Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)
6th Edition
ISBN: 9780134206332
Author: Elaine N. Marieb, Lori A. Smith
Publisher: PEARSON
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Chapter 25, Problem 3MC
Sodium balance is regulated primarily by control of amount(s) (a) ingested, (b) excreted in urine, (c) lost in perspiration, (d) lost in feces.
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The liver and kidney are both important excretory organs.a) Describe the role of the liver in excreting waste products from the body.b) The kidneys ensure excess fluid and waste are removed from the body- identify the main structures within the kidneys and describe their roles in the excretion of waste.
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Chapter 25 Solutions
Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)
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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- Within a few days after a fast begins, nitrogen excretion accelerates to a higher-than-normal level. After a few weeks, the rate of nitrogen excretion falls to a lower level and continues at this low rate. However, after the fat stores have been depleted, nitrogen excretion rises to a high level. (a) What events trigger the initial surge of nitrogen excretion? (b) Why does nitrogen excretion fall after several weeks of fasting? (c) Explain the increase in nitrogen excretion when the lipid stores have been depletedarrow_forwardWhen dehydration occurs, (a) water reabsorption at the kidneys accelerates.(b) fluids are reabsorbed from the interstitial fluid. (c) blood osmotic pressure increases. (d) a, b, and c are correct.arrow_forwardA 25-year-old man has drunk 2000 ml. of water over the past 4 hours. For the past hours, he has felt the need to urinate but has not done so. He has remained content because of which of the following? A) Inhibition of parasympathetic spinal cord neurons B) inhibition of somatic motoneurons of the external urethral sphincter C) inhibition of sympathetic neurons of the internal urethral sphincter D) Stimulation of descending sympathetic pathways to the internal urethral sphincter E) Stimulation of parasympathetic spinal cord neuronsarrow_forward
- Angiotensin II ... a) Stimulates aldosterone secretion b) Stimulates ADH secretion c) Leads to increased feeling of thirst d) All options are correctarrow_forwardIdentify all of the following that are functions of the kidney: (a) maintain blood pH; (b) regulate blood ion concentrations; (c) regulate blood volume and blood pressure; (d) eliminate wastes, some hormones, and certain drugs from the blood; (e) release renin; (f) release erythropoietin; and (g) stimulate the final step in calcitriol formation.arrow_forwardWhat can a lack of sodium cause?arrow_forward
- Indicate whether the following statements are true or false :(a) Micturition is carried out by a reflex.(b) ADH helps in water elimination, making the urine hypotonic.(c) Protein-free fluid is filtered from blood plasma into the Bowman’s capsule.(d) Henle’s loop plays an important role in concentrating the urine.(e) Glucose is actively reabsorbed in the proximal convoluted tubule.arrow_forwardExplain the relationship of the following to renal secretion and excretion of hydrogen ions: (a) plasma carbon dioxide levels, (b) phosphate, and (c) sodium bicarbonate reabsorption.arrow_forwardThe kidneys are stimulated to produce renin ________. a) when the sympathetic nervous system is activated b) by an increase in the blood pressure c) when the specific gravity of urine rises above 1.010 d) when the pH of the urine decreasesarrow_forward
- What is the most abundant nitrogenous waste in the urine?What terms describe an abnormally high level of this waste in the blood, and poisoning by this waste?arrow_forwardFor each of the following, state whether it might result in dehydration, hypotonic hydration, or edema (discussed in Chapter 18): (a) decreased synthesis of plasma proteins due to liver failure; (b) copious sweating; (c) using ecstasy (MDMA), which promotes ADH secretion.arrow_forward2) in response to an increase in BP, ANP secretion will ....... causing a(n) ........ urine production. A) decrease, decrease B) decrease, increase c) increase, decrease e) increase, increasearrow_forward
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