Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 23, Problem 18RQ
a.
Summary Introduction
To determine: The amount of Ca2+ a person filters in a day.
Introduction: GFR (glomerular filtration rate) describes the amount of fluid that filters into Bowman’s capsule per unit time.
b.
Summary Introduction
To determine: The amount of Ca2+ a person must excrete to balance the Ca2+ level in the body.
Introduction: The total body Ca2+ is all the calcium in the body, which is distributed among three compartments: extracellular fluid, intracellular Ca2+, and extracellular matrix (bone).
c.
Summary Introduction
To determine: The percentage of filtered Ca2+ to be reabsorbed by the renal tubule.
Introduction: The Ca2+ loss from the body occurs primarily through the kidneys, with a small amount excreted in feces.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Given: For urea, the rate of excretion equals to the GFR times the urea concentration in plasma.
(A) If the urea concentration in plasma is 4.5 mmol/l, what GFR (in l/day) would correspond to an excretion rate of 450 mmol/day.
(B) If the urea clearance is 70 ml/min and the GFR is 125 ml/min, what fraction of urea is being reabsorbed.
(answer A and B)
Individuals with a rare condition called diabetes insipidus do not produce vasopressin. How would urine output of an individual with diabetes insipidus compare with that of a healthy individual?
Which of the following is TRUE about glucose reabsorption in the kidney?
a.If an individual does not have diabetes mellitus, 100% of filtered glucose is reabsorbed at the proximal convoluted tubule.
b.If an individual has diabetes mellitus, filtered glucose will be present in all the renal tubule.
c.Glucose reabsorption along the proximal convoluted tubule uses the sodium glucose secondary active transporter and it is independent of insulin.
d.All of the above
e.None of the above
asap
Chapter 23 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 23.2 - Prob. 1CCCh. 23.2 - Prob. 2CCCh. 23.2 - What do the abbreviations HPA and CBG stand for?...Ch. 23.2 - Prob. 4CCCh. 23.2 - Prob. 5CCCh. 23.2 - Prob. 6CCCh. 23.2 - Would someone with Addisons disease have normal,...Ch. 23.2 - Prob. 8CCCh. 23.3 - A woman who had her thyroid gland removed because...Ch. 23.3 - Prob. 10CC
Ch. 23.4 - Prob. 11CCCh. 23.5 - Prob. 12CCCh. 23.5 - Prob. 13CCCh. 23.6 - Prob. 14CCCh. 23.6 - Prob. 15CCCh. 23.6 - Prob. 16CCCh. 23.6 - Prob. 17CCCh. 23 - Name the zones of the adrenal cortex and the...Ch. 23 - For (a) cortisol, (b) growth hormone, (c)...Ch. 23 - Prob. 3RQCh. 23 - Prob. 4RQCh. 23 - Define each of the following terms and explain its...Ch. 23 - Prob. 6RQCh. 23 - Prob. 7RQCh. 23 - Prob. 8RQCh. 23 - Define, compare, and contrast or relate the terms...Ch. 23 - Prob. 10RQCh. 23 - Prob. 11RQCh. 23 - Osteoclasts make acid (H+) from CO2 and H2O. They...Ch. 23 - Prob. 13RQCh. 23 - One diagnostic test to determine the cause of...Ch. 23 - Prob. 15RQCh. 23 - Prob. 16RQCh. 23 - Prob. 17RQCh. 23 - Prob. 18RQCh. 23 - Prob. 19RQ
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following does not contribute to the process of filtration? (a) active transport by epithelial cells lining renal tubules (b) large surface area for filtration (c) low permeability of glomerular capillaries (d) high hydrostatic blood pressure in glomerular capillaries (e) podocytesarrow_forwardWhich of the following does not contribute to the high salt concentration in the interstitial fluid of the kidney medulla? (a) active transport of sodium from the upper part of the ascending limb (b) diffusion of salt from the ascending limb of the loop of Henle (c) reabsorption of salt from various regions of Bowmans capsule (d) counterflow of fluid through the two limbs of the loop of Henle (e) diffusion of urea out of the collecting ductarrow_forwardFatty tissue holds the kidneys in place. Extremely rapid weight loss may cause this tissue to shrink so that the kidneys slip from their normal position. On rare occasions, the slippage can put a kink in one or both ureters and block urine flow. Suggest what might then happen to the kidneys.arrow_forward
- Atrial Natriuretic Peptide helps to reduce overall blood pressure in a variety of ways. One way is by increasing Glomerular Filtration Rate. a. Why/how would increasing GFR cause decreased blood pressure? b. To increase GFR, would Atrial Natriuretic Peptide cause constriction or dilation of afferent arterioles at the kidneys? The efferent arterioles?arrow_forwardAn investigator is studying renal physiology in patients with type 1 diabetes mellitus. When a substance that inhibits glucose reabsorption is given, which of the following best describes the clearance of glucose?a. Decreases and approaches the clearance of p-aminohippurateb. Decreases and approaches the clearance of inulinC. Increases and approaches the clearance of p-aminohippurated. Increases and approaches the clearance of inuline. Increases and approaches the clearance of sodiumarrow_forwardMinimal change glomerulopathy results in proteinuria and is a major cause of nephrotic syndrome. Briefly explain (make sense of) this statement and outline the changes occurring in the filtration barrier which permit proteins to enter the renal tubules, and explain two consequences of losing plasma proteins from the body.arrow_forward
- Severe diarrhea is one of the most common causes of death in young children. One of the principal effects of diarrhea is the excretion of large quantities of sodium bicarbonate. In which direction does the bicarbonate buffer system shift under this circumstance? What is the resulting condition called?arrow_forwardWhat condition would a patient have if they excreted greater than 150 mg of protein per day? What diagnostic information can be obtained by an elevated urine microalbumin? Proteinuria can be classified as ___ or ___.arrow_forwardIn patients with diabetes mellitus, not enough insulin is produced; as a consequence, blood glucose levels increase. If blood glucose levels rise high enough, the kidneys are unable to absorb the glucose from the glomerular filtrate, and glucose "spills over" into the urine. What effect does this glucose have on urine concentration and volume? How does the body adjust to the excess glucose in the urine?arrow_forward
- Kindly answer and please explain why. All of the following are increased in an unpreserved urine except: A. pH B. Odor C. Glucose D. Turbidity Factors that influence urine volume: A. Fluid loss B. Variations in the secretion of ADH C. Both D. Neither A urine volume of 2,300 per day is considered: A. Normal B. Polyuria C. Neither D. Both Causes of anuria: A. Kidney damage B. Decrease blood flow to kidneys C. Both a and b D. None Decrease in the production of ADH A. Diabetes Mellitus B. Diabetes insipidus C. Cushing syndrome D. Good Pasture’s Syndromearrow_forwardExplain the mechanism how furosemide affects kidney tubules. How does this affect K+ balance? How different is the mechanism of thiazide affect urine production? Describe the process of acid-base regulation in human body.arrow_forwardGiven: A patient’s GFR (glomerular filtration rate) is 125 ml/min, and his urine is produced at a rate of 1.25 ml/min. (A) By what factor is the inulin concentrate in his urine. (B) The concentration of glucose in his plasma is 5 mmol/l. His renal reabsorption of glucose is completely inhibited. What would be the concentration of glucose in his urine? (answer parts a and b)arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage LearningBiology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
- Essentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:CengageHuman Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
Excretory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=q5qaGHfdmYM;License: Standard youtube license