Circulatory System Quiz
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Questions and Answers

Which of the following blood vessel types is responsible for carrying blood away from the heart?

  • Capillaries
  • Veins
  • Venules
  • Arteries (correct)
  • Which layer of a blood vessel wall is primarily composed of smooth muscle and elastic tissue?

  • Tunica Adventia
  • Tunica Media (correct)
  • Endothelium
  • Tunica Intima
  • Which of the following characteristics is associated with veins?

  • Thicker Tunica Media
  • Presence of Valves (correct)
  • Faster Blood Flow
  • More Pulsatile
  • What is the primary function of capillaries in the circulatory system?

    <p>Facilitate the exchange of gases and nutrients between blood and tissues (A)</p> Signup and view all the answers

    Which of the following is NOT a branch of the aortic arch?

    <p>Superior Mesenteric Artery (D)</p> Signup and view all the answers

    Which of the following blood vessel types is responsible for carrying blood towards the heart?

    <p>Veins (B)</p> Signup and view all the answers

    Which of the following is a branch that arises laterally from the abdominal aorta?

    <p>Renal Arteries (D)</p> Signup and view all the answers

    What is the name of the point where the abdominal aorta divides into two branches?

    <p>Aortic Bifurcation (B)</p> Signup and view all the answers

    Which section of the aorta is also known as the 'arch'?

    <p>Ascending Aorta (B)</p> Signup and view all the answers

    Which of the following can NOT be assessed using an ultrasound of the aorta?

    <p>Valves of the heart (D)</p> Signup and view all the answers

    Which of the following is NOT a pathology that can be assessed using ultrasound of the aorta?

    <p>Aortic stenosis (C)</p> Signup and view all the answers

    What is the significance of the "seagull sign" in the transverse plane?

    <p>It indicates the presence of the celiac axis (A)</p> Signup and view all the answers

    What is the effect of holding one's breath on the inferior vena cava (IVC)?

    <p>The IVC becomes larger (C)</p> Signup and view all the answers

    If the angle of the SMA arising from the aorta is greater than 15 degrees, what may it indicate?

    <p>Lymphadenopathy (A)</p> Signup and view all the answers

    What is the correct course of the right renal artery?

    <p>It runs posterior to the IVC (A)</p> Signup and view all the answers

    What is the most common predisposing factor for an aortic aneurysm?

    <p>Arteriosclerosis (B)</p> Signup and view all the answers

    What is the normal diameter of the aorta?

    <p>Less than 3 cm (B)</p> Signup and view all the answers

    Which of the following is considered a possible location of an aortic aneurysm?

    <p>Infrarenal (C)</p> Signup and view all the answers

    What is the most common rupture site of an aortic aneurysm?

    <p>Lateral wall below renal vessels (B)</p> Signup and view all the answers

    What is the term for the separation of the layers of the aortic wall with blood coursing through the false lumen?

    <p>Aortic Dissection (C)</p> Signup and view all the answers

    Which of the following is a characteristic of a patient more likely to develop an aortic dissection?

    <p>Presence of a known aneurysm (C)</p> Signup and view all the answers

    Which type of Aortic Dissection starts at or below the left subclavian artery and extends down the descending aorta?

    <p>Type 2: Associated with Marfan syndrome (D)</p> Signup and view all the answers

    What is an abnormal connection between an artery and a vein called?

    <p>Arteriovenous fistula (C)</p> Signup and view all the answers

    Which system takes over as the IVC when it is obstructed?

    <p>Azygos and/or hemiazygos system (B)</p> Signup and view all the answers

    What type of blood flow pattern is characterized by a clear window in the spectral waveform, indicating most blood cells traveling at a similar velocity?

    <p>Plug flow (B)</p> Signup and view all the answers

    What is the normal resistive index, indicating good perfusion, according to the content?

    <p>0.7 (A)</p> Signup and view all the answers

    Which of these conditions is characterized by thrombosis of the hepatic veins?

    <p>Budd-Chiari Syndrome (B)</p> Signup and view all the answers

    Which of these is NOT a clinical sign of Renal vein obstruction?

    <p>Hematoma (C)</p> Signup and view all the answers

    What is the portal hypertension decompression site that is found in the abdomen?

    <p>Paraumbilical vein (B)</p> Signup and view all the answers

    Which of these describes where the hepatic veins originate and drain into?

    <p>Originate in the Liver &amp; drain into the IVC (C)</p> Signup and view all the answers

    What is the term used to describe blood flow toward the liver?

    <p>Hepatopetal (D)</p> Signup and view all the answers

    Which artery supplies blood to the proximal half of the colon and small intestine?

    <p>Superior mesenteric artery (C)</p> Signup and view all the answers

    What is the typical direction of blood flow in the portal vein under normal conditions?

    <p>Hepatopetal (D)</p> Signup and view all the answers

    In cases of severe portal hypertension, what changes occur in the blood flow of the portal vein?

    <p>Hepatofugal flow (B)</p> Signup and view all the answers

    Which vessel is located between the aorta and the SMA in the transverse plane?

    <p>Left Renal Vein (D)</p> Signup and view all the answers

    Where do the Renal Arteries branch off the aorta?

    <p>Inferior to the SMA (D)</p> Signup and view all the answers

    What type of organ is supplied by low resistance vessels?

    <p>An organ that needs constant perfusion (C)</p> Signup and view all the answers

    What is the transverse image of the hepatic veins draining into the IVC commonly referred to as?

    <p>The Reindeer sign (C)</p> Signup and view all the answers

    What is formed by the confluence of the Splenic Vein and the SMV?

    <p>The Portal Vein (A)</p> Signup and view all the answers

    What does the term 'hepatofugal' refer to?

    <p>Flow away from the liver (B)</p> Signup and view all the answers

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