Excretory System Practice Test

What role does the bladder play in the excretory system?

• Filtration

• Storage of urine

• Reabsorption

• Secretion

What is the primary organ responsible for excretion in the human body?

• Liver

• Kidneys

• Lungs

• Heart

The release of excess salts and water through sweat glands is a form of excretion associated with which organ?

• Stomach

• Liver

• Lungs

• Skin

The process of urine formation involves which three main steps?

• Filtration, reabsorption, and secretion

• Osmosis, diffusion, and absorption

• Digestion, absorption, and elimination

• Respiration, circulation, and excretion

What condition is characterized by bacterial infections in any part of the urinary tract?

• Kidney Failure

• Kidney Stone

• Incontinence

• Urinary Tract Infection

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

• Glomerulus

• Nephron

• Proximal Convoluted Tubule

• Distal Convoluted Tubule

The process of filtration in the kidneys occurs in which structure?

• Bowman’s capsule

• Glomerulus

• Collecting duct

• Loop of Henle

Which structure connects each kidney to the bladder and transports urine?

• Urethra

• Ureter

• Urinary Bladder

• Renal artery

Which of the following is NOT a function of the excretory system?

• Regulation of blood pressure

• Elimination of metabolic waste

• Production of digestive enzymes

• Maintenance of water and salt balance

Which hormone regulates the water reabsorption in the kidneys?

• Insulin

• Estrogen

• Anti-Diuretic Hormone (ADH)

• Pepsin