Which of the following substances helps to concentrate urine?
Correct answer: B. ADH
- A. Aldosterone
- B. ADH
- C. Glucosterone
- D. Thyroxin
Explanation
Antidiuretic hormone (ADH)is a chemical produced in the brain that causes the kidneys to release less water, decreasing the amount of urine produced. If less urine is produced, then the content of the urine becomes more concentrated.
Last updated
About Kidney and Urinary System
The kidney and urinary system remove nitrogenous wastes, regulate water and ion balance, and help maintain blood pH through filtration, selective reabsorption and secretion. Questions cover nephron structure, ultrafiltration, the loop of Henle, collecting ducts, urine formation and the roles of ADH and aldosterone, while distinguishing excretion from egestion.
Practise Homeostasis
698 free Homeostasis MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
A central cavity of the kidney where urine is collected after filtration is known as:
A condition of excessive thirst due to diabetes is called:
A dangerous fall in core body temperature below about 35 degrees Celsius is called
A desert mammal can produce very concentrated urine because it has
A dog cools itself by panting because