KINE 433 FINAL EXAM REVIEW || WITH 100% VERIFIED SOLUTIONS.

A normal resting heart rate is determined by correct answers parasympathetic nervous system Cardiac muscle cells are all of the following except correct answers **a. multinucleated, like skeletal muscle b. linked by intercalated discs c. branched d. stimulated involuntarily The pulmonary veins travel from the ______ to the ______. correct answers lungs, left atrium Extracellular Ca2+ influx stimulating intracellular Ca2+ release for contraction is called correct answers Ca2+ -induced Ca2+ release When you inhale, which of the following occurs as a result of the respiratory pump? correct answers **a. thoracic vena cavae fill. b. pulmonary capillaries collapse. c. abdominal (inferior) vena cava expands. d. pulmonary veins are compressed. During heavy exercise, inhalation is assisted by? correct answers pectorals sternocleidomastoid scalenes During heavy exercise, inhalation is assisted by all of the following except correct answers a. pectorals b. sternocleidomastoid c. scalenes **d. internal intercostals The pressure gradient that is found in the pulmonary circulation (i.e., from pulmonary arteries to pulmonary veins or left atrium) is approximately correct answers 10 mmHg During exercise, the oxygen diffusion capacity increases dramatically because correct answers lower venous O2 content increases the PO2 gradient As bicarbonate diffuses from the red blood cell into the plasma, ___________ moves from the plasma into the red blood cell to prevent electrical imbalance. correct answers Chloride A capillary bed across an exercising muscle has _____________ arterial-mixed venous oxygen difference compared to a resting muscle. correct answers a greater