Tubular reabsorption & secretion MCQ 16+

Test your knowledge with important Tubular reabsorption & secretion MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 46+ more Tubular reabsorption & secretion MCQs on Bissoy. Bissoy App

• K+ secretion by renal tubules is stimulated by
  ক

  Aldosterone

  খ

  Increased distal tubular flow rate

  গ

  Hypernatremia

  ঘ

  Hypokalemia

  ঙ

  Acidosis
• Renal tubule normally reabsorbs
  ক

  Above 99% of glomerular filtrate

  খ

  All filtered bicarbonate in respiratory acidosis

  গ

  All filtered plasma proteins

  ঘ

  All fitered creatinine

  ঙ

  More potassium than chloride
• Thin segment of loop of Henle is highly permeable to
  ক

  Water

  খ

  Sodium

  গ

  Urea [Moderately permeable]

  ঘ

  Glucose

  ঙ

  Amino acid
• Na+ can be transported across the luminal membrane of the renal tubular cells by
  ক

  Counter transport with H+

  খ

  Cotransport with glucose

  গ

  Passive diffusion through sodium channels

  ঘ

  Sodium potassium ATPase system

  ঙ

  Counter transport with Ca++
• Na+ can be transported across the luminal membrane of proximal convolated tubule by
  ক

  Counter transport with H+

  খ

  Co-transport with organic solutes

  গ

  Through sodium channels

  ঘ

  Na+-K+ ATP ase system

  ঙ

  Co-transport with CI-
• Na+ can be reabsorbed across the luminal membrane of proximal convoluted tubule by
  ক

  Co-Transport with glucose

  খ

  Co-Transport with amino acid

  গ

  Counter transport with H+

  ঘ

  Co-transport with K+

  ঙ

  Co-transport with CI-
• The cells of the distal convoluted tubule
  ক

  Contain main target cells for ADH

  খ

  Form NH4+ ions

  গ

  Reabsorb most of the potassium ions from the glomerular filtrate

  ঘ

  Reabsorb most of the chloride ions from the glomerular filtrate

  ঙ

  Reabsorb potassium ions in exchange for hydrogen ions
• Substances that are freely filtered but not reabsorbed by the kidney are
  ক

  Creatinine

  খ

  Inulin

  গ

  Urea

  ঘ

  Glucose

  ঙ

  Bicarbonate
• Substances actively secreted from renal tubules are
  ক

  Creatinine

  খ

  Urate

  গ

  PAH

  ঘ

  Lactate

  ঙ

  Glucose
• The late distal convoluted tubules of kidney
  ক

  Secrete H+ into tubular lumen

  খ

  Form NH4+ ion

  গ

  Reabsorb Na+ in exchange of K+

  ঘ

  Reabsorb urea

  ঙ

  Determine the final composition of urine
• The primary function of ascending limb of loop of Henle of kidney are
  ক

  Active reabsorption of sodium

  খ

  Active reabsorption of chloride

  গ

  Active reabsorption of potassium

  ঘ

  Passive reabsorption of water

  ঙ

  Passive reabsorption of urea
• Sodium reabsorption occurs
  ক

  Aldosterone helps in reabsorption in distal tubule

  খ

  30% in proximal tubule

  গ

  10% in distal convoluted tubule

  ঘ

  60% in loop of Henle

  ঙ

  Amiloride mediate reabsorption in collecting ducts
• Renal medullary hyperosmolarity is created by
  ক

  Active transport of Na+ from thick segment of ascending limb of loop of Henle

  খ

  Passive diffusion of urea from inner medullary collecting duct

  গ

  Active transport of Na+ from collecting duct

  ঘ

  Active transport of glucose from proximal convoluted tubule

  ঙ

  Active transport of HC03‘ from descending limb of loop of Henle
• Na+ can be transported across the luminal membrane of renal tubular cells by
  ক

  Co-transport with organic solutes

  খ

  Counter transport with H+

  গ

  Through Na+ channels

  ঘ

  Sodium potassium ATPase system

  ঙ

  Counter transport with Ca++