Excretory Products

Question 1

What are the three examples?

Answer 1

• Pregnancy Tests
• Anabolic Steroids
• Recreational Drugs

Question 2

How does a pregnancy test kit work?

Answer 2

• Test urine for HUMAN CHRONIC GONADOTROPIN (hCG)
• Very small hormone (protein) moves into filtrate during during ultrafiltration
• Monoclonal antibodies on a test stick.
  have a marked dye attached
• hCG diffuses to complementary antibodies
• Moves along test strip -> attached to another (fixed) antibody

Question 3

How do recreational drugs work?

Answer 3

• Employees test staff
  e.g. operating machinery
• Test urine with a test stick/strip like hCG

Question 4

How do anabolic steroids work?

Answer 4

• Atheletes are tested for performance enhancing e.g testosterone/EPO/HGH
• can cause dangerous side effects e.g. Liver failure
• urine tested
• analyse the molecule mass compounds
  e.g. mass spectronmetry
• molecules have a specific finger print