Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 25.5, Problem 15CYU
Summary Introduction
To review:
The two mechanisms, by which the tubule and collecting duct cells generate new HCO3-.
Introduction:
Variations in diet or
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Chapter 25 Solutions
Anatomy & Physiology (6th Edition)
Ch. 25.1 - Which do you have more of, extracellular or...Ch. 25.1 - What is the major cation in the ECF? In ICF? What...Ch. 25.1 - If you eat salty pretzels without drinking, what...Ch. 25.2 - Prob. 6CYUCh. 25.2 - ADH, by itself, cannot reduce an increase in...Ch. 25.2 - For each of the following, state whether it might...Ch. 25.3 - Nathan has Addisons disease (insufficient...Ch. 25.3 - Prob. 9CYUCh. 25.3 - Prob. 10CYUCh. 25.4 - Define acidemia and alkalemia.
Ch. 25.4 - What are the bodys three major chemical buffer...Ch. 25.4 - Joanne, a diabetic patient, is at the emergency...Ch. 25.5 - Reabsorption of HCO3 is always tied to the...Ch. 25.5 - Prob. 14CYUCh. 25.5 - Prob. 15CYUCh. 25.5 - Prob. 16CYUCh. 25.6 - Which two abnormalities in plasma are key features...Ch. 25.6 - How do the kidneys compensate for respiratory...Ch. 25 - Body water content is greatest in (a) infants, (b)...Ch. 25 - Potassium, magnesium, and phosphate ions are the...Ch. 25 - Sodium balance is regulated primarily by control...Ch. 25 - Prob. 4MCCh. 25 - Two main substances regulated by the influence of...Ch. 25 - Two substances regulated by parathyroid hormone.Ch. 25 - Two substances secreted into the proximal...Ch. 25 - Prob. 8MCCh. 25 - Prob. 9MCCh. 25 - Prob. 10MCCh. 25 - Prob. 11MCCh. 25 - The pH of blood varies directly with (a) HCO3, (b)...Ch. 25 - In an individual with metabolic acidosis, a clue...Ch. 25 - Name the body fluid compartments, noting their...Ch. 25 - Prob. 2SAQCh. 25 - Prob. 3SAQCh. 25 - Prob. 4SAQCh. 25 - Prob. 5SAQCh. 25 - Explain how the chemical buffer systems resist...Ch. 25 - Explain the relationship of the following to renal...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...
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- Differentiate transport maxima and gradient-time limited transport in proximal tubule.arrow_forwardExplain the Mechanism of action of RAAS in response to fall in NaClarrow_forwardThe Na+-glucose transporters SGLT2 and SGLT1 are located at different levels of the kidney proximal tubule to minimize spillover of the glucose into the urine (See diagram attached) a) Consider the Na+-glucose coupling ratios for SGLT2 and SGLT1. Why would localization of SGLT2 in the early proximal tubule and SGLT1 in the late proximal tubule be advantageous? b) The Michaelis constant (Km) for the SGLT2 and SGLT1 transporters are 2 mM and 0.5 mM, respectively. Is SGLT2 or SGLT1 the higher affinity Na+-glucose transporter? d) Dapagliflozin is an SGLT1 inhibitor and commonly prescribed to treat type 2 diabetes. Why would this be of benefit to a diabetes patient?arrow_forward
- there is a known cause of high blood pressure that occurs because of a reduced fluid flow that triggers RAAS and Na+ reaborption with increased blood volume and pressure. what is it?arrow_forwardConcisely contrast the role of the countercurrent multiplierwith that of the countercurrent exchanger.arrow_forwardGiven the following volumes, calculate the Net Filtration: BP=30 mmHg, IF Osm Pressure=1 mmHg, Blood colloid osm pressure=22 mmHg, IF hydrostatic pressure=0 mmHgarrow_forward
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- Can you administer 4 medications/IV infusions in the central line at the same time? Or tubing of the central line has only 3 portals? Will it cause fluid overload especially if the patient is an old woman with comorbidities like HTN, Type 2 DM, Hyperlipidemia and is admitted to the hospital due to sepsis or septic shock? The formula for fluid overload is % Fluid overload=((total fluid in−total fluid out)/admission body weight×100)How would you know the total fluid out? Is it through laboratory results? How many ml of fluids can the patient tolerate?arrow_forwardHow does moderate to severe COPD (chronic obstructive pulmonary disease) often lead to chronic respiratory acidosis? How might the kidneys compensate for this i.e explain at least 2 mechanisms which the kidney may use to do so - be sure to include hormones, cells involved. If the H+/K+ ATPase is brought into service, how would the plasma K+ concentration be affected? Lastly, how would activation of H+/K+ ATPase counteract or synergize with the actions of aldosterone?arrow_forward• Estimation of the Water Potential (Ψw) of Storage Tissue by Volume Change Method Observe these experiments in these links: https://www.youtube.com/watch?v=jTDATlaBV-o https://www.youtube.com/watch?v=k1O9jBHgsxs Estimates of water potential of various tissues have been obtained after equilibrating the tissues in solutions of different osmotic potentials. The principle depends upon finding the concentration of sucrose that would cause no change in weight of the tissue before and after an incubation period in the solution. This concentration may be assumed to have a water potential equal to that of the tissue.arrow_forward
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