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1) A depression near the center of the concave area of the kidney is called a. nephron b. renal pelvis c. renal medulla d. hilus
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2) In plants, the extra water is removed with the help of a. transpiration b. respiration c. osmosis d. diffusion
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3) In human kidneys, the functional unit of the kidneys is also classified as a. nephron b. neuron c. neutron d. all of above
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4) The outer, dark red part of the kidney is called a. renal cortex b. renal medulla c. renal pelvis d. renal pyramid
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5) Blood enters the kidney through a. glomerulus b. renal vein c. renal artery d. afferent arteriole
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6) The area of the kidney through which ureter and other structures enter and leave kidney is called a. renal pelvis b. renal medulla c. hilus d. nephron
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7) Considering the human skin, the inner layer that contains sweating glands, blood vessels, fat cells, and sensory nerve endings is classified as a. epithelial b. epidermis c. dermis d. epidermal
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8) In humans urinary systems, the kidneys are protected by a. last two ribs b. last four ribs c. last six ribs d. last eight ribs
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9) Papillary ducts drain into a. renal pelvis b. collecting ducts c. renal corpuscle d. renal pyramid
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10) The method of the removal of kidney stones in which non-electrical shock waves are bombarded on stones is classified as a. angioplasty b. lithotripsy c. endoscopy d. angiography
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11) The outer part of the kidney which is dark red is known as a. renal cortex b. renal medulla c. renal vein d. renal cavity
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12) The capillaries of the glomerulus arise from a. efferent arteriole b. afferent arteriole c. renal artery d. bowman's capsule
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13) The inner part of the kidney which is pale red is known as a. renal cortex b. renal medulla c. renal vein d. renal cavity
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14) A method for removal of kidney stones in which non-electrical shock waves are used is called a. laser treatment b. peritoneal dialysis c. lithotripsy d. hemodialysis
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15) Excretory products in trees are removed during a. diffusion b. osmosis c. leaf fall d. transpiration
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16) A cup-shaped structure that encloses glomerulus is called a. loop of Henle b. papillary ducts c. bowman's capsule d. renal tubule
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17) In plants, the carbon dioxide CO2 is removed from the tissue cells at the night time with the help of a process called a. diffusion b. osmosis c. fission d. binary fission
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18) Considering the normal urine composition, the urea content is a. 7.7g/l b. 8.7g/l c. 9.3g/l d. 10.2g/l
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19) Considering the concave shape of kidneys, the concave side of kidneys faces a. renal cavity b. abdominal cavity c. buccal cavity d. vertebral column
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20) The limit of the normal pH of the blood is a. 7.25 to 8.15 b. 7.35 to 7.45 c. 7.45 to 8.45 d. 6.35 to 7.35
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