2nd Year Biology Chapter 2 TestHUMAN URINARY SYSTEM

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. The ureters are tubes that transport urine from the kidneys to the bladder and are approximately how long?

   1. 5 cm

   2. 15 cm

   3. 25 cm

   4. 50 cm

2. Which type of nephron makes up the majority (about 85%) of nephrons in the kidney?

   1. Juxtamedullary nephrons

   2. Cortical nephrons

   3. Medullary nephrons

   4. Papillary nephrons

3. The efferent arteriole branches to form a dense network around the proximal and distal convoluted tubules called:

   1. Vasa recta

   2. Peritubular capillaries

   3. Glomerular beds

   4. Renal venules

4. The renal corpuscle is made up of which two structures?

   1. Loop of Henle and collecting duct

   2. Glomerulus and Bowman's capsule

   3. Proximal and distal convoluted tubules

   4. Renal artery and renal vein

5. Which part of the loop of Henle is completely impermeable to water but actively transports salts out?

   1. Descending limb

   2. Ascending limb

   3. Hairpin turn

   4. Cortical junction

6. In normal conditions, which one is completely reabsorbed from renal tubule into blood?

   1. Urea

   2. Water

   3. Salts

   4. Glucose

7. Which form of kidney failure develops over a long period of time and is irreversible?

   1. Acute kidney failure

   2. Metabolic kidney failure

   3. Chronic kidney failure

   4. Anhydrobiosis failure

8. In Extracorporeal Shockwave Lithotripsy (ECSWL), what is the name of the instrument that generates shockwaves?

   1. Catheter

   2. Lithotripter

   3. Dialyzer

   4. Stethoscope

9. Which membrane is used as a natural filter during peritoneal dialysis?

   1. Pleural membrane

   2. Peritoneal membrane

   3. Mucous membrane

   4. Cellulose membrane

10. What are the functional units of the kidney called?

    1. Neurons

    2. Nephrons

    3. Alveoli

    4. Ureters