The structure of the testis does not include A: White film B: Straight seminiferous tubules C: Seminiferous tubules D: output tubule

The efferent ductules of testis empty into the() . A: rete testis B: epididymis C: ductus deferens D: straight tubules E: seminiferous tubules

Which of the following are the excretory organs of insect? A: Malpighian tubules B: integument C: digestive tract D: tracheal system

The main mechanism of metabolic acidosis in the late stage of chronic renal failure is ( ) A: Decreased non-volatile acid excretion due to decreased CFR function B: Decreased excretion of H+ and ammonia production in renal tubules C: Decreased HCO3- reabsorption threshold in renal tubules D: Effects of hyperkalemia E: Increased lactic acid production

The functional excretory units in the kidneys of fishes are ( ). A: flame bulbs B: nephridia C: malpighian tubules D: green glands E: nephrons

Of<br/>the following, the one most closely associated with the efferent<br/>ducts of the testis is ____. A: mesonephric tubules B: mesonephric duct C: paramesonephric duct D: genital swellings E: urogenital sinus

What type of tissue composes the distal tubules A: Simple squamous epithelium B: Simple cuboidal epithelium C: Simple columnar epithelium D: Stratified squamous epithelium E: Transitional epithelium

Which<br/>is wrong about the structure of testis? () A: Thetunica<br/>albuginea is thickened on the posterior<br/>surface of<br/>testis to form mediastinum B: The<br/>fibrous septa from mediastinum<br/>penetrates radially the testis, dividing it into pyramidal lobules C: Each<br/>lobule is occupied by 1-4 seminiferous tubules D: Theseminiferous<br/>tubules go into mediastinum testis to form rete testis E: The tubulus<br/>rectus go into mediastinum testis to form rete testis

Drug metabolism usually results in a product that is A: more likely to distribute intracellularly B: less lipid soluble than the original drug C: more likely to be reabsorbed by kidney tubules D: more lipid soluble than the original drug E: more likely to produce adverse effects

The right descriptions about neuroregulation of urine formation are that () A: the renal innervation is controlled by sympathetic nerves B: the transmitter is NE C: NE acts on α receppor and afferent arterioles contract, so GFR↓ D: NE acts on β receppor in juxtaglomerular cells, so renin↑ E: reabsorption<br/>of NaCl and water in the proximal tubules and loop of Henle increase