Arrt Ci Review Exam Questions (167 Terms) With Verified Definitions Updated 2024

Where is the tricuspid valve located? A. between the right and left ventricle B. between the right artium and ventricle C. between the right and left atria D. between the superior vena cava and right atrium {Ans: B}What is represented by the QRS complex on an EKG? A. ventricular depolarization B. ventricular repolarization C. atrial depolarization D. recovery {Ans: A}Which of the following describes the time necessary for a stimulus to spread throughout the atria and AV junction? A. P wave B. P-R interval C. QRS complex D. S-T segment {Ans: B. The P-R interval is the time necessary for the stimulus to spread through the atria and AV junction.}How long should anticoagulants be withheld before an angiogram? A. 4hrs B. 12hrs C. 24hrs D. 48hrs {Ans: A}Which chamber of the heart is located most anteriorly? A. right ventricle B. left ventricle C. right atrium D. left atrium {Ans: C}Which circulation provides the majority of the blood supply for oxygen and carbon dioxide exchange? A. pulmonary B. peripheral C. portal D. systemic {Ans: A The pulmonary circulation provides the majority of blood supply for oxygen and carbon dioxide exchange.}