Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 25.3, Problem 8CYU
Nathan has Addison’s disease (insufficient aldosterone release). How does this affect his plasma
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Nathan has Addison’s disease (insufficient aldosterone release). How does this affect his plasma Na+ and K+ levels? How does this affect his blood pressure? Explain.
Morgan is a nurse at the local hospital. She received the lab results back from a patient that said the patient has hyperaldosteronism, a high level of aldosterone. Based on this diagnosis, explain what you would expect in regard to blood levels of Na+ and K+ as well as blood pressure. Explain why.
A patient has a tumor in the adrenal cortex that continuously secretes large amounts of aldosterone. What is this condition called, and what effects does this have on the total amount of sodium and potassium in her body?
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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- Describe the functions of the following hormones: Aldosterone Erythropoietin Antidiuretic hormone Angiotensin II Epinephrinearrow_forwardWhat is the primary action of aldosterone? Increase sodium excretion to reduce blood pressure Increase potassium excretion to reduce blood pressure Stimulate the release of ANP to reduce blood pressure Increase sodium reabsorption to increase blood pressurearrow_forwardHow would blood pressure be affected if a person suffered from hypoaldosteronism (insufficient aldosterone secretion)? Wouldblood K+ levels also be affected? If so, how?arrow_forward
- Which of the following symptoms are consistent with reduced secretion of aldosterone: excessive urine production, low blood pressure, high plasma potassium levels, high plasma sodium level? Explain.arrow_forwardDiscuss the role of aldosterone and PTH in regulating sodium, potassium and calcium.arrow_forwardANP acts as a _____and an antagonist to aldosterone, resulting in a _____in blood volume.arrow_forward
- List three conditions that lead to aldosterone release.arrow_forwardWhich symptoms would you expect to see in a person who was unable to make enough aldosterone? high blood pressure low blood K+ high blood pressure and high blood Na+ low blood pressure and high blood K+arrow_forwardYour patient has a condition called hyporenin hypoaldosterone, which results in low levels of aldosterone. [Note: the NORMAL actions of aldosterone in the kidney is to excrete K+ and reabsorb Na+.] This condition results in excess K+ in the blood (lab results showed 7.5 mmol/L K+ in the blood) and low levels of Na+ in the blood (lab results showed 110 mmol/L Na+ in the blood). Answer the following questions. For the calculation, show your work. A. What is the medical term for high blood K+ levels? B. Calculate the Equilibrium Potential for K+ using the above lab value and a normal ICF K+ level of 145 mmol/L. C. What is the normal RMP for ventricular cardiac myocytes? E. What effect can this condition have on the heart?arrow_forward
- Maintenance of fluid balance is important for the survival of humans. How does antidiuretic hormone and aldosterone contribute to the maintenance of fluid balance?arrow_forwardA person has an adrenal tumor with increased secretion of aldosterone. They might develop secondary hypertension due to the resulting: 1) increase in sodium and ADH 2) decrease in sodium and ADH 3) increase in sodium and decrease in ADH 4) decrease in sodium and increase in ADHarrow_forwardThe primary function of ADH is to cause the retention of water. delay urination. increase digestive absorption. decrease blood pressure. increase the amount of sodium lost at the kidneys. 00000arrow_forward
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