In the process of urine formation, first filtrate is formed, then tubular fluid,

Question

In the process of urine formation, first filtrate is formed, then tubular fluid, then urine. tubular fluid is formed, then filtrate, then urine. _____________ How are the processes of reabsorption and secretion related? They both involve movement of material from the blood into the tubular fluid. They both involve movement of material from the tubular fluid into the blood. Materials move in opposite directions: reabsorption moves materials into the blood, Whereas secretion removes them from the blood. Materials move in opposite directions: secretion moves materials into the blood, Whereas reabsorption removes them from the blood._____________ Net filtration pressure is equal to the glomerular hydrostatic pressure plus blood colloid osmotic pressure minus capsular hydrostatic pressure. capsular hydrostatic pressure plus the sum of the blood colloid osmotic pressure and the glomerular hydrostatic pressure. blood colloid osmotic pressure minus the capsular hydrostatic pressure. glomerular hydrostatic pressure minus the sum of the blood colloid osmotic pressure and capsular hydrostatic pressure. glomerular hydrostatic pressure minus the sum of the blood colloid osmotic pressure and capsular hydrostatic pressure. capsular hydrostatic pressure minus the sum of the blood colloid osmotic pressure and glomerular hydrostatic pressure.__________________ If the filtration membrane were made more porous, bow would you expect the glomerular filtration rate to change? Decrease No change Increase ______________ The hormone ANP is released from the heart and causes the urinary system to increase urine volume and blood volume. decrease urine volume and increase blood volume. decrease urine volume and blood volume. increase urine volume and decrease blood volume.____________ Most tubular reabsorption occurs in the distal convoluted tubule, where cells have many flagella. distal convoluted tubule, where cells have many microvilli. proximal convoluted tubule, where cells have many flagella. proximal convoluted tubule, where cells have many microvilli. ____________ Aldosterone is a steroid hormone ____________ synthesis of Na^+/K^+ pumps and Na^+ channels in principal cells of kidney tubules. inhibits stimulates _______________

Explanation / Answer

70. Ans) a

Reason-filtrate formed by filtration in glomeruli, tubular fluid formed in Henle's loop and tubules and at last urine is formed.

Ans.71) c

Reason- in tubules and henley's loop, ions and filtrate are reabsorbed and water is decorated into tubules

Ans.72)d

Reason-

NPP= glomerular hydrostatic pressure - (plasma colloid osmotic pressure + Bowman's capsule hydrostatic pressure)

Ans.73) will increase

Ans.74)d

Reason- ANP increase urine formation by shutting down absorption of sodium ion, which causes excessive excreation of electrolytes and water. Increasing urine volume and decreasing blood volume by excessive excreation of water.

Ans.75) b

Reason- Dct is the region where maximum water and sodium ion absorption occur.

Ans.76)stimulates

Reason - aldosterone acts to preserve sodium ion in body.

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