BIOLOGY: CONCEPTS&INVEST. (LL)
5th Edition
ISBN: 9781264706983
Author: Hoefnagels
Publisher: MCG
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Chapter 30, Problem 5WIO
Summary Introduction
To determine:
Why some people take low dose of aspirin to help prevent a heart attack. One effect of aspirin is to prevent platelets from sticking together.
Concept introduction:
Heart attack is a result of coronary heart disease is a condition which causes blockage blood flow with in the heart muscle. A blood clot blocks the flow of blood in heart. Blood carries oxygen so due to blockage oxygen is less in body and is serves as fatal for life.
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Chapter 30 Solutions
BIOLOGY: CONCEPTS&INVEST. (LL)
Ch. 30.1 - What are the components of a circulatory system?Ch. 30.1 - Distinguish between open and closed circulatory...Ch. 30.1 - Describe the circulatory systems of fishes,...Ch. 30.2 - What are the components of blood?Ch. 30.2 - Prob. 2MCCh. 30.2 - Prob. 3MCCh. 30.3 - Prob. 1MCCh. 30.3 - Prob. 2MCCh. 30.4 - Why is the heart sometimes called two hearts that...Ch. 30.4 - Prob. 2MC
Ch. 30.4 - Prob. 3MCCh. 30.4 - Prob. 4MCCh. 30.5 - Prob. 1MCCh. 30.5 - Prob. 2MCCh. 30.5 - Prob. 3MCCh. 30.6 - Prob. 1MCCh. 30.6 - Prob. 2MCCh. 30.6 - Prob. 3MCCh. 30.7 - Prob. 1MCCh. 30.7 - Prob. 2MCCh. 30 - What is the advantage of a four-chambered heart?...Ch. 30 - Prob. 2MCQCh. 30 - Which of the following blood transfusions would be...Ch. 30 - Prob. 4MCQCh. 30 - Prob. 5MCQCh. 30 - Prob. 6MCQCh. 30 - Prob. 7MCQCh. 30 - How are open and closed circulatory systems...Ch. 30 - Prob. 2WIOCh. 30 - Prob. 3WIOCh. 30 - Prob. 4WIOCh. 30 - Prob. 5WIOCh. 30 - Describe the events that occur during one cardiac...Ch. 30 - Make a chart that compares systemic arteries,...Ch. 30 - Prob. 8WIOCh. 30 - Prob. 9WIOCh. 30 - Prob. 10WIOCh. 30 - The carotid artery extends from the heart to the...Ch. 30 - Prob. 12WIOCh. 30 - Prob. 13WIOCh. 30 - Name three ways that the circulatory system helps...Ch. 30 - Prob. 15WIOCh. 30 - Prob. 16WIOCh. 30 - Prob. 1PITCh. 30 - Prob. 2PITCh. 30 - Prob. 3PIT
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- Why do we need to prevent the decompensated state in patients with heart failure?arrow_forwardConsidering the function of the heart, why is it important that the myocardium cannot be tetanized?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
- Explain the association between atherosclerosis and ischemic heart disease. Imagine that you were the Surgeon General of the United States. What types of programs would you advocate to decrease heart disease? Do you think that as a society we should invest resources into the development of stemcell therapies for more effective treatment of myocardial infarction?arrow_forwardThrombocythemia is a condition in which the bone marrow makes too many platelets. Is it a cancer? What happens if the platelets count becomes high? Is it possible to bring the level back to normal?arrow_forwardSelect the correct statement regarding the AV node B) it produces the P wave on the EKG C) it is also known as the heart's pacemaker D)it contains autorhythmic cellsarrow_forward
- Why should we maintain a patient in a compensated heart failure state?arrow_forwardHow does the fact that cardiac muscle does not undergo tetanus (as skeletal muscle does) affect the functioning of the heart?arrow_forwardA 50-year-old female patient comes into the physician’s office and states, “People in my family all start to die at 50 from heart disease.” What guidelines can you give her to help prevent the disease? Explain to the patient the symptoms a woman may experience if she is having a heart attack.arrow_forward
- A patient suffering from hypertension may receive drugs that decrease the hearts output, dilate arterioles, or increase urine production. In each case, how would the drug treatment help relieve hypertension?arrow_forwardIn 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_forwardWhich of the following statements regarding heart valves is NOT true? a) They are flaplike structures. Ob) There are four valves in the heart. Oc) They prevent backflow of blood. d) They must remain tightly closed in order to work properly.arrow_forward
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