Physiology (Quiz 2) by https://padlet.com/lofe666661/anrxot553xe50iz1 64/32 en-us 2023-01-17 09:48:28 UTC 2025-10-28 23:33:44 UTC hello@padlet.com What is the equation that describes the cardiac output? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446617855 Stroke volume * Heart rate]]> 2023-01-17 10:14:02 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446617855 In severe parasympathetic stimulation, the heart is not significantly effected, why? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446619935 Because there is no vagal supply to the ventricles ]]> 2023-01-17 10:15:54 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446619935 What is the cardiac index? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446623558 Cardiac output in relation to the surface area]]> 2023-01-17 10:19:24 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446623558 The c wave in atrial pressure is due to: https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446623637 Closure and bulging of the AV valves into the atria]]> 2023-01-17 10:19:28 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446623637 What is the pressure in the right ventricle during the cardiac cylce ? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446624932 25/0 mmHg]]> 2023-01-17 10:20:34 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446624932 Which heart sound is produced at the beginning of the ventricular systole ? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446626332 First heart sound]]> 2023-01-17 10:21:43 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446626332 Which phase in the cardiac cycle is described from B to C ? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446628848 Isometric contraction phase ]]> 2023-01-17 10:23:56 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446628848 What is the diagnosis in this ECG ? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446630762 Recent myocardial infarction ]]> 2023-01-17 10:25:42 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446630762 What is the effect of the parasympathetic supply on the heart rate ? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446631746 Negative chronotropic effect ]]> 2023-01-17 10:26:32 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446631746 What causes phase 0 in the conduction action potential? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446634551 Opening of long lasting (L-type) Ca++ channels ]]> 2023-01-17 10:28:40 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446634551 In the heart, what is the determinant of the after-load? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446634747 Arterial blood pressure]]> 2023-01-17 10:28:52 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446634747 The plateau in contractile cardiac cells' action potential is characterized by what? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446636364 Opening of slow Ca++ and K+ channels at the same time]]> 2023-01-17 10:30:23 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446636364 effect of sympathetic stimulation on the Heart rate: https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446637246 decrease of K+ efflux , increase in of Na+ and Ca++ influx ]]> 2023-01-17 10:31:08 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446637246 In which phases of the cardiac cycle all valves are closed: https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446638382 Isometric contraction and relaxation phases]]> 2023-01-17 10:32:19 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446638382 How much of the blood is found in veins? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446638448 60%]]> 2023-01-17 10:32:23 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446638448 In the ECG, the QRS complex represents what? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446638895 Ventricular depolarization ]]> 2023-01-17 10:32:42 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446638895 Ejection fraction= https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446639938 Stroke Volume/ End diastolic volume]]> 2023-01-17 10:33:42 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446639938 In a heart at rest, how much is the stroke volume? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446641243 80 ml]]> 2023-01-17 10:35:02 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446641243 In which cardiac phase the pressure is close to zero? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446642269 Ventricular filling ]]> 2023-01-17 10:35:57 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446642269 What happens if you stands still for a long time? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446643127 Decrease the venous return  ]]> 2023-01-17 10:36:53 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446643127 What increases the stroke volume? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446644137 Increased end diastolic volume (EDV)]]> 2023-01-17 10:37:50 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446644137 Why is the heart rate at rest slower than the inherent rate of SAN ? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446651291 Due to the parasympathetic effect (vagal tone) ]]> 2023-01-17 10:44:06 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446651291 What is the effect of thyroxin hormones on the heart rate? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446652906 Increase sensitivity of Beta-1 receptors to catelcolamines ]]> 2023-01-17 10:45:29 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446652906 What type of receptors is found the ventricles? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446654785 Beta-1 receptors ]]> 2023-01-17 10:47:31 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446654785 Why the ventricles don't contract before the atria have completely contracted ? https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446655791 Due to AVN delay ]]> 2023-01-17 10:48:38 UTC https://padlet.com/lofe666661/anrxot553xe50iz1/wish/2446655791