pregnancy tests

• What is the role of monoclonal antibodies in pregnancy tests?

  They detect the hormone hCG in urine
• What hormone do pregnancy tests detect?

  Human chorionic gonadotropin (hCG)
• How do pregnancy tests indicate a positive result?

  The test strip turns blue
• What happens when a woman is not pregnant and uses the test?

  The urine washes the unfixed beads away
• How do the blue beads function in the pregnancy test?

  They carry hCG and bind to fixed antibodies
• What are the two parts of the test strip in a pregnancy test?

  • Right side: Fixed monoclonal antibodies specific to hCG
  • Left side: Free-moving blue beads covered in monoclonal antibodies
• What indicates a positive pregnancy test result?

  Two lines on the test strip
• Why is it important to read the instructions before using a pregnancy test?

  Different tests may work differently
• What would happen if a pregnant woman uses the test?

  The test strip will turn blue
• How does the presence of hCG affect the movement of blue beads in the test?

  hCG binds to beads, causing them to stick
• What is the significance of the second line in most pregnancy tests?

  • Acts as a control line
  • Confirms the test is working properly