HURST Review: Cardiac Final Exam Questions Correctly Solved.

HURST Review: Cardiac Final Exam Questions Correctly Solved. Preload - CORRECT ANSWER the amount of blood returning to the right side of the heart and the muscle stretch that the volume causes. ANP is released when we have this stretch Afterload - CORRECT ANSWER the pressure in the aorta and peripheral arteries that the left ventricle has to pump against to get the blood out The pressure during afterload is referred to as - CORRECT ANSWER resistance With hypertension there's even more _______________ for the ________________________ to pump against - CORRECT ANSWER resistance; left ventricle Hypertension can eventually lead to _______________ and _________________, because ___________________. Plus, _________________ - CORRECT ANSWER HF; pulmonary edema; high afterload decreases CO and decreases forward flow; it wears your heart out Stroke volume - CORRECT ANSWER the amount of blood pumped out of the ventricles with each beat CO = ______ X _______ - CORRECT ANSWER HR; SV Tissue perfusion is dependent on - CORRECT ANSWER an adequate CO Cardiac output changes according to the - CORRECT ANSWER body's demands (needs) Factors that affect CO - CORRECT ANSWER 1. HR and certain arrhythmias 2. Blood volume 3. Decreased contractility Less volume = - CORRECT ANSWER less CO More volume = - CORRECT ANSWER more CO What can cause decreased contractility? - CORRECT ANSWER -MI -medication -cardiac muscle disease