CSEP-CPT Exam questions with correct answers

Cardiac Output - Answer The amount of blood the heart pumps through the circulatory system in a minute. The amount of blood put out by the left ventricle of the heart in one contraction is called the stroke volume. The stroke volume and the heart rate determine this. - typically about 5L/min at rest - will be higher if physically fit (max of 40L/min) - for unfit, 14-20L/min max Stroke Volume - Answer Refers to the volume of blood that is pumped by the heart with each contraction - during PA, it will increase until intensity reaches ~50% of VO2 max, then HR will increase the cardiac output - for physically fit people, SV is likely to be higher and RHR likely to be lower Blood Pressure - Answer Refers to the pressure blood exerts on walls of blood vessels, and reflects efficiency of blood flow through the CV system - systolic: heart contracting - diastolic: heart relaxing 120/80 is normal 144/94 max safe ranges normal BP for healthy, active adult is 110/70 - during PA, systolic will rise slightly and diastolic will remain roughly the same Heart Rate - Answer number of heart beats/minute - RHR average 60-80bpm - higher RHR for women