Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 25, Problem 17CYR
Summary Introduction
Introduction:
The ions are formed when electrolytes are dissolved and further break down to serve important body functions. These ions help in the maintenance of the acid-base balance, which is required for normal cellular activities.
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Which of the following statements correctly describes the role of aldosterone? a. Aldosterone triggers sodium ion and so water reabsorption. b. Aldosterone triggers potassium ion secretion. c. Aldosterone triggers hydrogen ion secretion. d. Both a and b are correct. e. All of the above are correct
Which of the following statements correctly identifies similarities and differences between antidiuretic hormone and aldosterone?
Select one:
a. While both hormones act to decrease blood pressure, aldosterone does this indirectly by retaining potassium ions.
b. While both hormones act to increase blood pressure, aldosterone does this indirectly by retaining sodium ions.
c. While both hormones act to increase water retention, aldosterone acts in response to the parasympathetic nervous system.
d. While both hormones act to decrease water retention, aldosterone acts in response to the sympathetic nervous system.
Which of the following would occur as a result of increased renin release by the kidneys?
Select one:
a. An increase in blood volume
b. An increase in urine output
c. A decrease in blood pressure
d. An increase in vasodilator secretion
e. A decrease in aldosterone
Clear my choice
Chapter 25 Solutions
Human Anatomy & Physiology
Ch. 25.1 - 1. What is a body fluid?
Ch. 25.1 - 2. What is balance with respect to body fluids?
Ch. 25.1 - How does an electrolyte differ from a...Ch. 25.1 - What is electrolyte balance?Ch. 25.1 - 5. How do acids and bases differ?
Ch. 25.1 - 6. Which pH values are acidic, basic, and...Ch. 25.2 - Prob. 1QCCh. 25.2 - What factors affect total body water?Ch. 25.2 - 3. Where are the intracellular and extracellular...Ch. 25.2 - Prob. 4QC
Ch. 25.2 - Prob. 5QCCh. 25.2 - Prob. 6QCCh. 25.2 - Prob. 7QCCh. 25.2 - How is thirst stimulated?Ch. 25.2 - How are fluids lost from the body?Ch. 25.2 - 10. What are the water requirements for an...Ch. 25.2 - 11. What is the role of ADH in fluid balance?
Ch. 25.2 - How is ADH secretion stimulated?Ch. 25.2 - How does dehydration affect the volume of the...Ch. 25.2 - Prob. 14QCCh. 25.2 - 15. How do dehydration and overhydration differ...Ch. 25.3 - What are the main roles of sodium ions in the...Ch. 25.3 - How is sodium ion concentration regulated?Ch. 25.3 - Prob. 3QCCh. 25.3 - Prob. 4QCCh. 25.3 - 5. How is the concentration of potassium ions in...Ch. 25.3 - 6. What happens to the resting membrane potential...Ch. 25.3 - Prob. 7QCCh. 25.3 - Prob. 8QCCh. 25.3 - Prob. 9QCCh. 25.3 - Prob. 10QCCh. 25.3 - 11. How is chloride ion reabsorption in the...Ch. 25.3 - 12. How is the concentration of magnesium ions in...Ch. 25.4 - What are the major sources of acids for the body?Ch. 25.4 - Prob. 2QCCh. 25.4 - Prob. 3QCCh. 25.4 - Prob. 4QCCh. 25.4 - Prob. 5QCCh. 25.4 - Prob. 6QCCh. 25.4 - Prob. 7QCCh. 25.4 - Prob. 8QCCh. 25.4 - How do metabolic acidosis and respiratory acidosis...Ch. 25.4 - Prob. 10QCCh. 25.4 - Prob. 11QCCh. 25.5 - Prob. 1QCCh. 25.5 - Prob. 2QCCh. 25 - Prob. 1CYRCh. 25 - 2. How does an electrolyte differ from a...Ch. 25 - Prob. 3CYRCh. 25 - Prob. 4CYRCh. 25 - Prob. 5CYRCh. 25 - Prob. 6CYRCh. 25 - Which of the following is false with respect to...Ch. 25 - Prob. 8CYRCh. 25 - Prob. 9CYRCh. 25 - Prob. 10CYRCh. 25 - Prob. 11CYRCh. 25 - Prob. 12CYRCh. 25 - Prob. 13CYRCh. 25 - Prob. 14CYRCh. 25 - 15. Which of the following mechanisms is/are used...Ch. 25 - Mark the following statements as true or false. If...Ch. 25 - Prob. 17CYRCh. 25 - 18. How does angiotensin-II help to restore fluid...Ch. 25 - Prob. 1CYUCh. 25 - Prob. 2CYUCh. 25 - Prob. 3CYUCh. 25 - Prob. 4CYUCh. 25 - Prob. 1AYKACh. 25 - Prob. 2AYKACh. 25 - Prob. 3AYKACh. 25 - Prob. 4AYKACh. 25 - Prob. 5AYKB
