Look at the answer and give the reason for answer. Write why the answer is the answer. Q 6 - What are the implications for ventricular filling? Answer: The ventricles will fill with less blood.
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- Match the area where blood will flow within the heart during systole (1 point) If blood is in the right atria during diastole, during systole it will move to: If blood is in the right ventricle during diastole, during systole it will move to: If blood is in the left atria during diastole, during systole it will move to: If blood is in the left ventricle during diastole, during systole it will move to: Choose... Choose... The Systemic circulation (body) The Right Ventricle The Pulmonary Circuit The Left Ventricle Choose... ÷ +A variety of ways to calculate heart rate from an ECG may be used. The quickest way to calculate heart rate on a rhythm strip is: Count the number of large squares between one R-R interval, and divide this number into 1500. Calculate the number of QRS complexes in 1 minute Count the number of R-R intervals in 6 seconds, and multiply by 10 Count the number of small squares between one R-R interval, and multiply this number by 300.Identify whether the given statement is true or false -Left ventricle->Left atrium->Right ventricle->Right atrium is the correct sequence for blood entering the heart through the vena cavae and leaving through the aorta. -The sinoatrial node is situated in the wall of the interventricular septum. -Impulses through the conduction system of the heart follow the ordered path: SA node->conduction myofibers->AV bundle->AV node. -The heart is covered by the suprardium. -The “lub” sound of the heart is caused by closing of the semilunar valves. -To clearly hear the heart sound of the bicuspid valve, a stethoscope should be placed to the left of the sternum at the second intercostal space. -The left ventricular wall of the heart is thicker than the right wall in order to pump blood with a greater pressure. -When the atrioventricular bundle is completely interrupted the ventricles typically contract at 30 to 40 beats/min. -At late diastole, the atria and ventricles are relaxed…
- The events of the cardiac cycle cause cyclical changes in left ventricular pressure and volume over time. Another way to represent these events is with a pressure-volume loop, as shown below. Drag the labels from the left into the appropriate boxes on the pressure- volume loop to demonstrate your understanding of the cardiac cycle. Aortic valve closure AV valve opening Systolic pressure Isovolumetric relaxation Isovolumetric contraction 120 Diastolic pressure Ventricular filling 80 End-diastolic volume Ventricular ejection 40 AV valve closure End-systolic volume Aortic valve opening 60 120 LV volume (mL) O McGraw-Hill Education Reset LV pressure (mm Hg)Identify the function of the following terms IN THE CARDIAC CELL. (1-2 sentences only). Please use a credible source when answering. 1. Sacromere 2. Sarcroplasmic Reticulum (SR) 3. I-type Ca channel (aka Dihydropyridine Receptors) 4. Ryanodine Receptors (RyR-2) for myocardial cells 5. SERCA 6. NCX 7. Na+ - K+ - ATPase PumpSelect TRUE or FALSE to best describe the statements below, relating the events of the cardiac cycle. Keep in mind that these events may be chemical, electrical and mechanical. atrial pressure is greater than ventricular pressure while semilunar valves are оpen ventricular pressure is greater than atrial pressure when the atrioventricular valves are closed atrioventricular valves are open during ventricular emptying the end diastolic volume of the ventricles is reached before ventricles contract 1 ventricular filling occurs before depolarization of the atria 1 atrioventricular valves and 1. TRUE 1 semilunar valves are closed at the beginning of ventricular systole 2. FALSE end systolic volume increases when more blood empties from the ventricles the greatest pressure is reached in the ventricles while they are emptying the right atrium depolarizes before the left atrium ventricular depolarization occurs during the T-wave semilunar valves are open during ventricular filling ventricular…
- _06. Answer In discussing the cardiac cycle; all are correct except A. Diastole is also known as relaxation B. Systole is also contraction C. The EKG is a picture or graph of the electrical signal of the heart D. To be called normal sinus rhythm. Each QRS must be followed by a P wave.?Identify whether the following statement is either true or false. Left ventricle->Left atrium->Right ventricle->Right atrium is the correct sequence for blood entering the heart through the vena cavae and leaving through the aorta. The sinoatrial node is situated in the wall of the interventricular septum. Impulses through the conduction system of the heart follow the ordered path: SA node->conduction myofibers->AV bundle->AV node. To clearly hear the heart sound of the bicuspid valve, a stethoscope should be placed to the left of the sternum at the second intercostal space. At late diastole, the atria and ventricles are relaxed and the aortic semilunar valve is open. During ventricular contraction all the blood is forced out of the ventricles.A 67-year-old-man is in the operating room undergoing a hip replacement. The procedure is going along uneventfully, and there is no indication of acute blood loss. Suddenly, the patient develops supraventricular tachycardia. Intravenous injection is administered and within 15 s, the electrocardiogram shows normal sinus rhythm. What is the most likely drug responsible for this normalization of the electrocardiogram? Select one: O ignocaine Quinidine Esmolol Verapamil Adenosine
- In the given table, three of the anatomical and physiological terms are similar or related; one does not belong with the other three. Choose the term that does NOT belong in each of the following groups. A B C D 1 Pulmonary Trunk Vena Cava Right Side of the Heart Left Side of the Heart 2 QRS Wave T Wave P Wave Electrical Activity of the Ventricles 3 AV Valves Closed AV Valves Opened Ventricular Systole Semilunar Valves Open 4 Tricuspid Valve Mitral Valve Bicuspid Valve Left AV Valve 5 Pulmonary Valve Umbilical Artery Pulmonary Vein Superior Vena CavaSection 1: Create a flow chart image showing the map of the electrical activity of the heart (begin with the SA node) Include each step the electrical activity travels as it goes through the heart. Section 2: Create a flow chart image showing the map of how blood flows through the heart Include each step starting in the right atria Include the names of valves that the blood passes through Section 3: Application Describe what is occurring in the heart (regarding contraction) during each step of the electrical activity. In other words, what does the electrical activity indicate is happening in the heart (atria contraction, ventricle contraction/relaxation, etc). Also, explain how these contractions lead to proper blood flow sending blood to the appropriate areas for oxygen delivery. This section should be no more than one page in length (double spaced for APA format) and should give detailed information about how these three aspects of the heart (electrical activity,…In the figure below on the left, label the P, QRS and T waves. Describe what is happening in the heart in the P wave: Relate the P wave to the cardiac cycle:o Is the heart in systole or diastole?o Is the pressure high or low?o Where is blood flowing? Which valves are open? closed? o Which muscle fibers are contracting, if any?