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MTO 1 - A2 > Heart - Neurovasculature > Flashcards

Heart - Neurovasculature Flashcards

1
Q
  1. Which veins empty into the left atrium?
A
  • Left and right pulmonary veins.
  • Smallest Cardiac veins (veins of thebesian)
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1
Q
  1. Which blood vessel arises from the right ventricle?
A
  • Pulmonary artery
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2
Q
  1. Which blood vessel arises from the left ventricle?
A
  • The Aorta
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3
Q
  1. What is the primary pacemaker of the heart?
A
  • Sino-atrial node
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3
Q
  1. Where is the primary pacemaker of the heart located? (AKA SA NODE)
A
  • Superior wall of the right atrium in the crista terminalis
  • further explanation
    (at the junction of superior vena cava and right atrium in the posterolateral wall of sinus venarum, in the subepicardial layer.)
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4
Q
  1. Where is the atrioventricular node located?
A
  • Within the atrioventricular septum in the Triangle of Koch near it’s apex

Anteriorly: Septal Tricuspid leaflet
Posteriorly: Eustachian valve and Tendon of Todaro
Base:Coronary sinus orifice

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5
Q
  1. Where does the atrioventricular bundle arise from?
A
  • Direct continuation of atrioventricular node (Ashoff-Tawara node) follows along the lower border of membranous part of interventricular septum penetrates the right fibrous trigone.
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6
Q
  1. What are the direct branches of the atrioventricular bundle?
A
  • Left and right Tawara bundles.
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7
Q
  1. Which impulse conducting item passes through the fibrous skeleton of the heart?
A
  • Bundle of His
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7
Q
  1. Which nerve supplies the parasympathetic innervation of the heart?
A
  • Vagus (X) cranial nerve.
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8
Q
  1. What is the shape of the arterial pericardial reflections?
A
  • 8 shaped
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9
Q
  1. What is the shape of the venous pericardial reflections?
A
  • T-shaped / J-shaped
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10
Q
  1. What is the nutrient (private) arteries of the heart?
A
  • Left coronary artery
  • Circumflex artery
  • Anterior interventricular artery
  • Left marginal artery
  • Right coronary artery
  • Right marginal artery
  • Posterior interventricular artery.
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11
Q
  1. Where do the nutrient arteries of the heart arise from?
A
  • Right and left aortic sinuses located on the aorta.
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12
Q
  1. Which artery gives rise to the posterior interventricular branch at “balanced circulation”?
A
  • Right coronary artery
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13
Q
  1. Which artery gives rise to the anterior interventricular branch at “balanced
    circulation”?
A
  • Left coronary artery
14
Q
  1. Which artery gives rise to the circumflex branch?
A
  • Left coronary artery
15
Q
  1. In which groove of heart does the circumflex branch run?
A
  • Coronary groove/sulcus
16
Q
  1. In which groove of heart does the coronary sinus run?
A
  • Coronary groove/sulcus
17
Q
  1. Which chamber of the heart does the coronary sinus empty into?
A
  • Right atrium
18
Q
  1. Name at least 3 veins which empty into the coronary sinus.
A
  • Great cardiac vein
  • Small cardiac vein
  • Middle cardiac vein.
19
Q
  1. Which veins travel in the coronary sulcus?
A
  • Small cardiac vein, Coronary sinus
20
Q
  1. Which vein runs in the anterior interventricular sulcus?
A
  • Great cardiac vein
21
Q
  1. Which vein runs in the posterior interventricular sulcus?
A
  • Middle cardiac vein
22
Q
  1. On which surface of the heart is the posterior interventricular sulcus found?
A
  • Inferior (Diaphragmatic) surface of the heart.
22
Q
  1. On which surface of the heart is the anterior interventricular sulcus found?
A
  • Anterior (Sternocostal) surface of the heart.

MTO 1 - A2 (2 decks)

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