Cardiovascular Physiology Chapter 18: Heart General Information
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Questions and Answers

Qual es le function del sarcoplasma reticular?

  • Trigge le liberation de calcium extracellular
  • Permite le entrata de 10-20% de calcium extracellular
  • Memora calcium (correct)
  • Furni 80-90% del calcium

Durante le ciclo cardiac, lo que representa le depolarisation atrial?

  • Conduction per le nodo AV e fasciculo AV (correct)
  • Contraction ventricular
  • Repolarization ventricular
  • Relaxation del ventriculos

Qual es le function del systema de conduction intrinsec del corde?

  • Trigge le action potenciales
  • Produccion de fibrillation
  • Resting potential instabile (correct)
  • Celulas cardiac non contractile

Quale es un potential effecto del nervos de corde sur le corde?

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

Durante le ciclo cardiac, que representa le diastole?

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

Qual es un defecto commun in le ritmo cardiac?

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

Quale struttura es responsabile del primeiro phase de excitation in le corde?

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

Qual es un characteristic de celulas autoritmic cardiac?

<p>% del fibras cardiac con potentia de repose instabile (B)</p> Signup and view all the answers

Qual es le formula pro calcular le Volume Systolic Final?

<p>ESV = EDV - SV (D)</p> Signup and view all the answers

Qual es le effecto de un decremento in contractilitate sur le Stroke Volume?

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

Quales es le effectos del systema parasympathetic sur le corde?

<p>Reduce le frequencia cardiac (A)</p> Signup and view all the answers

Quale de iste non es un adaptation del corde fetal?

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

Quale condition clinic non es associate con Problemas Cardiacos?

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

Quale effecto ha le catecolaminas (NE & Epi) sur le corde?

<p>Incrementa la contraction muscular (D)</p> Signup and view all the answers

Qual es le effecto de un incremento del Preload sur le Stroke Volume?

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

Quale es un factore que pote causar un decremento del Volume Systolic?

<p>Un decremento in postcharge (B)</p> Signup and view all the answers

Qual es le function principal del corde in le systema cardiovascular?

<p>Transporto de gases e nutrientes (B)</p> Signup and view all the answers

Quales es le du systemas de pompa del corde?

<p>Cardiac e sistemic (D)</p> Signup and view all the answers

Que es le strutura external del corde?

<p>Ápice e base (D)</p> Signup and view all the answers

Quales es le straturas que forma le pericardio serose?

<p>Stratum viscerale e parietal (D)</p> Signup and view all the answers

Qual es le caracteristica principal del cellulas muscular cardiac?

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

Qual es le arterias que forma parte del circulation coronari?

<p>Arteria interventricular anterior e arteria circumflex (B)</p> Signup and view all the answers

Que tipo de cellulas cardiacas non ha besonio de stimulation neural pro depolarisation?

<p>Cellulas pacemaker auto-rhythmic (A)</p> Signup and view all the answers

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