Urinary System Review

Where are the kidneys located?

• In the chest

• In the lower abdomen

• Behind the stomach

• In the back, on either side of the spine

What is the anatomy of a kidney?

• The kidney is made up of over one million nephrons that filter blood and produce urine.

• The kidney is primarily composed of muscle tissue.

• The kidney is a collection of glands that secrete various substances.

• The kidney consists of a single, large filtration chamber.

How is urine collected in the kidneys?

• Through the filtration of blood in the glomerulus

• By absorbing water from the large intestine

• Through the secretion of hormones

• By the breakdown of muscle tissue

How does blood flow through the kidney?

• Through the renal artery into the nephrons

• Directly into the nephrons without filtration

• From the bladder through the ureters

• Only through the renal vein

Which of the following best summarizes the kidney's structure and function?

• A pair of bean-shaped organs that filter blood and produce urine.

• A single organ responsible for producing hormones.

• Two organs located in the chest that assist in breathing.

• A complex system of tubes responsible for transporting blood.

Where are the nephrons found? The functional unit of the kidney is a nephron ___, which is a long tubular structure and associated blood ___.

• cell, capillaries

• unit, vessels

• section, veins

• segment, arteries

Most nephrons are found in the renal ___, but some also extend into the ___.

• cortex, medulla

• medulla, cortex

• pelvis, ureter

• ureter, pelvis

Each kidney contains about ___ million nephrons.

• 1

• 5

• 10

• 20

What is the anatomy of a nephron? Each nephron has two major portions: Renal ___ and Renal ___.

• Cortex and Medulla

• Medulla and Pelvis

• Corpuscle and Tubule

• Pelvis and Capsule

How is urine formed? Urine is formed within the nephron using 3 major processes: ___ filtration, Tubular ___ and Tubular ___.

• Glomerular filtration, Tubular reabsorption, Tubular secretion

• Renal filtration, Tubular absorption, Tubular excretion

• Glomerular absorption, Tubular filtration, Tubular reabsorption

• Renal secretion, Tubular filtration, Tubular absorption