NursGuru
    Login/Signup
    Review ModeExam ModePractice Mode

    Exam Review

    1. Which of the following accurately describes the process of coronary circulation?
      A)
      Coronary arteries are filled with blood during atrial contraction
      B)
      Coronary circulation occurs only during systole
      C)
      Coronary veins return deoxygenated blood to the right atrium
      D)
      Coronary arteries supply deoxygenated blood to the heart muscle
    2. If pericardial fluid accumulates excessively, what complication can arise?
      A)
      Heart failure
      B)
      Cardiac tamponade
      C)
      Pulmonary embolism
      D)
      Myocardial infarction
    3. Which heart valve sound is best heard at the second intercostal space, left sternal border?
      A)
      Pulmonic valve
      B)
      Aortic valve
      C)
      Tricuspid valve
      D)
      Mitral valve
    4. What is the primary function of the myocardium?
      A)
      To contract and generate force for blood circulation
      B)
      To produce pericardial fluid
      C)
      To protect the heart from external injury
      D)
      To facilitate the electrical conduction in the heart
    Page 1 of 13

    Exam Review

    1. Which of the following is a symptom of left ventricular failure?
      A)
      Peripheral edema
      B)
      Jugular venous distention
      C)
      Pulmonary congestion
      D)
      Hepatomegaly
    2. Which of the following best explains the role of skeletal muscle pumps in blood pressure regulation?
      A)
      They assist venous return to the heart, promoting cardiac output.
      B)
      They are the primary mechanism of blood pressure regulation.
      C)
      They control arterial blood pressure directly by contracting.
      D)
      They regulate arterial constriction during physical activity.
    3. Where is the mitral valve located, and what is its primary function?
      A)
      Between the left ventricle and aorta; prevents backflow of blood into the left ventricle
      B)
      Between the right atrium and right ventricle; prevents backflow of blood into the right atrium
      C)
      Between the right ventricle and pulmonary artery; prevents backflow of blood into the right ventricle
      D)
      Between the left atrium and left ventricle; prevents backflow of blood into the left atrium
    4. In what way does the coronary artery supply affect ventricular function?
      A)
      The right coronary artery supplies the inferior wall of the left ventricle
      B)
      The circumflex artery supplies the anterior wall of the left ventricle
      C)
      The circumflex artery supplies the interventricular septum, crucial for left ventricular function
      D)
      The left anterior descending artery exclusively supplies the right ventricle
    Page 2 of 13

    Exam Review

    1. Which part of the heart's conduction system serves as the primary pacemaker?
      A)
      Atrioventricular (AV) node
      B)
      Sinoatrial (SA) node
      C)
      Purkinje fibers
      D)
      Bundle of His
      E)
      Which part of the heart's conduction system serves as the primary pacemaker?
    2. In the context of coronary circulation, what is the significance of the right coronary artery?
      A)
      It supplies the interventricular septum
      B)
      It supplies the left ventricle
      C)
      It supplies the right atrium and right ventricle
      D)
      It supplies the left atrium
    3. Which coronary artery is most often involved in myocardial infarction due to its supply to a large portion of the heart muscle?
      A)
      Circumflex artery
      B)
      Right coronary artery
      C)
      Posterior descending artery
      D)
      Left anterior descending artery
    4. Which area of the heart is primarily responsible for beginning the electrical conduction system?
      A)
      AV node
      B)
      Purkinje fibers
      C)
      SA node
      D)
      Bundle of His
    Page 3 of 13

    Exam Review

    1. What is the primary function of the circumflex artery in coronary circulation?
      A)
      Supplies the lateral wall of the left ventricle
      B)
      Supplies the right ventricle
      C)
      Supplies the interventricular septum
      D)
      Supplies the right atrium
    2. Which heart chamber is responsible for pumping oxygenated blood to the systemic circulation?
      A)
      Left atrium
      B)
      Left ventricle
      C)
      Right ventricle
      D)
      Right atrium
    3. In the cardiac cycle, what does the S2 heart sound correspond to?
      A)
      Atrial contraction
      B)
      Closure of the aortic and pulmonic valves
      C)
      Rapid filling of the ventricles
      D)
      Closure of the mitral and tricuspid valves
    4. What is the primary difference between veins and arteries?
      A)
      Arteries have thicker walls than veins.
      B)
      Veins have no valves, while arteries have valves.
      C)
      Arteries have larger lumens compared to veins.
      D)
      Arteries carry blood to the heart, while veins carry blood away from the heart.
    Page 4 of 13

    Exam Review

    1. Which class of arteries is most involved in regulating blood pressure through vasoconstriction and vasodilation?
      A)
      Capillaries
      B)
      Elastic arteries
      C)
      Arterioles
      D)
      Veins
    2. Which coronary artery primarily supplies blood to the left ventricle and the interventricular septum?
      A)
      Left anterior descending artery
      B)
      Right coronary artery
      C)
      Posterior descending artery
      D)
      Circumflex artery
    3. Which heart sound is associated with the closure of the semilunar valves?
      A)
      S3
      B)
      S1
      C)
      S2
      D)
      S4
    4. Which heart sound is best heard at the fifth intercostal space, left midclavicular line?
      A)
      Tricuspid valve closure
      B)
      Aortic valve closure
      C)
      Pulmonic valve closure
      D)
      Mitral valve closure
    Page 5 of 13

    Exam Review

    1. What is the primary role of the renin-angiotensin-aldosterone system in blood pressure regulation?
      A)
      To increase blood volume and systemic vascular resistance
      B)
      To decrease heart rate and reduce cardiac output
      C)
      To regulate oxygen levels in the blood
      D)
      To control nerve impulses to the heart
    2. What mechanism is primarily responsible for the immediate regulation of blood pressure in response to changes in posture?
      A)
      Baroreceptor reflex
      B)
      Chemoreceptor reflex
      C)
      Release of antidiuretic hormone
      D)
      Renin-angiotensin-aldosterone system
    3. Which heart sound corresponds to the closure of the atrioventricular (AV) valves?
      A)
      S1
      B)
      S4
      C)
      S2
      D)
      S3
    4. What is the role of the coronary sinus in coronary circulation?
      A)
      It supplies oxygenated blood to the heart
      B)
      It supplies the interventricular septum with oxygenated blood
      C)
      It drains deoxygenated blood from the myocardium
      D)
      It regulates coronary blood flow
    Page 6 of 13