Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 41, Problem 25CTQ
Compare and contrast the formation of urea and uric acid.
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Name the condition in which there is presence of sugar in urine.
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Chapter 41 Solutions
Biology 2e
Ch. 41 - Figure 41.5 Which of the following statements...Ch. 41 - Figure 41.6 Which of the following statements...Ch. 41 - Figure 41.8 Loop diuretics are drugs sometimes...Ch. 41 - When a dehydrated human patient needs to be given...Ch. 41 - The sodium ion is at the highest concentration in:...Ch. 41 - Cells in a hypertonic solution tend to: shrink due...Ch. 41 - The macula densa is/are: present in the renal...Ch. 41 - The osmolarity of body fluids is maintained at...Ch. 41 - The gland located at the top of the kidney is the...Ch. 41 - Active transport of K+ in Malpighian tubules...
Ch. 41 - Contractile vacuoles in microorganisms:...Ch. 41 - Flame cells are primitive excretory organs found...Ch. 41 - BUN is. blood urea nitrogen blood uric acid...Ch. 41 - Human beings accumulate ____before____ excreting...Ch. 41 - Renin is made by. granular cells of the...Ch. 41 - Patients with Addison's disease retain water...Ch. 41 - Which hormone elicits the 'fight or flight”...Ch. 41 - Why is excretion important in order to achieve...Ch. 41 - Why do electrolyte ions move across membranes by...Ch. 41 - Why are the loop of Henle and vasa recta important...Ch. 41 - Describe the structure of the kidney.Ch. 41 - Why might specialized organs have evolved for...Ch. 41 - Explain two different excretory systems other than...Ch. 41 - In terms of evolution, why might the urea cycle...Ch. 41 - Compare and contrast the formation of urea and...Ch. 41 - Describe how hormones regulate blood pressure,...Ch. 41 - How does the renin-angiotensin-aldosterone...
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- Explain the structure and components of a typical URI. Provide examples of common URI schemes.arrow_forwardThe concentration of urea in urine is always much higher than the concentration in plasma. Does this mean that urea is secreted? Hint: remember that concentration is a ratio.arrow_forwardAfter about 6 weeks of fasting, the production of urea isdecreased. Explain.arrow_forward
- Discuss the diagnostic significance of an elevated/decreased Blood Urea Nitrogen (BUN) levelarrow_forwardIndicate whether the following sentences is True or False 1) Urea is the major nitrogen-containing metabolic product of protein catabolism in humans, accounting for > 75% of the nonprotein nitrogen eventually excreted 2) Dialysis is the process of separating substances in solution based on size and the difference in their diffusion rates through a semipermeable membranearrow_forwardName the phenomenon of removal of urea as excretory product.arrow_forward
- When diagnosed, a patient suffering from pain in the joints was found to have elevated uric acid in the blood, along with other symptoms. What could be the reason?arrow_forwardCompare between with examples and structures if present Urea related amino acids (Types)arrow_forwardWhat is the clinical significance of the presence of glucose in the urine?arrow_forward
- State the implication of a high value of NPN in blood and urine. What does the amount of urea, ammonia, and creatinine in the urine tell us about renal function? Which food substances can lead to an increased value of NPN in the blood?arrow_forwarda) Explain what would happen in the absence of the vasa recta accompanying the loop of Henle in the renal medulla b)Explain the process of the urea cycle or trap and what is the purpose of maintaining high urea concentration in the renal medullaarrow_forwardExplain why kidney failure could result in the accumulation of nitrogen-containing waste products in the blood.arrow_forward
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