EXPH 365 Exam With Correct Answers!!

List the two main functions of the Respiratory (lung) System - Bring oxygen in to bring CO2 out. A criteria for low blood pressure would be a systolic BP less than what? - 120/80 is normal. Less than systolic 90 mm Hg As an exercise physiologist, we refer to the percentage of blood ejected out of the heart during each beat as the? - Measurement of stroke volume. An aneroid (dial) or mercury filled sphygmomanometer is used to measure what? - Blood pressure. Oxygen and carbon dioxide are exchanged in the lungs through tiny structures called what ? - Alveoli. The delivery of nutrients and the removal of waste from the muscle cells is done by what two systems ? - Cardiac and pulmonary systems. Why can you use the heart rate as a basis for determining appropriate exercise intensity during aerobic training? - Every time the work load increases, the heart rate increases. Linear relationship. Stroke volume reaches its maximum output at about what heart rate? - 120 bpm. What is the name for movement of air into or out of the lungs called? - Respiration (breathing.) Which of the following combinations are components of blood pressure? - Systolic/diastolic. Which of the following descriptions best describes the condition known as asthma? - Constriction of bronchial tubes.Two systems used by the body to provide blood and oxygen to the working muscles is... - Cardiovascular and pulmonary systems. The body uses the Cardiovascular system for what purpose ? - Delivers nutrients and oxygen to all cells in the body.