needs to withstand the force of blood being pumped from the heart and distribute it to the rest of the body. Its elastic properties enable it to expand and contract, ensuring smooth blood flow and maintaining blood pressure.

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  • 4. 

    Is the smaller size the artery the more muscular?

    • A.

      No

    • B.

      Yes

    Correct Answer
    B. Yes
    Explanation
    The smaller size of an artery does not necessarily mean that it is more muscular. The muscularity of an artery is determined by the amount of smooth muscle present in its walls, which can vary regardless of size. Therefore, it is incorrect to assume that smaller arteries are always more muscular.

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  • 5. 

    Does blood move in one direction?

    • A.

      Yes

    • B.

      No

    • C.

      I don't know

    Correct Answer
    A. Yes
    Explanation
    Blood moves in one direction due to the presence of valves in the veins. These valves prevent the backflow of blood and ensure that it flows towards the heart. When the heart contracts, it pushes the blood forward, and the valves close to prevent it from flowing backward. This one-way movement of blood is crucial for efficient circulation throughout the body.

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  • 6. 

    What are the 2 branches of the ascending aorta?

    • A.

      R and L coronary arteries

    • B.

      Supplies blood to the heart muscle

    Correct Answer
    A. R and L coronary arteries
    Explanation
    The correct answer is R and L coronary arteries. The ascending aorta branches into the right and left coronary arteries, which are responsible for supplying blood to the heart muscle. These arteries play a crucial role in delivering oxygen and nutrients to the heart, ensuring its proper functioning.

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  • 7. 

    What are the 3 branches of the aortic arch?

    • A.

      Brachialcephalic trunk

    • B.

      Left common carotid artery

    • C.

      Left subclavian artery

    Correct Answer
    A. Brachialcephalic trunk
    Explanation
    The correct answer is the brachiocephalic trunk. The aortic arch is a curved blood vessel that branches off from the ascending aorta. It gives rise to three major branches, one of which is the brachiocephalic trunk. The brachiocephalic trunk then divides into the right common carotid artery and the right subclavian artery. Therefore, the brachiocephalic trunk is one of the three branches of the aortic arch.

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  • 8. 

    What does brachiocephalic trunk branch into?

    • A.

      Right common carotid artery

    • B.

      Right subclavian artery

    Correct Answer
    A. Right common carotid artery
    Explanation
    The brachiocephalic trunk, also known as the innominate artery, is a major branch of the aortic arch. It is the first branch to arise from the aortic arch and it branches into two arteries: the right common carotid artery and the right subclavian artery. The right common carotid artery supplies blood to the right side of the head and neck, while the right subclavian artery supplies blood to the right arm and parts of the chest and shoulder.

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  • 9. 

    What does subclavian mean?

    • A.

      Below clavicle

    • B.

      Above clavicle

    Correct Answer
    A. Below clavicle
    Explanation
    The term "subclavian" refers to a location or structure that is situated below the clavicle, which is also known as the collarbone. In this context, "below clavicle" indicates the correct meaning of the term. It implies that the subclavian region or artery is located beneath the collarbone.

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  • 10. 

    What are common carotid arteries

    • A.

      Arteries that bring blood to the head

    • B.

      Arteries that bring blood away from the head

    Correct Answer
    A. Arteries that bring blood to the head
    Explanation
    The common carotid arteries are the arteries that bring blood to the head. They are located on both sides of the neck and are responsible for supplying oxygenated blood to the brain, face, and neck. These arteries branch out into smaller vessels, providing essential nutrients and oxygen to the tissues and organs in the head region.

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  • 11. 

    What do we call descending aorta above the diaphragm?

    • A.

      Thoracic aorta

    • B.

      Abdominal aorta

    Correct Answer
    A. Thoracic aorta
    Explanation
    The descending aorta above the diaphragm is called the thoracic aorta.

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  • 12. 

    What do we call descending aorta below diaphragm?

    • A.

      Abdominal aorta

    • B.

      Thoracic aorta

    Correct Answer
    A. Abdominal aorta
    Explanation
    The descending aorta below the diaphragm is called the abdominal aorta. It is the portion of the aorta that runs through the abdomen, supplying oxygenated blood to the abdominal organs and lower extremities. It is responsible for delivering nutrients and oxygen to these areas and plays a crucial role in maintaining proper circulation throughout the body.

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  • 13. 

    What do the R and L brachialcephalic vein form?

    • A.

      Superior vena cava

    • B.

      Inferior vena cava

    Correct Answer
    A. Superior vena cava
    Explanation
    The R and L brachiocephalic veins combine to form the superior vena cava. The superior vena cava is a large vein that carries deoxygenated blood from the upper body back to the heart. It receives blood from the head, neck, upper limbs, and chest, and then delivers it to the right atrium of the heart.

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  • 14. 

    What does the R and L common iliac veins form?

    • A.

      Inferior vena cava

    • B.

      Superior vena cava

    Correct Answer
    A. Inferior vena cava
    Explanation
    The R and L common iliac veins combine to form the inferior vena cava. The inferior vena cava is a large vein that carries deoxygenated blood from the lower body back to the heart. It is located on the right side of the vertebral column and receives blood from various veins, including the common iliac veins.

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  • 15. 

    What are the 3 branches from the aortic arch?

    • A.

      1.) brachiocephalic trunk, bifurcates into R common carotid and R subclavian arteries

    • B.

      2.) left common carotid artery

    • C.

      3.) left subclavian artery

    Correct Answer
    A. 1.) brachiocephalic trunk, bifurcates into R common carotid and R subclavian arteries
    Explanation
    The correct answer is the brachiocephalic trunk, which bifurcates into the right common carotid and right subclavian arteries. The brachiocephalic trunk is the first branch of the aortic arch and supplies blood to the right side of the head and neck, as well as the right arm and chest. The left common carotid artery and left subclavian artery are also branches of the aortic arch, but they are not part of the three branches specifically mentioned in the question.

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  • 16. 

    What are the 3 branches of the cephalic trunk

    • A.

      Left gastric

    • B.

      Splenic

    • C.

      Common hepatic

    Correct Answer
    A. Left gastric
    Explanation
    The three branches of the cephalic trunk are the left gastric, splenic, and common hepatic arteries. The left gastric artery supplies blood to the lesser curvature of the stomach. The splenic artery supplies blood to the spleen, and also gives off several branches to the stomach and pancreas. The common hepatic artery supplies blood to the liver, and further divides into the proper hepatic artery and the gastroduodenal artery.

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  • 17. 

    Where do the R and L coronary arteries supply blood to?

    • A.

      Head

    • B.

      Heart

    • C.

      Lungs

    Correct Answer
    B. Heart
    Explanation
    The R and L coronary arteries supply blood to the heart. These arteries branch off the aorta and deliver oxygenated blood to the heart muscle. This is essential for the heart to function properly and pump blood to the rest of the body. Without adequate blood supply from the coronary arteries, the heart can suffer from reduced oxygen and nutrients, leading to various heart conditions and potential damage.

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  • 18. 

    When blood goes up we call it _________when it goes down we call it_________?

    • A.

      Ascending aorta

    • B.

      Descending aorta

    Correct Answer
    A. Ascending aorta
    Explanation
    When blood moves upwards in the body, it is referred to as ascending. The ascending aorta is the portion of the aorta that rises upwards from the heart. On the other hand, when blood moves downwards, it is referred to as descending. The descending aorta is the portion of the aorta that moves downwards, away from the heart.

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