Q1. Because of the huge deal of active transport which takes place here, the _________ of all the nephrons collectively account for around 6% of one's daily resting ATP and caloric consumption.

A. Proximal convoluted tubules
B. Distal convoluted tubules
C. Loops of Henle
D. Collecting ducts
E. Glomeruli

Q2. Normal urine from a healthy person can be expected to have all of the given except:

A. Creatinine
B. Urobilin
C. Glucose
D. Ammonia
E. Magnesium

Q3. PCTs are accountable for reabsorbing all of the given except:

A. Potassium.
B. Sodium chloride.
C. Hydrogen ions.
D. Urea.
E. Water.

Q4. The main purpose of the counter-current exchange system is:

A. To supply salt and urea to renal medulla.
B. To supply nutrients and oxygen to the renal cortex.
C. To supply nutrients and oxygen to renal medulla.
D. To eradicate metabolic wastes from the renal cortex.
E. To eradicate metabolic wastes from the renal medulla.

Q5. A single lobe of a kidney is included of:

A. Two calyces and a renal pelvis.
B. One pyramid and the overlying cortex.
C. One major calyx and all of its minor calyces.
D. A renal medulla and two renal columns.
E. One collecting duct and all nephrons which drain to it.