cardiovascular NCLEX questions guide with 100% correct answer.

A 65-year-old male develops blockage in the pulmonary artery. As a result of the blockage, blood would first back up into the: a. Aorta b. Left ventricle c. Pulmonary veins d. Right ventricle - correct answer️️d. Right ventricle A nurse is teaching about the heart. Which information should the nurse include? The chamber of the heart that generates the highest pressure is the: a. Right atrium b. Left atrium c. Left ventricle d. Right ventricle - correct answer️️c. Left ventricle A nurse recalls the chamber that receives blood from the systemic circulation is the: a. Right atrium b. Right ventricle c. Left atrium d. Left ventricle - correct answer️️a. Right atrium Which statement indicates the nurse understands blood flow? Oxygenated blood flows through the: a. Superior vena cava b. Pulmonary veins c. Pulmonary artery d. Cardiac veins - correct answer️️b. Pulmonary veins The nurse is planning care for a patient with heart problems. Which information should the nurse remember? The _____ artery travels down the interventricular septum and delivers blood to portions of the left and right ventricle. a. Right coronary b. Circumflex c. Left anterior descending d. Cardiac - correct answer️️c. Left anterior descending When a staff member asks where venous blood from the coronary circulation drains into, what is the best response by the nurse? The: a. Superior vena cava b. Inferior vena cava c. Right atrium d. Reft atrium - correct answer️️c. Right atrium While viewing the electrocardiogram, the nurse recalls the _____ conducts action potentials down the atrioventricular septum. a. Bachmann bundle b. Bundle of His c. Sinoatrial node d. Atrioventricular node - correct answer️️b. Bundle of His A 13-year-old female took a weight loss drug that activated the sympathetic nervous system. Which of the following assessment findings would the nurse expect? a. Decreased myocardial contraction b. Decreased heart rate c. Increased cardiac conduction d. Increased intranodal conduction time - correct answer️️c. Increased cardiac conduction A 50-year-old female received trauma to the chest that caused severe impairment of the primary pacemaker cells of the heart. Which of the following areas received the greatest damage? a. Atrioventricular (AV) node b. Sinoatrial (SA) node c. Bundle of His d. Ventricles - correct answer️️b. Sinoatrial (SA) node A nurse assesses the heart after acetylcholine because the effect of acetylcholine on the heart is to a. Decrease the refractory period b. Increase calcium influx c. Increase the strength of myocardial contraction d. Decrease the heart rate - correct answer️️d. Decrease the heart rate A nurse is discussing the pressure generated at the end of diastole. Which term is the nurse describing? a. Preload b. Afterload c. Systemic vascular resistance d. Total peripheral resistance - correct answer️️a. Preload Which principle should the nurse remember when planning nursing care for a patien