Urinary System

Question 1

What is the primary function of the urinary system?

Answer 1

To remove waste products from the blood and regulate water balance in the body.

Question 2

True or False: The kidneys are the main organs of the urinary system.

Answer 2

True

Question 3

What is the functional unit of the kidney responsible for filtering blood?

Answer 3

Nephron

Question 4

What hormone is produced by the kidneys to regulate blood pressure and red blood cell production?

Answer 4

Erythropoietin

Question 5

What is the tube that carries urine from the kidneys to the bladder?

Answer 5

Ureter

Question 6

Which part of the nephron reabsorbs water and essential nutrients back into the blood?

Answer 6

Proximal convoluted tubule

Question 7

What is the name of the process where the kidneys filter waste and excess substances from the blood?

Answer 7

Filtration

Question 8

What is the name of the hormone that regulates water reabsorption in the kidneys?

Answer 8

Antidiuretic hormone (ADH)

Question 9

Which structure in the kidney releases renin to regulate blood pressure?

Answer 9

Juxtaglomerular apparatus

Question 10

What is the functional unit of the kidney responsible for reabsorbing water and electrolytes?

Answer 10

Loop of Henle

Question 11

What is the main component of urine that gives it its yellow color?

Answer 11

Urochrome

Question 12

What is the term for the process of expelling urine from the bladder?

Answer 12

Micturition

Question 13

Which part of the nephron is responsible for secreting excess substances into the urine?

Answer 13

Distal convoluted tubule

Question 14

What is the triangular region in the bladder where the ureters and urethra connect?

Answer 14

Trigone

Question 15

True or False: The bladder is a muscular sac that stores urine until it is expelled from the body.

Answer 15

True

Question 16

Which part of the nephron is responsible for collecting urine and moving it to the renal pelvis?

Answer 16

Collecting duct

Question 17

What is the name of the hormone that regulates sodium and potassium reabsorption in the kidneys?

Answer 17

Aldosterone

Question 18

Which structure in the kidney releases erythropoietin to stimulate red blood cell production?

Answer 18

Peritubular capillaries

Question 19

What is the term for the process of returning filtered substances back into the blood in the kidneys?

Answer 19

Reabsorption

Question 20

What is the name of the condition where there is an excess of protein in the urine?

Answer 20

Proteinuria

Question 21

True or False: The renal pelvis is the innermost part of the kidney where urine is collected before entering the ureter.

Answer 21

True

Question 22

Which part of the nephron is responsible for the final concentration of urine?

Answer 22

Collecting duct

Question 23

What is the term for the process of moving substances from the blood into the nephron in the kidneys?

Answer 23

Secretion

Question 24

What is the average amount of urine produced by an adult in a day?

Answer 24

1-2 liters