Percentage of water in the chemical composition of urine is

  • 1
  • 0.95
  • 0.5
  • 0.6

Considering the human skin, the outer protective layer in which blood vessels are not present is classified as

  • epithelial
  • epidermis
  • dermis
  • epidermal

The salts, water, urea of blood and glucose which is passed out of glomerular capillaries into Bowman's capsule is classified as

  • proximal filtrate
  • papillary filtrate
  • glomerular filtrate
  • bowman's filtrate

The process in which metabolic wastes are to be eliminated from the body to maintain the balance of internal condition is called

  • thermoregulation
  • osmoregulation
  • binary fission
  • excretion

The regulation of water and salt content in body fluids and blood is classified as

  • osmoregulation
  • osmosis
  • diffusion
  • mineral fission

The reabsorption of water during urine formation is allowed by

  • descending limp of loop of Henle
  • ascending limp of loop of Henle
  • bowman's capsule
  • glomerulus

The prominent scientist who wrote a book based on kidney diseases is

  • ibn e sina
  • ibn ul Haithem
  • Abu Nasr al-Farabi
  • Abu al-Qasim al-Zahrawi

In renal corpuscle of the human kidneys, the cup-shaped structure in which glomerulus is enclosed is known as

  • bowman's capsule
  • glomerulus
  • distal convoluted tubule
  • proximal convoluted tubule

Considering the anatomy of human kidneys, the duct which is formed of many collecting ducts and ultimately drained into the renal pelvis is called

  • proximal duct
  • renal duct
  • papillary duct
  • collecting duct

During day time, the by-product of plants is

  • oxygen
  • carbon dioxide
  • nitrogen
  • hydrogen

In humans, the urine is produced when

  • urethra filters blood
  • kidneys filter blood
  • lungs inhale oxygen
  • lungs exhale co2

In body fluids, the fewer water causes concentrated urine also known as

  • hyper-hilus
  • hypotonic
  • hypertonic
  • hilus

In the urine formation second step selective re-absorption, the descending limb of the loop is responsible for reabsorption of

  • water
  • salts
  • white cells
  • red blood cells

The inner, pale red part of the kidney is called

  • renal cortex
  • renal medulla
  • renal pelvis
  • renal pyramid

The normal PH of blood is

  • 7.35-7.45
  • 3.35-3.45
  • 9.35-9.45
  • 2.35-2.45

The process of water removal in the form of vapors from the surface of plants is classified as

  • excretion
  • transpiration
  • transportation
  • guttation

Kidneys are protected by last

  • 2 ribs
  • 4 ribs
  • 6 ribs
  • 8 ribs

The last part of Renal tubule is

  • loop of Henle
  • renal corpuscle
  • proximal convoluted tubule
  • distal convoluted tubule

Considering the longitudinal section of kidneys, the two regions include

  • renal cortex only
  • renal medulla only
  • renal vein
  • renal cortex and medulla

The water content in the blood is regulated and maintained by

  • urinary bladder
  • pancreas
  • kidneys
  • lungs

In the urine formation second step selective re-absorption, the ascending limb of the loop is responsible for reabsorption of

  • white blood cells
  • red blood cells
  • water
  • salts

The major function of kidneys is

  • urine formation
  • oxidizing the blood
  • ionizing the blood
  • dialysis of blood

Considering the normal urine composition, the chloride ions content is

  • 4.2g/l
  • 1.87g/l
  • 2.5g/l
  • 3.6g/l

The coniferous trees remove waste materials through

  • resins
  • gums
  • latex
  • mucilage

The rubber plant removes waste material in the form of

  • resins
  • gums
  • latex
  • mucilage

The outer protective layer of the skin without blood vessels is called

  • dermis
  • hypodermis
  • epidermis
  • papillary region

The capillaries of the glomerulus join to form

  • afferent arteriole
  • renal artery
  • efferent arteriole
  • bowman's capsule

In each human kidney, the number of nephrons is over

  • three million
  • one million
  • two million
  • half million

In normal urine composition, the sodium ions content is

  • 2.27g/l
  • 1.17g/l
  • 3.2g/l
  • 3.6g/l

The steps in urine formation are

  • pressure filtration
  • selective re-absorption
  • tubular secretion
  • all of above
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