Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 41, Problem 7RQ
The macula densa is/are:
- present in the renal medulla
- dense tissue present in the outer layer of the kidney
- cells present in the DCT and collecting tubules
- present in blood capillaries.
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Students have asked these similar questions
What causes polyuria during the renal insufficiency stage in chronic renal failure?
Decreased aldosterone secretion
Loss of renal tubule function
Decreased blood pressure
Increased glomerular filtrate rate
Presence of urinary casts in glomerular filtrate
Which of the following associations is correct?
Parietal layer of glomerular Capsule – Part of the filtration membrane
Visceral layer of glomerular Capsule – Contains podocytes
Proximal convoluted tubule – Simple cuboidal epithelium with microvilli
Glomerulus – Receives blood from the afferent arteriole
Loop of Henle – Helps create the osmolarity gradient in the renal medulla
Put these in the right order from
superficial to deep in the kidney:
renal cortex
renal pelvis
renal medulla
renal hilum
perirenal fat capsule
renal fascia
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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- The renal pyramids are separated from each other by extensions of the renal cortex called ________. renal medulla minor calyces medullary coitices renal columnsarrow_forwardFigure 41.6 Which of the following statements about the nephron is false? The collecting duct empties into the distal convoluted tubule. The Bowman’s capsule surrounds the glomerulus. The loop of Henle is between the proximal and distal convoluted tubules. The loop of Henle empties into the distal convoluted tubule.arrow_forwardMatch the renal process to the direction and type of movement. General, fluid movement into Bowman’s capsule. Group of answer choices Secretion Reabsorption Filtration Excretionarrow_forward
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- Answer the following correctly:arrow_forwardTab. 2. Morphological changes in the case of damage to the epithelial cells of the renal tubules (H&E micropreparations and electronograms) I. Normal epithelium of renal tubules Mark the corresponding elements in all the pictures: 1 - lumen of renal tubules 2 - nephrocyte nuclei 3- cytoplasm of nephrocytes 4- eosinophilia of the cytoplasm of nephrocytes 5- granules in the cytoplasm of nephrocytes II. Describe the morphological changes: III. Describe the morphological changes:arrow_forwardObstructive uropathy involves the obstruction of urine flow as it exits from kidney toward bladder. Answer all of the following: What happens when urine backs up in kidney? What structure can pressure on tubules damage? When obstruction occurs is it typically unilateral or bilateral? Why or why not?arrow_forward
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