Moderate

IgG antibodies have a half-life of approximately_______________?

Correct answer: D. 1 Month

  • A. 1 hour
  • B. 1 day
  • C. 1 week
  • D. 1 Month

Explanation

IgG has an average half-life of about 21 to 23 days, which is approximately one month among the given choices. This is the longest persistence of the major immunoglobulin classes in circulation.

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