Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Chapter 13.4, Problem 13.4.2QC
Arrange the order of the following terms so that they describe the normal path of electrical impulses through the heart: Purkinje fibers, atrioventricular bundle, SA node. bundle branches. SA node. ventricular muscle. atrial muscle.
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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…
Which of the terms in the following pairs is correctly matched?
Group of answer choices
Heart contraction : systole
Stroke volume : end systolic volume minus end diastolic volume
End diastolic volume : volume of blood in the ventricle immediately after it has contracted
Passive filling : blood moves into the ventricles because the atria contract
Chapter 13 Solutions
Principles of Human Physiology (6th Edition)
Ch. 13.1 - What are the “receiving chambers” of the heart...Ch. 13.1 - Prob. 13.1.2QCCh. 13.1 - Prob. 13.1.3QCCh. 13.2 - Prob. 1CTQCh. 13.2 - Prob. 2CTQCh. 13.2 - Prob. 3CTQCh. 13.2 - Which organs receive blood flowing through the...Ch. 13.2 - Prob. 13.2.2QCCh. 13.2 - Prob. 13.2.3QCCh. 13.3 - Prob. 13.3.1QC
Ch. 13.3 - Prob. 13.3.2QCCh. 13.3 - Prob. 13.3.3QCCh. 13.3 - Prob. 13.3.4QCCh. 13.4 - Under normal conditions, which controls the...Ch. 13.4 - Arrange the order of the following terms so that...Ch. 13.4 - The entry of calcium into a ventricular muscle...Ch. 13.4 - Match the terms P wave. QRS complex. and T wave...Ch. 13.5 - Prob. 13.5.1QCCh. 13.5 - Descnbe the relationship between the different...Ch. 13.6 - Write the equation showing the relationship...Ch. 13.6 - Prob. 13.6.2QCCh. 13.6 - Prob. 13.6.3QCCh. 13.6 - What is Starlings law of the heart? Why is it an...Ch. 13.6 - Prob. 13.7.2QCCh. 13.6 - Prob. 13.7.3QCCh. 13 - Prob. 1ECh. 13 - Prob. 2ECh. 13 - Prob. 3ECh. 13 - Prob. 4ECh. 13 - Prob. 5ECh. 13 - Which of the following contains deoxygenated...Ch. 13 - Which of the following is not normally apparent in...Ch. 13 - The second heart sound occurs when the semilunar...Ch. 13 - Prob. 9ECh. 13 - Prob. 10ECh. 13 - Prob. 11ECh. 13 - Prob. 12ECh. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - Prob. 15ECh. 13 - Prob. 16ECh. 13 - Prob. 17ECh. 13 - Prob. 18ECh. 13 - Prob. 19ECh. 13 - Under normal conditions, pressures in the left and...Ch. 13 - Stroke volume and ____ completely determine...Ch. 13 - If end-diastolic volume does not change but...Ch. 13 - Prob. 23ECh. 13 - Prob. 24ECh. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Prob. 27ECh. 13 - Prob. 28ECh. 13 - Describe the process of action potential...Ch. 13 - Prob. 30ECh. 13 - Prob. 31ECh. 13 - Jane trained for a marathon for 6 months. Her...Ch. 13 - Cardiac arrhythmias are often treated with...Ch. 13 -
Damage to a valve can often be detected by...Ch. 13 - In the ECG trace below, label all of the P. QRS....
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- The heart is resting during Select one: ventricular systole. the ejection period. ventricular diastole. atrial systole.arrow_forwardIn 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 Cavaarrow_forwardIdentify 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.arrow_forward
- 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?arrow_forwardDiastole and systole are terms that address the contracting and relaxing of the heart. Which of the following statements about diastolic and systolic blood pressure are true? Select all that apply. The diastolic blood pressure reading is the second number that is read and it's a measurement of the pressure of the arteries as the heart contracts and beats. The systolic blood pressure reading is the first number that is read and it's a measurement of the pressure of the arteries as the heart contracts and beats. The systolic blood pressure reading is the first number that is read and it's a measurement of the pressure in the arteries when the heart rests between beats. Systole refers to when the heart contracts and blood flows from atria into ventricles. The diastolic blood pressure reading is the second number that is read and it's a measurement of the pressure in the arteries when the heart rests between beats Diastole refers to when the heart contracts and the blood flows from the…arrow_forwardMatch 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... ÷ +arrow_forward
- 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: What is occurring in the electrical conduction system? Circle in the figure on the right, what part (if any) of the electrical conduction system is activated.arrow_forwardWhich of the following lists the valves in the order through which the blood flows from the vena cava through the heart?a. tricuspid, pulmonary semilunar, bicuspid, aortic semilunarb. mitral, pulmonary semilunar, bicuspid, aortic semilunarc. aortic semilunar, pulmonary semilunar, tricuspid, bicuspidd. bicuspid, aortic semilunar, tricuspid, pulmonary semilunararrow_forwardThe 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)arrow_forward
- Increased functional demand on the heart produces increased size of the myocardium by: choose the correct option - fatty infiltration -increased amounts of fibrous connective tissue -hyperplasia -atherosclerosis -hypertrophyarrow_forwardDrag the steps below and place them in the order of blood flow through the heart. First: Second: Third: Fourth: Fifth: Sixth: Seventh: Eighth: Ninth: Tenth: Flows through right atrial ventricular valve (tricuspid) Blood back flowing in aorta toward heart enters coronary circulation Flowing into the right atrium Out the aortic semilunar valve into the aorta Back to heart through the pulmonary veins to the left atrium Into the right ventricle Into the left ventricle Left atrium through left atrial ventricular valve (BICUSPID OR MITRAL) Out the pulmonary semilunar valve through the pulmonary arteries to lungs To the body through the aortic branchesarrow_forwardA class of drugs called beta-blockers are commonly prescribed to cardiac patients in order to reduce their heart rate. Beta-blockers slow heart rate by reducing the conduction of action potentials through the A-V (atrioventricular) node. The most likely effect on an ECG shorter R-R interval shorter Q-T interval longer P-R interval longer T wavearrow_forward
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