Y11 - Kidneys & Dialysis

What is the tissue region labelled B called?

• pelvis

• cortex

• medulla

• capsule

What is the tissue region labelled C called?

• medulla

• cortex

• pelvis

• capsule

Structure C is known as the...

• PCT

• Bowman's capsule

• Glomerulus

• DCT

What part of the urinary system is indicated by the arrow?

(a)  

Identify the molecule not filtered from the blood by ultrafiltration (a)  

• Protein
• Urea
• Glucose
• Sodium ions

How much of the glucose filtered from the blood is reabsorbed by the kidney?

• 0.1%

• 1%

• 10%

• 100%

State the nitrogenous compound excreted by the kidney

(a)  

Before the kidney filter it out, where does urea exist?

• In your intestines
• In your liver
• In your stomach
• In your bloodstream

Homeostasis is...

• the maintenance of a constant internal environment.

• the process by which metabolic waste and other substances are removed from the body.

• The process by which living organisms take in materials necessary for growth and energy.

• The chemical reactions that take place inside cells and release energy from the breakdown of nutrients.

You have two kidneys, one on each side of your abdomen. What is the second kidney for?

• To signal your first kidney to rid the body of excess waste

• Essentially, it is a "spare tire"

• It produces half the hormones your body needs

• None of the above