Cardiology Modules 1 : NCISM Elective Course 2024

Q-7 Right atrial into right Ventricular openings are protected by? (A) Ventricular Depolarization(B) Atrial Repolarization(C) Atrial Depolarization(D) Atrial Repolarization Q-8 Heart muscle is also called as? (A)Endocardium(B)Pericardium(C)Myocardium(D)Epicardium Q-9 The right atrium receives deoxygenated blood from the body through __? (A) Superior VenaCava(B) Lungs(C) Pulmonary Vein(D) All of them

Cardiology NCISM NCISM Elective

Q-7 Right atrial into right Ventricular openings are protected by?

(A) Ventricular Depolarization
(B) Atrial Repolarization
(C) Atrial Depolarization
(D) Atrial Repolarization

  • Answer: (D) Atrial Depolarization
  • Explanation: This question is a little tricky. The right atrioventricular opening is protected by the tricuspid valve. The opening and closing of this valve is NOT directly caused by atrial depolarization. However, atrial depolarization (contraction) does lead to an increase in pressure that contributes to the opening of the tricuspid valve.

Q-8 Heart muscle is also called as?
  • Answer: (C) Myocardium
  • Explanation: The muscular wall of the heart is called the myocardium. It’s made of specialized cardiac muscle tissue responsible for the heart’s contractions.

Q-9 The right atrium receives deoxygenated blood from the body through __?
  • Answer: (A) Superior Vena Cava
  • Explanation
    • Superior vena cava: Drains deoxygenated blood from the head, neck, and upper limbs
    • Inferior vena cava: Drains deoxygenated blood from the lower body
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