Fetal Circulation Quiz
60 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which process is responsible for turning the bilaminar disc into a trilaminar disc?

  • Differentiation
  • Gastrulation (correct)
  • Mesoderm formation
  • Implantation
  • Which germ layer is formed by the migration of epiblast cells through the primitive streak?

  • Endoderm (correct)
  • Hypoblast
  • Mesoderm
  • Ectoderm
  • Which structure induces changes in the overlying ectoderm and forms the neural plate?

  • Notochord (correct)
  • Primitive pit
  • Bilaminar disc
  • Blastocele
  • Which part of the mesoderm will develop into the urogenital system?

    <p>Intermediate mesoderm</p> Signup and view all the answers

    Which layer of the mesoderm will become the walls of the body cavities and differentiate into the vascular system?

    <p>Lateral plate mesoderm</p> Signup and view all the answers

    Which structure is responsible for the differentiation of the paraxial mesoderm into somites?

    <p>Notochord</p> Signup and view all the answers

    Which layer of the blastocyst contains the inner cell mass?

    <p>Ectoderm</p> Signup and view all the answers

    Which process is responsible for the formation of the blastocyst cavity?

    <p>Blastulation</p> Signup and view all the answers

    During foetal circulation, which of the following structures by-passes the hepatic circulation?

    <p>Ductus venosus</p> Signup and view all the answers

    Which vessel carries oxygen- and nutrient-rich blood from the placenta to the foetus?

    <p>Umbilical vein</p> Signup and view all the answers

    What happens to the foramen ovale after birth?

    <p>It closes</p> Signup and view all the answers

    What is the consequence of a non-closure of the foramen ovale?

    <p>Patent foramen ovale (PFO)</p> Signup and view all the answers

    What causes the closure of the ductus arteriosus?

    <p>Increased oxygen and fall in Prostaglandins</p> Signup and view all the answers

    What happens to the ductus venosus after birth?

    <p>It obliterates and becomes Ligamentum venosum</p> Signup and view all the answers

    Which one of the following statements about fetal circulation is true?

    <p>Fetal circulation does not involve mixing of oxygenated and deoxygenated blood.</p> Signup and view all the answers

    Which one of the following statements about the circulation of blood in the fetus and placenta is true?

    <p>The fetus receives oxygenated blood from the placenta.</p> Signup and view all the answers

    Which one of the following statements about the foramen ovale, ductus arteriosus, and ductus venosus is true?

    <p>All of the above statements are true.</p> Signup and view all the answers

    Which one of the following statements about the changes in the circulation of blood in the fetus at the time of birth is true?

    <p>All of the above statements are true.</p> Signup and view all the answers

    Which one of the following statements about the consequences of non-closure of the foramen ovale and ductus arteriosus is true?

    <p>Non-closure of the foramen ovale can lead to mixing of oxygenated and deoxygenated blood in the adult.</p> Signup and view all the answers

    Which one of the following statements about the development of the trilaminar disc and the 3 germ layers is true?

    <p>The folding of the trilaminar disc occurs during fetal development.</p> Signup and view all the answers

    Which gene(s) are associated with the cardiac abnormalities seen in individuals with Down syndrome?

    <p>DSCAM and COL6A2</p> Signup and view all the answers

    Which syndrome is characterized by cardiac abnormalities, abnormal facies, thymic aplasia, cleft palate, and hypothyroidism?

    <p>22q11.2 deletion syndrome</p> Signup and view all the answers

    What is the mode of inheritance for long QT syndrome?

    <p>Channelopathy</p> Signup and view all the answers

    Which gene is associated with long QT syndrome?

    <p>SCN5A</p> Signup and view all the answers

    Why is it important to identify the mutation in individuals with long QT syndrome?

    <p>Risk for life-threatening cardiac events by mutation location and β-blocker treatment.</p> Signup and view all the answers

    Which gene(s) are associated with DiGeorge syndrome without deletion?

    <p>TBX1</p> Signup and view all the answers

    What is the consequence of non-closure of the foramen ovale?

    <p>Mixing of oxygenated and deoxygenated blood in the heart</p> Signup and view all the answers

    What causes the closure of the ductus arteriosus?

    <p>Decreased prostaglandin levels</p> Signup and view all the answers

    Which germ layer is formed by the migration of epiblast cells through the primitive streak?

    <p>Mesoderm</p> Signup and view all the answers

    What happens to the ductus venosus after birth?

    <p>It constricts and becomes the ligamentum venosum</p> Signup and view all the answers

    Which one of the following is a symptom of Xanthoma Atherosclerosis?

    <p>Tendon xanthoma</p> Signup and view all the answers

    Which gene mutation is NOT associated with the improper synthesis or transportation of LDL in Familial Hypercholesterolemia (FH)?

