BIO 1406/07 BK/LAB/CODE PREPACK
12th Edition
ISBN: 9781265538590
Author: Raven
Publisher: MCG
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Chapter 48, Problem 1S
Humans have a number of mechanisms that help to maintain blood pressure, particularly when it falls too low. Explain how the kidney and the endocrine systems help to maintain blood pressure.
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Chapter 48 Solutions
BIO 1406/07 BK/LAB/CODE PREPACK
Ch. 48.1 - Prob. 1LOCh. 48.1 - Prob. 2LOCh. 48.2 - Prob. 1LOCh. 48.2 - Prob. 2LOCh. 48.2 - Prob. 3LOCh. 48.3 - Prob. 1LOCh. 48.3 - Prob. 2LOCh. 48.4 - Prob. 1LOCh. 48.4 - Prob. 2LOCh. 48.5 - Prob. 1LO
Ch. 48.5 - Prob. 2LOCh. 48.5 - Prob. 3LOCh. 48.5 - Prob. 4LOCh. 48 - Prob. 1DACh. 48 - Prob. 1IQCh. 48 - Prob. 2IQCh. 48 - An ECG measures a. changes in electrical potential...Ch. 48 - Systole is vitally important to heart function and...Ch. 48 - Which of the following is the correct sequence of...Ch. 48 - Which of the following statements is not true? a....Ch. 48 - Prob. 5UCh. 48 - Prob. 6UCh. 48 - When a sphygmomanometer is used, a. blood pulses...Ch. 48 - Prob. 8UCh. 48 - In vertebrate hearts, atria contract from the top,...Ch. 48 - Prob. 2ACh. 48 - The difference between the amphibian and mammal...Ch. 48 - Prob. 4ACh. 48 - Humans have a number of mechanisms that help to...Ch. 48 - Prob. 2SCh. 48 - Is the evolution of the four-chambered heart...Ch. 48 - Prob. 4S
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- Patients with kidney disease lose plasma albumin in their urine. This loss of plasma proteins may lead to edema in these patients’ tissues. Use what you know about capillary filtration and reabsorption to explain why this edema occurs. The answer must include an explanation of what edema is.arrow_forwardHypertension is a major health issue in the United States, yet glomerular filtration rate is not autoregulated until mean arterial blood pressure exceeds 180 mm Hg. In contrast, a drop in mean arterial blood pressure of only a few mm Hg sets autoregulation into motion. What does this tell you about the regulation of blood pressure?arrow_forwardWhen blood pressure increases, the baroreceptor reflex is activated, and also kidney response pathways are activated. Which pathway acts faster to achieve a decrease in blood pressure, baroreceptor or kidney? Explain your answerarrow_forward
- Although the kidneys are probably best known as filtration organs, they also help control blood pressure. Explain their role in this process. please help with examplesarrow_forwardMr. Duderino comes to the doctor with high blood pressure. Test show that he also has elevated levels of renin in his blood and atherosclerotic plaques that have nearly blood blow flow through his renal arteries. Mr. Gregory is puzzled. Explain to him how decreased blood flow in his renal arteries could cause renin secretion to increase. Map the pathways through which elevated renin causes high blood pressure for Mr.Gregoryarrow_forwardHigh blood pressure often is accompanied by kidney damage. In somepeople the kidney damage is subsequent to the high blood pressure, but in others the kidney damage is what caused the high blood pressure. How would a low-salt diet enable you to determine whether the high blood pressure or the kidney damage came first?arrow_forward
- Some patients with hypertension are kept on a low-salt (low-sodium)diet. Propose an explanation for this therapy.arrow_forwardMr. Gregory comes to the doctor with high blood pressure. Tests show that he also has elevated levels of renin in his blood and atherosclerotic plaques that have nearly blocked blood flow through his renal arteries. Mr. Gregory is puzzled. Explain to him how decreased blood flow in his renal arteries could cause. renin secretion to increase. Map the pathways through which elevated renin causes high blood pressure for Mr. Gregory.arrow_forwardDescribe how hormones regulate blood pressure, blood volume, and kidney function.arrow_forward
- Pressure sensing by the kidneys is a better surrogate for: A. Heart rate B. Stroke volume C. Cardiac output D. Differences in water concentration between the intracellular and extracellular compartmentsarrow_forwardWhich hormone increases blood volume by increasing reabsorption of water in the kidneys? A erythropoietin B atrial natriuretic peptide C leptin D antidiuretic hormonearrow_forwardA patient has essential hypertension, and with a healthy lifestyle and medication, he is able to maintain normal blood pressure on a single antihypertensive medication. The medication he takes is called an angiotensin converting enzyme inhibitor, or ACE inhibitor, which blocks the activation of angiotensin II. Describe at least two mechanisms by which angiotensin II targets the kidneys to increase extracellular fluid volume and, therefore, increase blood pressure.arrow_forward
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