Excretory System

Question 1

What is the main function of the excretory system?

Answer 1

To remove waste and excess substances from the body

Question 2

Which organ is responsible for filtering waste from the blood in the excretory system?

Answer 2

Kidneys

Question 3

True or False: The skin plays a role in the excretory system by eliminating waste through sweat.

Answer 3

True

Question 4

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

Answer 4

Nephron

Question 5

Which hormone regulates water reabsorption in the kidneys?

Answer 5

Antidiuretic hormone (ADH)

Question 6

What is the term for the process of removing metabolic waste from the body in the form of urine?

Answer 6

Excretion

Question 7

Which structure connects the kidneys to the bladder?

Answer 7

Ureters

Question 8

What is the name of the tube through which urine is expelled from the body?

Answer 8

Urethra

Question 9

Which organ in the excretory system stores urine until it is ready to be expelled?

Answer 9

Bladder

Question 10

What is the term for the process of removing waste through the digestive tract?

Answer 10

Defecation

Question 11

Which ion is regulated by the kidneys to maintain electrolyte balance?

Answer 11

Sodium (Na+)

Question 12

True or False: The liver plays a role in the excretory system by breaking down toxins and producing bile.

Answer 12

True

Question 13

What is the name of the process by which ammonia is converted into urea in the liver?

Answer 13

Urea cycle

Question 14

Which structure in the nephron is responsible for reabsorbing water and nutrients back into the blood?

Answer 14

Proximal convoluted tubule

Question 15

What is the name of the hormone produced by the kidneys that stimulates red blood cell production?

Answer 15

Erythropoietin

Question 16

Which part of the brain regulates thirst and water balance to influence kidney function?

Answer 16

Hypothalamus

Question 17

What is the term for the process of removing waste through the respiratory system?

Answer 17

Exhalation

Question 18

Which type of waste is primarily eliminated through the lungs?

Answer 18

Carbon dioxide (CO2)

Question 19

True or False: The excretory system is responsible for maintaining acid-base balance in the body.

Answer 19

True

Question 20

What is the medical term for the condition of excessive accumulation of waste products in the blood?

Answer 20

Uremia

Question 21

Which gland produces aldosterone, a hormone that regulates sodium and potassium levels in the body?

Answer 21

Adrenal gland

Question 22

What is the name of the blood vessel that carries blood to the kidneys for filtration?

Answer 22

Renal artery

Question 23

Which substance is the primary waste product of protein metabolism excreted by the kidneys?

Answer 23

Urea

Question 24

True or False: The excretory system plays a role in maintaining blood pressure by regulating fluid balance.

Answer 24

True

Question 25

Nitrogenous wastes are mainly made up of which 3 components

Answer 25

Ammonia, Urea, Uric acid

Question 26

Ammonatelic animals secret what as their excretory product

Answer 26

Ammonia as waste

Question 27

which animal requires :
⇒ large amount of water for excretion
⇒ less Water for excretion
⇒ almost no Water

Answer 27

⇒ Ammonatelic animals
⇒ ureatelic animals
⇒ uricatelic (uric acid)

Question 28

urea in humans in produced in which organ

Answer 28

Liver

Question 29

due to excess Uricacid in humans what disease is caused

Answer 29

Gout