2nd Year Biology Chapter 4 Test04. Urinary System of Man

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

1. What percent of nephron enters medulla?
   1. nephron loop
   2. proximal convoluted tubule
   3. distal convoluted tubule
   4. papillary duct
2. The walls of the ………… are made more or less permeable to water, depending on the need to conserve water.
   1. ureter
   2. urethra
   3. fibrous capsule
   4. collecting duct
3. Kidneys function as:
   1. Excretory organs only
   2. Osmoregulatory organs only
   3. Both excretory and osmoregulatory organs
   4. Respiratory organs
4. Which animals are mostly ureotelic?
   1. Mammals and amphibians
   2. Reptiles and birds
   3. Most fishes
   4. Crustaceans
5. Artery passing blood to kidney is
   1. common iliac
   2. cystic
   3. renal
   4. coeliac
6. A drug reducing mitochondrial activity in kidney nephrons will increase amount of
   1. ammonia
   2. glucose
   3. uric acid
   4. urea
7. Functional unit of kidney cortex is
   1. calyces
   2. renal pyramids
   3. nephrons
   4. medulla
8. Which treatment uses shock waves to break kidney stones?
   1. Lithotripsy
   2. Hemodialysis
   3. Peritoneal dialysis
   4. Kidney transplant
9. Which of the following groups are mostly uricotelic?
   1. Fishes
   2. Mammals
   3. Birds and reptiles
   4. Amphibians
10. The functional unit of the kidney is:
    1. Bowman’s capsule
    2. Glomerulus
    3. Nephron
    4. Loop of Henle