Which of the following is NOT a function of the kidneys? * Metabolism of Vitamin D Secretion of a hormone that acts to decrease mean arterial pressure Regulation of plasma [Na+] Secretion of a hormone that affects the hematocrit Gluconeogenesis

Which of the following is NOT a function of the kidneys? * Metabolism of Vitamin D Secretion of a hormone that acts to decrease mean arterial pressure Regulation of plasma [Na+] Secretion of a hormone that affects the hematocrit Gluconeogenesis

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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When blood plasma pH gets too low kidneys can produce more HCO3- because: Multiple Choice more HCO3- can be filtered by the glomerulus less HCO3- is being reabsorbed in the proximal convoluted tubule less HCO3- can be filtered by the glomerulus renal tubule cells can make more HCO3- from certain substrates
Which of the following is incorrectly matched? PCT - facilitated diffusion of glucosedescending loop of Henle - sodium reabsorptioncollecting duct - water reabsorptionDCT - reabsorption of bicarbonate ionsglomerulus - high pressure filtration
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These vessels marked by the white arrow 1. are classified as 'cap bed 1' vessels in the renal portal system 2. function to secrete glucose molecules across the wall of the proximal convoluted tubule 3. move hydrogen ions across their endothelial cells into the lining cells of the proximal convoluted tubule for pH regulation (if the blood is in acidosis) 4. secrete the products of drugs metabolism into the filtrate of the proximal convoluted tubules Choose from the following: (A) 1 and 2 (B) 2 and 3 (C) 1 and 3 (D) 1, 2, and 3 (E) 3 only (F) 4 only (G) 1, 2, 3, and 4
The absorption of glucose to near completion in the proximal tubule depends on: OA. Amounts of filtered glucose into the nephron OB. Activity of the Na/K ATPase C. Intracellular [Na] OD. All of the above
A 75-year-old man with a long history of diabetes mellitus is found unresponsive inhis apartment. He appears dehydrated. His serum glucose concentration is 860 mg/dL. A urine dipstick shows 4+ glucose and no ketones. Which of the following circulating hormones is the most likely cause of the absence of urinary ketones despite the increased serum glucose concentration?a. ADH (vasopressin)b.GlucagonC. Insulin d. Pancreatic polypeptide e. Somatostatin
Drinking seawater cannot prevent death by dehydration. What would result if humans attempted to alleviate their dehydration by drinking seawater? justify your answer by describing kidney physiology. why wouldn't reflexes, in response to dehydration, fully compensate and what does this illustrate about the force allowing kidneys to retain water under nromal conditions?
Glycosuria (glucose in the urine) in diabetes mellitus occurs: the total renal blood flow is low. O the plasma glucose concentration is greater than the renal plasma threshold. they have inadequate amounts of ADH. O. None of the choices are correct.
Blood vessels travel in parallel to provide fresh blood to all tissue. However, one of the exceptions is the two capillary beds of the kidneys located in series. Blood flow occurs as follows: afferent arteriole- glomerulus- efferent arteriole - the peritubular capillaries. How does this series of blood flow benefit the kidneys and homeostasis?
High circulating blood osmolarity results in the release of , which causes the collecting duct to be to water Antidiuretic hormone, permeable Oxytocin, impermeable O Aldosterone, impermeable Oxytocin, permeable O Antidiuretic, impermeable
A patient suffering from a tumor in the hypothalamus produces excessive amounts of ADH, acondition called syndrome of inappropriate ADH (SIADH) production. For this patient, the excessive ADH production is chronic and has persisted for many months. A student nurse keeps a fluid intake-output record on the patient. She is surprised to find that fluid intake and urinary output are normal. Using a flowchart and your knowledge on feedback mechanisms, show why the urinary output isnormal in this patient.
Part A Why is control over blood [Ca2+] and [Red Blood Cell] crucial? Choose one hormone involved in either of these homeostatic systems that regulate the concentration of these ions/cells and describe how it functions in homeostasis. Remember to include the name of the gland that secretes it. Part B Choose one molecule that is reabsorbed by the nephron and describe the process by which it is reabsorbed.