NURS 487 Midterm #1 Practice Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+

CO = SV x HR. Stroke volume depends on 3 factors preload, afterload and contractility. Which factor is mainly dependent on the amount of venous blood returned to the heart? a) Afterload b) Preload c) Contractility : B A client is diagnosed with increased systemic vascular resistance. What will be the effect on the heart? a) Left atrium will be required to pump harder b) Right atrium chamber will become enlarged c) Left ventricle will be required to pump harder d) Right ventricle will become ineffective : C 2 | P a g e You are working on a med-surg unit and notice your patients pulse pressure has narrowed. What is a cause of a narrowed pulse pressure? a) Atherosclerosis b) Low organ perfusion c) Hypovolemia d) Hyperkalemia : C Which is an accurate statement regarding blood flow through the heart? a) Flows from the left ventricle through the bicuspid valve b) Flows from the right atrium through the aortic valve to the right ventricle c) Flows from the right ventricle through the pulmonic semilunar valve d) Flows from the left atrium through the tricuspid valve to the left ventricle :