Urinary System

What is the major function of the kidneys?

• Pumping blood

• Producing hormones

• Filtering the blood and regulating nutrients

• Digesting food

What process removes toxins from the body?

• Digestion

• Urination

• Respiration

• Perspiration

Which structure is NOT part of the urinary system?

• Bladder

• Kidneys

• Urethra

• Liver

What converts nitrogen from amino acids into urea?

• Heart

• Liver

• Kidneys

• Lungs

What is the structural and functional unit of the kidney?

• Renal tubule

• Renal corpuscle

• Nephron

• Glomerulus

What does the renal corpuscle consist of?

• Proximal and distal convoluted tubules

• Glomerulus and Bowman's capsule

• Renal artery and vein

• Nephron loop and collecting ducts

What is the first step in nephron function?

• Tubular secretion

• Glomerular filtration

• Urine excretion

• Tubular reabsorption

How is the glomerular filtration rate controlled intrinsically?

• Via the endocrine system

• Myogenic mechanism and tubuloglomerular feedback loop

• Through the respiratory system

• By the nervous system

What transports urine from the kidneys to the bladder?

• Renal vein

• Urethra

• Ureters

• Renal artery

Which part of the nephron is responsible for reabsorbing needed substances back into the blood?

• Renal corpuscle

• Collecting ducts

• Renal tubules

• Glomerulus