Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 42.2, Problem 1SB
Summary Introduction
To review:
The comparison and contrast between the mechanism of glucagon and aldosterone by which they cause their specific responses.
Introduction:
Glucagon and Aldosterone are the hormones that help in regulating the
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Chapter 42 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 42.1 - What is the difference between a hormone and an...Ch. 42.1 - How is endocrine signaling different from...Ch. 42.2 - Prob. 1SBCh. 42.2 - Prob. 2SBCh. 42.3 - Prob. 1SBCh. 42.3 - Prob. 2SBCh. 42.4 - What effect does parathyroid hormone have on the...Ch. 42.4 - Prob. 2SBCh. 42.4 - Prob. 3SBCh. 42.4 - Prob. 4SB
Ch. 42.5 - How do hormones compare structurally and...Ch. 42 - Prob. 1TYKCh. 42 - Prob. 2TYKCh. 42 - When the concentration of thyroid hormone in the...Ch. 42 - Which of the following statements about endocrine...Ch. 42 - Prob. 5TYKCh. 42 - Prob. 6TYKCh. 42 - If the human body is stressed, glucocorticoids: a....Ch. 42 - Prob. 8TYKCh. 42 - Prob. 9TYKCh. 42 - Prob. 10TYKCh. 42 - Prob. 11TYKCh. 42 - Prob. 12TYKCh. 42 - Discuss Concepts In integrated pest management, a...Ch. 42 - Prob. 14TYKCh. 42 - Prob. 15TYKCh. 42 - Prob. 1ITDCh. 42 - Prob. 2ITDCh. 42 - Prob. 3ITDCh. 42 - Researchers measured prolactin and growth hormone...
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- Briefly describe the role of aldosterone in the regulation of potassium ions.arrow_forwardIn an emergency situation, fluids are given intravenously to a patient. The fluids increase the blood volume. Increasing the blood volume can help to increase the patient’s blood pressure.A hormone in the body that increases blood pressure and the mechanism it uses to do this are, respectively Select one: a. Hormone Mechanism ADH Increases water absorption in the kidneys b. Hormone Mechanism Oxytocin Increases smooth muscle contractions c. Hormone Mechanism ADH Decreases water absorption in the kidneys d. Hormone Mechanism Oxytocin Decreases smooth muscle contractionsarrow_forwardExplain the role each of the following hormones play during formation. Specify the target location of each of the hormones: ADH Aldosterone ANP PTHarrow_forward
- Congenital adrenal hyperplasia is a lifethreatening condition that results from a deficiency in the P450 enzyme steroid 21- hydroxylase. This enzyme catalyzes the first step in the conversion of progesterone into cortisol and aldosterone (Figures 26.28 and 26.29). A characteristic of congenital adrenal hyperplasia is an increase in sex hormone production. Explain why this is the case.arrow_forwardWhich of the following hormones is a part of the rapid response (rather than the prolonged response) to stress? View Available Hint(s)for Part A cortisol epinephrine ADH (vasopressin) aldosterone In response to stress, which of the following changes would happen? View Available Hint(s)for Part B decreased cardiac output decreased or difficulty breathing decreased insulin secretion decreased sweating Choose which condition has all of the following symptoms: hypertension, hyperglycemia, and a “moon face.” View Available Hint(s)for Part D Cushing’s disease Addison’s disease pheochromocytomaarrow_forwardThe kidneys are important regulators of blood volume (and thus MAP) and the ionic composition and pH of plasma . The amount of water reabsorbed or lost is hormonally regulated. Both the amount of blood that is filtered (glomerular filtration rate) and the amount of water that is reabsorbed is determined by hormones binding with receptors. In order to understand why the level of any given hormone is elevated or low in the blood, it is necessary to think in terms of homeostasis loops for each hormone, and what the initial disturbance to homeostasis was. In other words “who started it”! What NON STEROID hormone is produced at the end (but as part of) of the RAS pathway?arrow_forward
- The kidneys are important regulators of blood volume (and thus MAP) and the ionic composition and pH of plasma. The amount of water reabsorbed or lost is hormonally regulated. Both the amount of blood that is filtered (glomerular filtration rate) and the amount of water that is reabsorbed is determined by hormones binding with receptors. In order to understand why the level of any given hormone is elevated or low in the blood, it is necessary to think in terms of homeostasis loops for each hormone, and what the initial disturbance to homeostasis was. In other words "who started it"! What STEROID hormone is elevated by increased activation of the RAS pathway?arrow_forwardList three conditions that lead to aldosterone release.arrow_forwarddetermine the principle involved or color reaction mechanism of each steroid. progesterone with sulphuric acid methyl testosterone with sulphuric acid prednisone with sulphuric acid androsterone with sulphuric acidarrow_forward
- Vasopressin or antidiuretic hormone (ADH) is a peptide hormone synthesized in the a) hypothalamus. This hormone, when present, induces expression of water transport proteins (aquaporins) in the late distal tubule and collecting duct of the kidney to increase water reabsorption. Binding to the receptor triggers an intracellular cyclic adenosine monophosphate (CAMP) pathway. Arrange the following steps of hormone signalling in the proper order by putting 1, 2, 3, etc in the space provided, CAMP activates CAMP-dependent protein kinase (PKA). Recruitment of inactive G-protein made of heterotrimeric subunits which has GDP bound to a-subunit. Conformation change in GPCR. Adenylyl cyclase converts ATP into CAMP. PKA phosphorylates proteins in the cell. A cellular response is seen in the cell. a-subunit with GTP bound activates adenylyl cyclase. Activation of G-protein, thus GDP released an GTP binds to a-subunit. a-subunit of G-protein dissociates from By-dimer. Hormone binding to its…arrow_forwardHyponatremia is a condition that occurs when the level of sodium ions in the blood is severely low. This condition can occur in endurance sports such as ultra running. One cause of hyponatremia is when athletes consume too much water.The hormone that is secreted by the body to increase the absorption of sodium ions and the gland that secretes it are, respectively: Select one: a. Hormone Gland Aldosterone Adrenal cortex b. Hormone Gland ADH Posterior pituitary c. Hormone Gland ADH Adrenal cortex d. Hormone Gland Aldosterone Posterior pituitaryarrow_forwardMention a difference between the action of cortisol and adrenaline under stress.arrow_forward
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