Q1. Which of the following is the primary excretory product of birds?A. AmmoniaB. UreaC. Uric acidD. Creatinine
Q2. Which of the following statements about the nephron is correct?A. The afferent arteriole carries blood away from the glomerulus.B. The Loop of Henle plays a crucial role in urine concentration.C. Glomerular filtration occurs in the distal convoluted tubule.D. The collecting duct is responsible for initial filtration.
Q3. Which of the following is NOT a function of the kidney?A. Regulation of blood pressureB. Excretion of nitrogenous wasteC. Secretion of insulinD. Regulation of pH balance
Q4. What is the approximate volume of blood filtered by the kidneys per minute?A. 500-600 mLB. 700-900 mLC. 1100-1200 mLD. 1500-1800 mL
Q5. Which part of the nephron plays a key role in maintaining acid-base balance?A. Proximal convoluted tubuleB. Loop of HenleC. Distal convoluted tubuleD. Glomerulus
Q6. Which of the following statements about the nephron is correct?A. The proximal convoluted tubule is primarily responsible for water reabsorption.B. The distal convoluted tubule is the main site of glucose reabsorption.C. The Loop of Henle plays a role in establishing an osmotic gradient.D. The collecting duct is responsible for glomerular filtration.
Q7. What is the role of the counter-current multiplier system in the kidney?A. Regulation of blood pressureB. Maintenance of pH balanceC. Concentration of urineD. Secretion of nitrogenous wastes
Q8. Which component is normally absent in the glomerular filtrate?A. GlucoseB. Amino acidsC. ProteinsD. Sodium ions
Q9. Which component of the nephron allows selective secretion of hydrogen ions to maintain pH balance?A. Proximal convoluted tubuleB. Distal convoluted tubuleC. Loop of HenleD. Glomerulus
Q10. The afferent arteriole in the nephron carries blood:A. Away from the glomerulusB. To the glomerulusC. To the renal pelvisD. To the urinary bladder