Cardiovascular Physiology Chapter 18: Heart General Information
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Questions and Answers

Qual es le systemas de pompa del corde?

  • Sistemic e coronari
  • Coronari e mediastinal
  • Pulmonar e sistemic (correct)
  • Pulmonar e coronari

    • Quales es le du partes del corde in le mediastino?

  • Pericardium e cavitate pericardial
  • Atrios e ventriculos
  • Arterias e valvulas
  • Apice e base (correct)

    • Qual es un function del epicardio?

  • Mantener le temperatura del corpore
  • Transportation de gases
  • Communication de hormones (correct)
  • Proteger le corde

    • Quales es le du stratas del serose pericardico?

    <p>Parietal e visceral</p> Signup and view all the answers

    Qual arteria coronari forni sangue al interventriculo anterior?

    <p>Anterior interventricular</p> Signup and view all the answers

    Quales cellulas cardiac esset autorrhythmic e non ha input neural directe?

    <p>Cellulas pacemaker</p> Signup and view all the answers

    Quale del sequente non es un vena cardiac?

    <p>Vena cardiac dextere</p> Signup and view all the answers

    Qual cellulas hanno discos intercalate?

    <p>Cellulas miocardic contractile</p> Signup and view all the answers

    Qual es le function principal del sarcoplasmic reticulum?

    <p>Stoca calcium.</p> Signup and view all the answers

    Quando le calcium extracellular triggera le liberation de calcium ab le sarcoplasmic reticulum?

    <p>In le medio del phase de contraccion ventricular.</p> Signup and view all the answers

    Qual es le percentual de calcium que veni del sarcoplasmic reticulum?

    <p>80-90%</p> Signup and view all the answers

    Durante qual fase del ciclo cardiac occurre le depolarization atrial?

    <p>Per le activation del nodo AV.</p> Signup and view all the answers

    In qual parte del corde es localisate le nodo SA?

    <p>In le atri.</p> Signup and view all the answers

    Quale es un function del medulla oblongata in relation al corde?

    <p>Regula le rate cardiac basate sur demanda metabolic.</p> Signup and view all the answers

    Qual es un caracteristica del potenciale pacemaker?

    <p>Contine un phase de plateau.</p> Signup and view all the answers

    Quando comencia le entrata de 10-20% del calcium extracellular in le corde?

    <p>In le plateau phase del potenciale de action.</p> Signup and view all the answers

    Qual es le formula pro calcular le volume sistolic final?

    <p>EDV - ESV</p> Signup and view all the answers

    Qual es le effecto de un incremento in contractilitate sur le volumen sistolic?

    <p>Aumento del volumen sistolic</p> Signup and view all the answers

    Qual es le principal effecto del systema parasympathetic sur le corde?

    <p>Aumento del permeabilitate a K+ canales</p> Signup and view all the answers

    Qual es le effecto del Catecolaminas (NE & Epi) sur le corde?

    <p>Aumento del permeabilitate a Na+ e Ca2+ canales</p> Signup and view all the answers

    Quando se forma le 4 camaras del corde durante le embryologia?

    <p>A post la formation del sinus venosus, atrium, e ventricule</p> Signup and view all the answers

    Qual es un adaptation fetal importante pro mantener circulation sanguin?

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

    Que es un problema clinic commun associate con infarctos miocardicos multipli?

    <p>Insufficientia cardiaca congestive</p> Signup and view all the answers

    Quale duo factores affecta le volumen sistolic?

    <p>Frequencia cardiac e contractilitate</p> Signup and view all the answers

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