    <p>Xanthoma Atherosclerosis</p> Signup and view all the answers

    What are the Simon Broome criteria used for?

    <p>Determining the severity of Familial Hypercholesterolemia (FH)</p> Signup and view all the answers

    Which cholesterol levels indicate possible FH in children under 16?

    <p>LDL &gt; 4mM</p> Signup and view all the answers

    Which one of the following is NOT a consequence of non-synthesis or improper transportation of LDL in FH?

    <p>Not synthesizing LDL receptor associated protein</p> Signup and view all the answers

    Which gene mutation is associated with Familial Hypercholesterolemia (FH) and results in the improper binding of LDL?

    <p>ApoB - Arg3500Gln</p> Signup and view all the answers

    What is the role of PCSK9 - Asp374Tyr gene mutation in Familial Hypercholesterolemia (FH)?

    <p>Improper binding of LDL</p> Signup and view all the answers

    What is the purpose of cascade testing in FH?

    <p>To assess the risk of myocardial infarction in family members</p> Signup and view all the answers

    Which one of the following is NOT a characteristic of FH?

    <p>Autosomal dominant/recessive inheritance</p> Signup and view all the answers

    What natural process does Inclisirin harness to treat FH?

    <p>Recycling of LDL</p> Signup and view all the answers

    Which side of the heart pumps deoxygenated blood to the lungs?

    <p>Right side</p> Signup and view all the answers

    Which side of the heart pumps oxygenated blood throughout the body?

    <p>Left side</p> Signup and view all the answers

    Which surface of the heart is separated from the base of the heart by the coronary sinus?

    <p>Right ventricle</p> Signup and view all the answers

    Which margin of the heart is important for imaging?

    <p>Left margin</p> Signup and view all the answers

    Which septum separates the right and left ventricles?

    <p>Interventricular septum</p> Signup and view all the answers

    Which one of the following textbooks is NOT a source of figures and images mentioned in the text?

    <p>Kelly&amp;Petersen. Sectional Anatomy for Imaging Professionals</p> Signup and view all the answers

    Which one of the following textbooks was published in 2012?

    <p>Gilroy et al. Atlas of Anatomy</p> Signup and view all the answers

    Which one of the following textbooks is NOT mentioned as a source of figures and images for the case report?

    <p>Son et al. Point-of-care Ultrasound</p> Signup and view all the answers

    Which one of the following textbooks was published in 2018?

    <p>Drake et al. Gray’s Atlas of Anatomy</p> Signup and view all the answers

    Which one of the following textbooks is NOT mentioned as a source of figures and images for the case report?

    <p>Daffner &amp; Hartman. Clinical Radiology. The Essentials</p> Signup and view all the answers

    Which of the following is NOT one of the learning outcomes of the lecture on the heart?

    <p>Identifying cardiac borders on chest x-ray and other anatomical structures on medical images</p> Signup and view all the answers

    Which of the following is NOT a recommended reading for the lecture on the heart?

    <p>MD3001 Clinical skills session 'Living anatomy of the chest' in week 2</p> Signup and view all the answers

    Which of the following is NOT a morphological feature of the cardiac valves?

    <p>Tricuspid valve</p> Signup and view all the answers

    Why are points of auscultation of heart sounds different from the surface projection of the heart valves?

    <p>Due to the presence of fibrous skeleton of the heart</p> Signup and view all the answers

    What is the functional importance and position of the fibrous skeleton of the heart?

    <p>To provide structural support to the heart</p> Signup and view all the answers

    Which structure prevents the eversion of atrioventricular valve cusps during ventricular systole?

    <p>Chordae tendinea</p> Signup and view all the answers

    Which valve has three cusps and is attached to the anulus fibrosus deep to the inferior right sternum?

    <p>Tricuspid valve</p> Signup and view all the answers

    Which ventricular outflow tract leads to the pulmonary trunk and has blood flowing upwards, backwards, and to the left side through it?

    <p>Infundibulum (conus arteriosus)</p> Signup and view all the answers

    Which valve has three cusps and is attached to the anulus fibrosis deep to the left inferior sternum?

    <p>Mitral valve</p> Signup and view all the answers

    Which valve has three cusps and is located posterior to the infundibulum, leading to the aorta with blood flowing upwards, backwards, and to the right side through it?

    <p>Aortic vestibule</p> Signup and view all the answers

    More Like This

    Placental and Fetal Circulation Quiz
    20 questions
    Fetal Circulation Quiz
    21 questions

    Fetal Circulation Quiz

    PerfectStatistics2519 avatar
    PerfectStatistics2519
    Use Quizgecko on...
    Browser
    Browser