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- If aldosterone secretions increase,a. blood potassium levels increase.b. blood hydrogen levels increase.c. acidosis results.d. blood sodium levels decrease.e. blood volume increases.arrow_forwardAldosterone secretion is regulated by: A. renin secretion by the kidney resulting in the formation of angiotensin II that directly causes aldosterone release B. direct humoral stimulation of adrenal cortex cells by potassium ions C. ACTH during conditions of severe stress D. Atrial natriuretic pepside causing inhibition of aldosterone effects E. All of these are correctarrow_forwardThe hormone atrial natriuretic peptide: W. is produced by cells in the heart X. promotes sodium loss at the kidneys Y. suppresses anti-diuretic hormone secretion Z. increases aldosterone secretion Select one: a. if only W, X and Y are correct b. if only W and Y are correct c. if only X and Z are correct d. if only Z is correct e. if all are correctarrow_forward
- A patient has an ADH-secreting pulmonary carcinoma (syndrome of inappropriate ADH secretion). As a result of unregulated ADH secretion, you would expect to find: a. retention of water resulting in volume expansion b. low urinary osmolality c. increased renal sodium reabsorption d. high serum sodium concentration e. b and c A 25-year old woman develops a nonfunctional hypothalamic tumor that results in a complete inability to produce oxytocin. The most likely pathological response to this deficiency is: a. inability to ovulate b. amenorrhea c. hypertension d. inability to lactate normally e. inability to deliver a child vaginallyarrow_forwardBoth ADH and aldosterone act to a.increase urine volume. b.increase blood volume. c.increase total peripheral resistance. d.produce all of these effects.arrow_forwardWhich of the following is TRUE concerning renal handling of potassium? a. A high potassium meal will cause enhanced basolateral uptake via sodium-potassium pumps b. Most potassium reabsorption occurs at the distal tubules c. Aldosterone enhances potassium reabsorption at the proximal tubule d. Potassium is not filtered, so urinary excretion of potassium will only occur by stimulating potassium secretion e. Decreased extracellular potassium concentration increases aldosterone production and thereby reduces potassium secretionarrow_forward
- An increase in renin is caused bya. a decrease in sodium intake.b. a decrease in renal sympathetic nerve activity.c. an increase in blood pressure in the renal artery.d. an aldosterone-secreting adrenal tumor.e. essential hypertension.arrow_forwardUnder the effects of Aldosterone: A. The urine will have less water content B. The urine will have less sodium content C. The urine will have more water content D. Both A & Barrow_forwardHypotonic hydration can result froma. ADH hypersecretion.b. ADH hyposecretion.c. aldosterone hypersecretion.d. aldosterone hyposecretion.e. a and d only.arrow_forward
- Explain well asaparrow_forwardIf aldosterone was inhibited, which of the following would be affected? A. Na+/K+ pump activity in the descending limb of Henle. B. Na+ reabsorption in the proximal tubule. C. Transcellular transportation in the distal convoluted tubule. D. K+ reabsorption in the proximalarrow_forwardWhich of the following is NOT a function of the kidneys? a. Regulation of plasma (NA+) b. Secretion of a hormone that affects hematocrit c. Gluconeogenesis d. Secretion of a hormone that acts to decrease mean arterial pressure e. Metabolism of Vitamin Darrow_forward
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