Q1. Which part of the nephron receives blood from the afferent arteriole?A. Loop of HenleB. Bowman’s capsuleC. GlomerulusD. Collecting duct
Q2. Which nitrogenous waste is least toxic and requires the least amount of water for excretion?A. AmmoniaB. UreaC. Uric acidD. Creatinine
Q3. Which of the following excretory products is eliminated through sweat glands?A. Bile pigmentsB. UreaC. Carbon dioxideD. Glucose
Q4. What is the primary role of Malpighian tubules?A. Excretion in insectsB. Blood circulation in annelidsC. Oxygen transport in mammalsD. Enzyme secretion in digestion
Q5. Which part of the nephron is responsible for the maximum reabsorption of essential nutrients and water?A. Distal convoluted tubuleB. Proximal convoluted tubuleC. Collecting ductD. Loop of Henle
Q6. Which of the following conditions results from the crystallization of salts in the kidney?A. UremiaB. Diabetes insipidusC. Renal calculiD. Glomerulonephritis
Q7. Which of the following statements about the distal convoluted tubule (DCT) is correct?A. The DCT is involved in sodium and potassium regulation.B. The DCT is responsible for the initial filtration of blood.C. The DCT does not participate in acid-base balance.D. The DCT reabsorbs all glucose from the filtrate.
Q8. Which of the following statements is true about uremia?A. It is caused by excessive glucose in the bloodB. It is due to kidney failure leading to accumulation of urea in bloodC. It is a disorder related to excess uric acid crystalsD. It is caused by inflammation of the glomerulus
Q9. Which structure in the nephron helps regulate glomerular filtration rate (GFR)?A. Loop of HenleB. Proximal convoluted tubuleC. Juxta glomerular apparatus (JGA)D. Collecting duct
Q10. Which of the following conditions results from the inability of the kidney to filter blood properly?A. Diabetes insipidusB. UremiaC. JaundiceD. Gout