Concept explainers
(a)
To determine: The hormone that promote water conservation.
Introduction: The kidneys regulate water and salt balance in the body. Hormones are proteins that play vital roles in functioning of the body and to maintain homeostasis. Salt and water balance is essential to maintain homeostasis. Hormones are involved in regulating this salt and water balance.
(b)
To determine: The hormone that promote sodium conservation.
Introduction: The kidneys regulate water and salt balance in the body. Hormones are proteins that play vital roles in functioning of the body and to maintain homeostasis. Salt and water balance is essential to maintain homeostasis. Hormones are involved in regulating this salt and water balance.
(c)
To determine: The hormone that promote thirst behavior.
Introduction: The kidneys regulate water and salt balance in the body. Hormones are proteins that play vital roles in functioning of the body and to maintain homeostasis. Salt and water balance is essential to maintain homeostasis. Hormones are involved in regulating this salt and water balance.
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Chapter 12 Solutions
Human Biology (MindTap Course List)
- What change in plasma is most important for triggering thirst? Where is that change sensed?arrow_forwardWhat triggers thirst? What is the hormonal response to thirst?arrow_forwardCompare and contrast the a.) organs/structure, b.) materials/substances, and c.) processes involved in fluid regulation and excretion of plants and animals.arrow_forward
- Vasopressin (ADH) a) Enhance facultative reabsorption of water b) Decreases reabsorption of water c) Increases excretion of calcium d) Decreases excretion of calciumarrow_forwardMatch the items of column I with those of column II :Column I Column II(a) Ammonotelism (i) Birds(b) Bowman’s capsule (ii) Water reabsorption(c) Micturition (iii) Bony fish(d) Uricotelism (iv) Urinary bladder(e) ADH (v) Renal tubulearrow_forward3) Which of the following best describes the action of a loop diuretic? A) Inhibits potassium reabsorption in the distal tubule B) Inhibits sodium reabsorption in the proximal tubule C) Inhibits sodium reabsorption in the loop of Henle D) Inhibits water secretion in the loop of Henlearrow_forward
- What is the appropriate compensatory response to an acid-load to the blood? A) Decrease renal H+ excretion B) Increase respiration to lower CO2 C) Decrease respiration to raise CO2 D) Decrease renal bicarbonate productionarrow_forwardCaffeine acts as a diuretic A) By inhibiting tubular sodium ion reabsorption B) By inhibiting the release of antidiuretic hormone C) By carrying water out of the glomerulus D) By inhibiting sodium ion movement in the loop of Henle E) By pure serum dilutionarrow_forwardWhat are the stimuli for thirst?arrow_forward
- The pH value of the body is regulated in the kidneys by ___________ by ______________. a) Reabsorption, carbon dioxide b) The secretion, carbon dioxide c) The secretion, hydrogen ions d) Reabsorption, hydrogen ionsarrow_forwardAlcohol acts as a diuretic A) By inhibiting the release of antidiuretic hormone B) By inhibiting sodium ion reabsorption C) By inhibiting sodium ion movement in the loop of Henle D) By carrying water out of the glomerulus E) By pure serum dilutionarrow_forwardWhich of the following statements is false regarding aging? a) Decreased ability to contribute to vitamin D synthesis, leading to Ca2 + deficiency and bone fractures. b) Numbers of glomeruli decrease and hence the ability to secrete and reabsorb. c) Gradually increasing size of the kidneys d) The ability to concentrate urine decreases and the kidneys respond to memories of ADH and aldosterone.arrow_forward
- Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning