EBK HUMAN BIOLOGY
11th Edition
ISBN: 9780100545939
Author: MCMILLAN
Publisher: YUZU
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Chapter 7, Problem 1CT
A patient suffering from hypertension may receive drugs that decrease the heart’s output, dilate arterioles, or increase urine production. In each case, how would the drug treatment help relieve hypertension?
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Your client is assessed in the emergency department with shock related to cardiac tamponade (bleeding into the pericardial cavity). What form of shock best describes your client's condition?
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b)
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c)
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Select the FALSE statement:
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OA) This abnormal ECG results in increased stroke volume
O B) In this abnormal ECG, the ventricles are not stimulated to contract by the SA node, the natural pacemaker.
of the heart
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Chapter 7 Solutions
EBK HUMAN BIOLOGY
Ch. 7 - List the functions of the cardiovascular system.Ch. 7 - Define a heartbeat, giving the sequence of events...Ch. 7 - What is the difference between the systemic and...Ch. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - State the main functions of venules and veins....Ch. 7 - Label the hearts main parts in the diagram below.Ch. 7 - Cells obtain nutrients from and deposit waste into...Ch. 7 - The contraction phase of the heartbeat is ______;...Ch. 7 - Prob. 3SQ
Ch. 7 - In the systemic circuit, the hearts _______ half...Ch. 7 - After you eat, blood passing through the GI tract...Ch. 7 - Prob. 6SQCh. 7 - Prob. 7SQCh. 7 - Prob. 8SQCh. 7 - _____ contraction drives blood through the...Ch. 7 - Match the type of blood vessel with its major...Ch. 7 - Prob. 11SQCh. 7 - A patient suffering from hypertension may receive...Ch. 7 - Heavy smokers often develop abnormally high blood...Ch. 7 - Prob. 3CTCh. 7 - Several years ago the deaths of several airline...
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- In a patient given a cardiac glycoside, important effects of the drug on the heart include which of the following? a) Increased force of contraction. b)Decreased atrioventricular conduction velocity c)Decreased ejection time d)Increased ectopic automaticityAll of the abovearrow_forwardAlthough not considered the primary pacemaker of the heart, the atrioventricular node can indeed be considered as playing SOME role in setting the rhythm of the heart (kind of a secondary pacemaker). Explain how/why.arrow_forwardPick all the correct answers for electrocardiogram (EKG). A) measures the electrical activity of the heart B) measures the cardiac output of the heart C) utilized to diagnose abnormal rhythms of the heart D) utilized to measure brain function CHAarrow_forward
- https://www.youtube.com/watch?v=t0IngUYN2OA https://www.youtube.com/watch?v=pPxnIh_WTb8 Part1 1) How would the BP of an anxious patient visiting a doctor be different than if the patient is calm? 2) In atherosclerosis, plaque builds up inside the arteries. How would this affect BP? Is this an example of hypertension or hypotension? Part 2: The circulatory system has 5 functions. · Highlight the statements below that are only functions of the circulatory system. It carries cells that help to fight diseases. It gives structure and support to the body. It carries waste products to the urinary system. It carries carbon dioxide from cells to the lungs. It maintains body posture. It carries nutrients from the digestive system to other cells. It carries oxygen from the lungs to other cells. · The list gives some structures in the blood and circulatory system. Heart, artery, red blood cell, ventricle, capillary, plasma, vein, white blood…arrow_forwardThe ST segment in the EKG is typically quiet and on the isoelectric line (like the T-P segment). What is happening during the ST segment in the EKG such that we see no waves? a) There is no electrical activity happening in the ventricles between the S and T waves b) The heart is relaxed and filling with blood c) The ST segment is representative of the plateau of the many ventricular action potentials happening at that point d) There is no longer Na+ influx during the ST segment so no waves are visible e) The ST segment is during ventricular repolarization and repolarization is not seen on the EKGarrow_forwardWhat is the relation of Electrocardiogram components with Heart function. Please briefly explain at your own words.arrow_forward
- Figure shows the conduction system of the heart that transmit the electrical impulses for the coordination of cardiac cycle. a) Referring to the Figure , which part of the heart's electrical conduction is known as the “pacemaker” of the heart? b)Explain how D controls atria and ventricles which causes ventricular systole.arrow_forwardcompare and contrast the difference between, right, left, and biventricular heart failure. Explain why a patient could have right-sided heart failure.arrow_forwardThe nurse is caring for a client with heart failure. Which medication classification is commonly prescribed to improve cardiac contractility and reduce symptoms of heart failure? a) Beta-blockers b) Calcium channel blockers c) Angiotensin-converting enzyme (ACE) inhibitors d) Cardiac glycosidesarrow_forward
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