Related Mcqs:

1. The basic filtration equation is given as dt/dV = (μ/A ΔP). [(α .CV/A) + Rm], where, V is volume of the filtrate; A is the filtration area, a is specific cake resistance, μ is viscosity of the filtrate, and C is the concentration of the solids in the feed slurry. In a 20 minutes constant rate filtration, 5 m3 of filtrate was obtained. If this is followed by a constant pressure filtration, how much more time in minutes, it will take for another 5 m3 of filtrate to be produced? Neglect filter medium resistance, Rm; assume incompressible cake ?

   A. 10
   B. 20
   C. 25
   D. 30

2. What is the glomerular filtration rate ?

   A. 100 ml/min
   B. 125 ml/min
   C. 150 ml/min
   D. 175 ml/min

3. The glomerular filtration rate of the human kidney may be determined by measuring the plasma clearance of______________?

   A. PAH
   B. Urea
   C. Inulin
   D. Glucose

4. Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the _____________ filtration?

   A. Constant rate
   B. Varying pressure
   C. Varying rate
   D. Constant pressure

5. A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ___________________?

   A. ½w2 . R2 . ρL
   B. ½w2 . δ2 . ρL
   C. ½w2 . δρL (2R + δ)
   D. ½w2 . R . ρL(R + 2δ)

6. The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant ______________ filtration?

   A. Rate
   B. Pressure
   C. Both A. & B.
   D. Neither A. nor B.

7. Filtration rate is affected by the________________?

   A. Pressure drop across the cake & filter medium
   B. Cake & filter medium resistance
   C. Area of filtering surface & the viscosity of filtrate
   D. All A., B. and C.

8. Mammalian kidney, under restricted water supply can conserve water by over ________ % reabsorption of glomerular filtrate

   A. 80.50%
   B. 90.50%
   C. 95.50%
   D. 99.50%

9. Glomerular capillary pressure differ from other capillaries of body in______________?

   A. Higher filtration pressure
   B. Lower filtration pressure
   C. Both of the above
   D. None

10. Major portion of glomerular filtrate is absorbed in__________________?

    A. Loop of Henle
    B. Distal convoluted tubule
    C. Collecting duct
    D. Proximal segment