Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Renal tubule cells in the kidney medulla are constantly exposed to high extracellular osmolirity. How do they maintain normal cell volume?
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- Discuss in details osmolarity in the urinary system with respect to balance fluid and electrolyte.arrow_forwardWhy does inhibition of ADH result in increased serum osmolarity?arrow_forwardUnder ALL CONDITIONS of salt and water intake the kidneys must: A. Excrete more water than osmolytes by concentration only B. Excrete more water than osmolytes by amounts only OC. Excrete more water than osmolytes by amounts AND concentration OD. Excrete variable amounts of water that are sometimes less than amounts of osmolytesarrow_forward
- Blood plasma osmolarity is higher than intracellular fluid osmolarity. TRUE or FALSEarrow_forwardIn what region of the kidney does extracellular fluid have the highest concentration of salt?arrow_forwardHow would you describe the movement of Na+ and HCO3- ? (Click all that apply)- Filtration- Reabsorbtion- Secretion- Active transport- Passive transportarrow_forward
- What condition could cause the bloodstream to be hypertonic relative to the nephron?arrow_forwardIf the pH of the tubular fluid went down, how would its Na+concentration change?arrow_forwardThe nephron reabsorbs glucose through a sodium / glucose transporter. What sort of transporter is it?arrow_forward
- The term somatic cell refers to: A) normal body cells other than sperm and egg B) pluripotent cells C) most stem cells D) all of the above are somatic cellsarrow_forwardWhich molecules are responsible for the high osmolarity of the renal medulla in the mammalian kidney? "Na+, Cl-, and K+" "urea, uric acid, and Na+" "Na+, Cl-, and urea" "uric acid, urea, and amonia"arrow_forwardHow are osmosis and dialysis similar? How do they differ?arrow_forward
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