Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 19, Problem 15RFT
Summary Introduction
Introduction:
Hormones are the chemical messengers released by endocrine glands. They control various body functions. One of these functions includes maintaining blood pressure. This is achieved by retention or removal of sodium ions and water from the blood.
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Reduced fluid losses in the urine due to retention of sodium ions and water is a result of the action of, (a) insulin. (c) aldosterone. (b) calcitonin. (d) cortisone.
The higher the plasma concentration of aldosterone, themore efficiently the kidney will(a) conserve sodium ions.(b) retain potassium ions.(c) stimulate urinary water loss. (d) secrete greater amounts of ADH.
Aldosterone ......
A) is secreted by the posterior lobe of the pituitary gland (neurohypophysis)
B) increases potassium concentration in blood
C) production is greatly influenced by ACTH
Chapter 19 Solutions
Human Anatomy (9th Edition)
Ch. 19 - Match each numbered item with the most closely...Ch. 19 - Prob. 2RFTCh. 19 - Prob. 3RFTCh. 19 - Prob. 4RFTCh. 19 - Prob. 5RFTCh. 19 - Prob. 6RFTCh. 19 - Prob. 7RFTCh. 19 - Match each numbered item with the most closely...Ch. 19 - Match each numbered item with the most closely...Ch. 19 - Prob. 10RFT
Ch. 19 - Prob. 11RFTCh. 19 - Blood vessels that supply or drain the thyroid...Ch. 19 - Prob. 13RFTCh. 19 - Prob. 14RFTCh. 19 - Prob. 15RFTCh. 19 - Prob. 16RFTCh. 19 - Prob. 17RFTCh. 19 - Prob. 18RFTCh. 19 - A structure known as the corpus luteum secretes...Ch. 19 - Prob. 1RCCh. 19 - Prob. 2RCCh. 19 - Prob. 3RCCh. 19 - Prob. 4RCCh. 19 - Prob. 5RCCh. 19 - 6. What effects do thyroid hormones have on body...Ch. 19 - Prob. 7RCCh. 19 - Prob. 8RCCh. 19 - Prob. 9RCCh. 19 - 1. How could a pituitary tumor result in the...Ch. 19 - 2. Endocrine abnormalities rarely, if ever, result...Ch. 19 - Prob. 3CTCh. 19 - Prob. 4CT
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- The primary function of antidiuretic hormone (ADH) is to, (a) increase the amount of water lost at the kidneys. (b) decrease the amount of water lost at the kidneys. (c) dilate peripheral blood vessels to decrease blood pressure. (d) increase absorption along the digestive tract.arrow_forwardIncreased concentrations of aldosterone lead to ... a) Increased reabsorption of Na + b) Decreased blood volume c) Increased permeability to water in distal tubules d) Decreased reabsorption of Cl-arrow_forwardSome kidney cells produce (a) antidiuretic hormone, (b) erythropoietin, (c) mineralocorticoids, (d) ANP.arrow_forward
- Hormones released by endocrine glands 1) ACTH 2) Cortisol 3) Thyroxine 4) Aldosterone 5) Epinephrine 6) ADH. Match the following to the number above a) ________: returns the sodium ion concentration in the blood back to normal after sweating. b) ________: Decreased secretion leads to an excessive amount of urine. c) _________: Stimulates the release of the hormone responsible for increases in blood sugar. d) ________: Excessive secretion leads to weight loss.arrow_forward50 Which of the following is most likely to stimulate the release of aldosterone from the adrenal gland? A) A decrease in the osmolality of the plasma B) A decrease in the release of renin by the kidney C) An increase in the arterial blood pressure D) An increase in the extracellular fluid volume E) An increase in the rate of conversion of angiotensin I to angiotensin IIarrow_forwardAldosterone will cause the Na to move from .............. in the blood vessel and the secretion of .............. from the blood into the ...............arrow_forward
- If aldosterone causes exchange of sodium ion for potassium ion: A) Then the adrenal cortex regulates serum pH B) The posterior pituitary is responsible for serum potassium ion levels C) The adrenal medulla is critical to sodium and potassium levels in the blood D) None of these answers is correct E) An adrenal tumor that secretes aldosterone can result in abnormal potassium ion levelsarrow_forwardHow does the hormone aldosterone influence potassium levels? a.) It increases potassium secretion by the kidneys and decreases potassium blood concentration. b.) It increases potassium secretion by the kidneys and increases potassium blood concentration. c.) It increases potassium reabsorption by the kidneys and decreases potassium blood concentration. d.) It increases potassium reabsorption by the kidneys and increases potassium blood concentration.arrow_forwardWhat controls the secretion of aldosterone under these circumstances?arrow_forward
- During a state of low blood volume and decreased extracellular sodium level (as in cardiac failure), which one of the following occurs? 1) B. Aldosterone is produced by the kidneys, leading to the release of renin, which increases kidney reabsorption of sodium. 2) D. Antidiuretic hormone produced by the kidneys stimulates the production of aldosterone by the adrenal gland, which increases reabsorption of sodium and water retention. 3) A. Renin is produced by the kidneys and is converted to angiotensin, which induces the secretion of aldosterone by the adrenal gland, which in turn increases reabsorption of sodium and retention of water. 4) C. Renin is produced by the adrenal glands, leading to vasoconstriction and production of antidiuretic hormone by the pituitary gland, which increases fluid volume by causing water retention. no references, just homeworkarrow_forwardWhat effect does an overproduction of the hormone aldosterone have on the concentration of sodium and potassium in the blood?arrow_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
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