NCLEX Cardiovascular System 105 Nursing Practice Questions and Rationales to EASILY Crush the NCLEX! Nursing Review Questions and RN Content Guide-2023-LATEST

NCLEX Cardiovascular System 105 Nursing Practice Questions and Rationales to EASILY Crush the NCLEX! Nursing Review Questions and RN Content Guide-2023-LATEST Chapter 1: NCLEX Questions, Answers & Rationales on the Cardiovascular System When studying for the NCLEX test, it is important to take as many practice questions as possible so that you can identify areas you know well and differentiate them from areas that need more review. The following are 105 questions on the Cardiovascular System that may be on the test. Take the test and compare your answers with the questions, answers, and rationales provided below. Good luck! 1. The function of the cardiovascular system involves any one or more of the following functions. Check all that apply. a. Oxygen transportation b. Metabolic waste removal c. Hormone transportation d. Neural connectivity e. CO2 removal Answer: a. b. c. e. The cardiovascular system is responsible for the transportation of oxygen and removal of CO2, the removal of metabolic waste products and the transportation of hormones. It is not responsible for neural connectivity. 2. The heart is incased in what? a. The peritoneum b. The pericardial sac c. Lung tissue d. It has no encasement Answer: b. The heart is encased in the pericardial sac—a connective tissue sac that separates it from other internal organs. 3. What is the function of the pericardial sac? a. To keep foreign antigens from the heart b. To keep the heart from enlarging c. To provide nutrients to the heart d. To provide lubrication for the heart Answer: d. The function of the pericardial sac is to provide lubrication to the heart when it beats. 4. Which is not a layer of the heart? a. The pericardial layer b. The myocardium c. The endocardium d. The epicardium Answer: a. The three layers of the heart are the epicardium, the myocardium and the endocardium. 5. List in order the pathway of blood through the heart from deoxygenated to oxygenated blood. a. Left ventricle b. Right ventricle c. Left atrium d. Right atrium Answer: d, b, c, a. Blood goes from the right atrium to the right ventricle, then to the lungs, the left atrium and out the left ventricle