CCI ECHO (RCS) EXAM 2026/2027 | 100% VERIFIED EXAM QUESTIONS
AND CORRECT ANSWERS | LATEST UPDATED (PASS GUARANTEE)
Q1. What valve separates the areas of greatest pressure differences in the
heart?
• A) Aortic valve
• B) Pulmonary valve
• C) Mitral valve
• D) Tricuspid valve
• ANSWER : C) Mitral valve
Q2. The normal pressure in the left ventricle during systole is
approximately:
• A) 5-12 mmHg
• B) 15-30 mmHg
• C) 120 mmHg
• D) 25 mmHg
• ANSWER : C) 120 mmHg
Q3. Which chamber receives oxygenated blood from the lungs?
• A) Right atrium
• B) Right ventricle
• C) Left atrium
• D) Left ventricle
• ANSWER : C) Left atrium
Q4. The coronary artery that supplies the inferior wall of the left ventricle
is typically the:
• A) Left anterior descending
• B) Left circumflex
, • C) Right coronary artery
• D) Obtuse marginal
• ANSWER : C) Right coronary artery
Q5. In a normal heart, which structure separates the left and right atria?
• A) Ventricular septum
• B) Interatrial septum
• C) Moderator band
• D) Crista terminalis
• ANSWER : B) Interatrial septum
Q6. The normal ejection fraction is:
• A) >40%
• B) >50%
• C) >55%
• D) >60%
• ANSWER : C) >55%
Q7. Which papillary muscle is most commonly associated with the anterior
leaflet of the mitral valve?
• A) Posteromedial papillary muscle
• B) Anterolateral papillary muscle
• C) Septal papillary muscle
• D) Moderator band papillary muscle
• ANSWER : B) Anterolateral papillary muscle
Q8. The Frank-Starling mechanism describes the relationship between:
• A) Heart rate and blood pressure
• B) Preload and stroke volume
• C) Afterload and contractility
• D) Heart rate and contractility
• ANSWER : B) Preload and stroke volume
,Q9. Which of the following represents normal right ventricular systolic
pressure?
• A) 15-25 mmHg
• B) 25-35 mmHg
• C) 35-45 mmHg
• D) 45-55 mmHg
• ANSWER : A) 15-25 mmHg
Q10. The moderator band is found in which chamber?
• A) Left atrium
• B) Left ventricle
• C) Right atrium
• D) Right ventricle
• ANSWER : D) Right ventricle
Q11. Which coronary artery supplies the anterior wall of the left ventricle?
• A) Right coronary artery
• B) Left circumflex artery
• C) Left anterior descending artery
• D) Posterior descending artery
• ANSWER : C) Left anterior descending artery
Q12. The normal left atrial pressure is approximately:
• A) 2-6 mmHg
• B) 5-12 mmHg
• C) 15-25 mmHg
• D) 25-35 mmHg
• ANSWER : B) 5-12 mmHg
Q13. Which structure prevents backflow into the left ventricle during
diastole?
• A) Mitral valve
, • B) Aortic valve
• C) Pulmonary valve
• D) Tricuspid valve
• ANSWER : B) Aortic valve
Q14. The pericardial space normally contains how much fluid?
• A) 0-10 mL
• B) 10-50 mL
• C) 50-100 mL
• D) 100-150 mL
• ANSWER : B) 10-50 mL
Q15. Which valve is most commonly affected by rheumatic heart disease?
• A) Aortic valve
• B) Pulmonary valve
• C) Mitral valve
• D) Tricuspid valve
• ANSWER : C) Mitral valve
Q16. The normal cardiac output for an adult at rest is:
• A) 2-4 L/min
• B) 4-8 L/min
• C) 8-12 L/min
• D) 12-16 L/min
• ANSWER : B) 4-8 L/min
Q17. Which chamber has the thickest myocardial wall?
• A) Right atrium
• B) Right ventricle
• C) Left atrium
• D) Left ventricle
AND CORRECT ANSWERS | LATEST UPDATED (PASS GUARANTEE)
Q1. What valve separates the areas of greatest pressure differences in the
heart?
• A) Aortic valve
• B) Pulmonary valve
• C) Mitral valve
• D) Tricuspid valve
• ANSWER : C) Mitral valve
Q2. The normal pressure in the left ventricle during systole is
approximately:
• A) 5-12 mmHg
• B) 15-30 mmHg
• C) 120 mmHg
• D) 25 mmHg
• ANSWER : C) 120 mmHg
Q3. Which chamber receives oxygenated blood from the lungs?
• A) Right atrium
• B) Right ventricle
• C) Left atrium
• D) Left ventricle
• ANSWER : C) Left atrium
Q4. The coronary artery that supplies the inferior wall of the left ventricle
is typically the:
• A) Left anterior descending
• B) Left circumflex
, • C) Right coronary artery
• D) Obtuse marginal
• ANSWER : C) Right coronary artery
Q5. In a normal heart, which structure separates the left and right atria?
• A) Ventricular septum
• B) Interatrial septum
• C) Moderator band
• D) Crista terminalis
• ANSWER : B) Interatrial septum
Q6. The normal ejection fraction is:
• A) >40%
• B) >50%
• C) >55%
• D) >60%
• ANSWER : C) >55%
Q7. Which papillary muscle is most commonly associated with the anterior
leaflet of the mitral valve?
• A) Posteromedial papillary muscle
• B) Anterolateral papillary muscle
• C) Septal papillary muscle
• D) Moderator band papillary muscle
• ANSWER : B) Anterolateral papillary muscle
Q8. The Frank-Starling mechanism describes the relationship between:
• A) Heart rate and blood pressure
• B) Preload and stroke volume
• C) Afterload and contractility
• D) Heart rate and contractility
• ANSWER : B) Preload and stroke volume
,Q9. Which of the following represents normal right ventricular systolic
pressure?
• A) 15-25 mmHg
• B) 25-35 mmHg
• C) 35-45 mmHg
• D) 45-55 mmHg
• ANSWER : A) 15-25 mmHg
Q10. The moderator band is found in which chamber?
• A) Left atrium
• B) Left ventricle
• C) Right atrium
• D) Right ventricle
• ANSWER : D) Right ventricle
Q11. Which coronary artery supplies the anterior wall of the left ventricle?
• A) Right coronary artery
• B) Left circumflex artery
• C) Left anterior descending artery
• D) Posterior descending artery
• ANSWER : C) Left anterior descending artery
Q12. The normal left atrial pressure is approximately:
• A) 2-6 mmHg
• B) 5-12 mmHg
• C) 15-25 mmHg
• D) 25-35 mmHg
• ANSWER : B) 5-12 mmHg
Q13. Which structure prevents backflow into the left ventricle during
diastole?
• A) Mitral valve
, • B) Aortic valve
• C) Pulmonary valve
• D) Tricuspid valve
• ANSWER : B) Aortic valve
Q14. The pericardial space normally contains how much fluid?
• A) 0-10 mL
• B) 10-50 mL
• C) 50-100 mL
• D) 100-150 mL
• ANSWER : B) 10-50 mL
Q15. Which valve is most commonly affected by rheumatic heart disease?
• A) Aortic valve
• B) Pulmonary valve
• C) Mitral valve
• D) Tricuspid valve
• ANSWER : C) Mitral valve
Q16. The normal cardiac output for an adult at rest is:
• A) 2-4 L/min
• B) 4-8 L/min
• C) 8-12 L/min
• D) 12-16 L/min
• ANSWER : B) 4-8 L/min
Q17. Which chamber has the thickest myocardial wall?
• A) Right atrium
• B) Right ventricle
• C) Left atrium
• D) Left ventricle
