subject

Excretory System

Biology ⇒ Human Biology

Excretory System starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Excretory System. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
A patient’s urine sample shows high levels of ketone bodies. What could this indicate?
Describe the process of dialysis and its importance for patients with kidney failure.
Describe the process of selective reabsorption in the nephron.
Describe the role of the liver in excretion.
Explain the difference between excretion and egestion.
Explain the role of the kidneys in maintaining acid-base balance in the body.
Explain the significance of the countercurrent mechanism in the loop of Henle.
A patient’s urine sample shows high levels of ketone bodies. What could this indicate?
Which hormone regulates the reabsorption of water in the kidneys? (1) Insulin (2) Antidiuretic hormone (ADH) (3) Adrenaline (4) Thyroxine
Which of the following is a symptom of kidney failure? (1) Increased urine output (2) Accumulation of urea in blood (3) Decreased blood pressure (4) Increased appetite
Which of the following is a waste product of protein metabolism? (1) Urea (2) Glucose (3) Oxygen (4) Carbon dioxide
Which of the following is NOT a component of the renal corpuscle? (1) Glomerulus (2) Bowman’s capsule (3) Loop of Henle (4) Afferent arteriole
The cup-shaped structure that surrounds the glomerulus is called ________.
The functional unit of the kidney is called the ________.
The hormone aldosterone increases the reabsorption of ________ ions in the distal convoluted tubule.
The outer region of the kidney is called the ________.
True or False: Creatinine is a waste product formed from the breakdown of creatine phosphate in muscles.
True or False: The collecting duct is impermeable to water in the absence of ADH.
True or False: The renal artery carries deoxygenated blood to the kidney.
True or False: The urinary bladder is lined with transitional epithelium to allow stretching.