Read the following statements :-(i) Dialysis fluid contain all the constituents as in plasma except ..(a)...(ii) A chordate animal having protonephridia as excretory structure is ..(b)..(iii) Reabsorption of water from distal parts of the tubule is facilitated by hormone ..(c)..In above statements (a), (b), (c) areGlucose, Planaria, ADHNitrogenous wastes, Planaria, ADHNitrogenous wastes, Amphioxus, ADHNaCl, Rotifers, Aldosterone

Dialysis fluid contains all the constituents of the plasma except _______ .

1. Unlike an earthworm’s metanephridia, a mammalian nephron(A) is intimately associated with a capillary network.(B) functions in both osmoregulation and excretion.(C) receives filtrate from blood instead of coelomic fluid.(D) has a transport epithelium.2. Which process in the nephron is least selective?(A) filtration(B) reabsorption(C) active transport(D) secretion3. Which of the following animals generally has the lowestvolume of urine production?(A) vampire bat(B) salmon in fresh water(C) marine bony fish(D) freshwater flatwormLevels 3-4: Applying/Analyzing4. The high osmolarity of the renal medulla is maintained bywhich of the following?(A) active transport of salt from the upper region of thedescending limb.(B) the loose packing of juxtamedullary nephrons.(C) diffusion of urea into the collecting duct.(D) diffusion of salt from the descending limb of the loop ofHenle.5. In which of the following species should natural selection favorthe highest proportion of juxtamedullary nephrons?(A) a river otter(B) a mouse species living in a temperate broadleaf forest(C) a mouse species living in a desert(D) a beaver6. African lungfish, which are often found in small, stagnantpools of fresh water, produce urea as a nitrogenous waste. Whatis an advantage of this adaptation?(A) Urea takes less energy to synthesize than ammonia.(B) Small, stagnant pools do not provide enough water to diluteammonia, which is toxic.(C) Urea forms an insoluble precipitate.(D) Urea makes lungfish tissue hypoosmotic to the pool.999

Tubular reabsorption in response to ADH is referred to as ______.Multiple choice question.facultative water reabsorptionobligatory water reabsorption

Which of the following is NOT a function of the kidneys?Multiple ChoiceRemoval of excess chemicalsSynthesis of plasma proteinsMaintaining volume, pH, and composition of body fluids within normal rangesRemoval of metabolic wastes

Which of the following statements is correct in regards to both mammals?ABlood is delivered to the glomerulus by the afferent capillary.BThe Bowman’s capsule is responsible for creating urine from filtrate.CThe distal convoluted tubule always reabsorbs large amounts of water.DThe proximal convoluted tubule removes glucose, amino acids, and water from the blood.