A central cavity of the kidney where urine is collected after filtration is known as:
Correct answer: C. Pelvis
- A. Ureter
- B. Urethra
- C. Pelvis
- D. Urinary Bladder
Explanation
Explanation:The central cavity of the kidney is known as the renal pelvis. From here, urine enters the ureter and is carried to the bladder. This option is not correct because the ureter is a tube-like structure that carries urine from the kidneys to the bladder. This option is also incorrect because the urethra is a tube that carries urine from the bladder out of the body. This option is also incorrect because the urinary bladder is an expandable muscular sac that stores urine until it is expelled from the body through the urethra.
This question appeared on the UHS MDCAT 2009 paper, which you can sit online with every answer explained.
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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.
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