Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)
6th Edition
ISBN: 9780134206332
Author: Elaine N. Marieb, Lori A. Smith
Publisher: PEARSON
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Chapter 17, Problem 16SAQ
Draw a normal ECG pattern. Label and explain the significance of its deflection waves.
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Draw a normal ECG pattern. Label and explain the significance of its deflection waves.
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Chapter 17 Solutions
Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)
Ch. 17.1 - The heart is in the mediastinum. Just what is the...Ch. 17.1 - From inside to outside, list the layers of the...Ch. 17.1 - What is the purpose of the serous fluid inside the...Ch. 17.2 - What is the function of the papillary muscles and...Ch. 17.2 - Prob. 5CYUCh. 17.3 - Which side of the heart acts as the pulmonary...Ch. 17.3 - Which of the following statements are true? (a)...Ch. 17.3 - Prob. 8CYUCh. 17.4 - For each of the following, state whether it...Ch. 17.5 - Cardiac muscle cannot go into tetany. Why?
Ch. 17.5 - Which part of the intrinsic conduction system...Ch. 17.5 - Describe the electrical event in the heart that...Ch. 17.5 - MAKING connections Below are drawings of three...Ch. 17.6 - The second heart sound is associated with the...Ch. 17.6 - If the mitral valve were insufficient, would you...Ch. 17.6 - During the cardiac cycle, there are two periods...Ch. 17.7 - Prob. 17CYUCh. 17.7 - What problem of cardiac output might ensue if the...Ch. 17 - When the semilunar valves are open, which of the...Ch. 17 - The portion of the intrinsic conduction system...Ch. 17 - An ECG provides information about (a) cardiac...Ch. 17 - The sequence of contraction of the heart chambers...Ch. 17 - The fact that the left ventricular wall is thicker...Ch. 17 - Prob. 6MCCh. 17 - In the heart, which of the following apply? (1)...Ch. 17 - The activity of the heart depends on intrinsic...Ch. 17 - Freshly oxygenated blood is first received by the...Ch. 17 - Describe the location and position of the heart in...Ch. 17 - Describe the pericardium and distinguish between...Ch. 17 - Trace one drop of blood from the time it enters...Ch. 17 - (a) Describe how heart contraction and relaxation...Ch. 17 - The refractory period of cardiac muscle is much...Ch. 17 - (a) Name the elements of the intrinsic conduction...Ch. 17 - Draw a normal ECG pattern. Label and explain the...Ch. 17 - Define cardiac cycle, and follow the events of one...Ch. 17 - What is cardiac output, and how is it calculated?Ch. 17 - Discuss how the Frank-Starling law of the heart...Ch. 17 - Prob. 1CCSCh. 17 - Prob. 2CCSCh. 17 - Prob. 3CCSCh. 17 - Prob. 4CCSCh. 17 - Prob. 5CCSCh. 17 - Prob. 6CCS
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- High blood pressure would be a result of ___________ . a high cardiac output and high peripheral resistance a high cardiac output and low peripheral resistance a low cardiac output and high peripheral resistance a low cardiac output and low peripheral resistancearrow_forwardDescribe and explain the normal ECG pattern.arrow_forwardDraw a diagram of a normal electrocardiogram tracing. Name the individual waves and intervals, and indicate what each represents. Name some abnormalities that can be detected on an ECG tracing.arrow_forward
- Explain in as much detail as you can: Q. What is an electrocardiogram? What is its diagnostic significance? Different parts of the ECG record can be correlated to specific cardiac events. What electrical event does each component of ECG represent? R U I Q S P.arrow_forwardExplain what the features of an ECG signal indicate.arrow_forwardDescribe and analyze the portions of an EKG. Describe the effects on the different chambers of the heart (waves).arrow_forward
- Describe the placement of Einthoven’s triangle in terms of the heart and in terms of the standard ECG leads I, II, and III. State the site of placement of electrodes on the body for leads I, II, and III.arrow_forwardDraw a human ECG. Label, and explain all the waves and intervals. Do not forget to correctly label your axis - including units.arrow_forwardwhile a typical ECG tracing is shown, many things can alter and be perfectly normal for that individual. list some of the factors that change the standard tracing:.......?arrow_forward
- Based on the cases mentioned below, what pattern can be observed on an ECG? - Administration of alpha-2 agonists, hypercalcemia, cardiac glycoside toxicity, Lyme disease, endocarditis, traumatic myocarditis, cardiomyopathies, endocardiosis or myocardial fibrosis a-1st degree AV block b-AV block 2nd degree Mobitz type 1 c-AV block 2nd degree Mobitz type 2 d-3rd degree AV blockarrow_forwardcorrelate the cardiac action potential with the normal ECG tracings. compare the patient's ECG tracing with the discussionarrow_forwardDescribe the association of ECG tracings with electrical events occurring in the heartarrow_forward
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