Bio 202 Exam 2 Gcu Actual Test Questions And Answers 2024( A+ Graded 100% Verified).

What is the significance of a prolonged Q-T interval? {Ans: it means the ventricles aren't depolarizing fast enough}What layer consists mostly of Smooth muscle? {Ans: tunica media}explain the major difference between arteries and veins? {Ans: arteries: has thicker walls to maintain blood pressure veins: have thinner walls}what the functions of the arteriole {Ans: transports blood from arteries to capillaries}What is Vfib {Ans: ventricular fibrillation - when ventricles quiver and stop pumping blood ****AKA CARDIAC ARREST****}where will you find the pulmonary semilunar valve? {Ans: in right VENTRICLE}What is a PVC? {Ans: premature ventricular contraction - no P WAVE and exaggerated S WAVE (IT CAN BE NORMAL IF IT HAPPENS ONCE DUE TO CAFFEINE OR STRESS ETC. )}Where would you find the intertribal septum? {Ans: the wall between ATRIA}Where would you find the bicuspid valve? {Ans: In the left ATRIUM}describe the importance of the plate in a heart cells action potential. what ion is responsible? {Ans: the plateu extends the absolute refactory period of the cardiac muscle cell.}Where will you find the aortic valve? {Ans: in left VENTRICLE}What does myogenic mean? {Ans: heartbeat originates within heart}What is venipuncture? {Ans: