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Multiple Choice
Which of the following structures is the site where fertilization most commonly occurs in the female reproductive tract?
A
Vagina
B
Uterine (fallopian) tube
C
Ovary
D
Uterus
Verified step by step guidance
1
Understand the process of fertilization: Fertilization occurs when a sperm cell successfully meets and fuses with an egg cell (oocyte) to form a zygote. This process typically happens within the female reproductive tract.
Review the anatomy of the female reproductive system: The key structures involved in reproduction include the vagina, uterus, uterine (fallopian) tubes, and ovaries. Each structure has a specific role in the reproductive process.
Identify the function of the uterine (fallopian) tubes: The uterine tubes are responsible for transporting the egg from the ovary to the uterus. They are lined with ciliated cells that help move the egg and are the most common site for fertilization because sperm and egg meet here after ovulation.
Clarify why fertilization does not occur in other structures: The vagina is primarily a passageway for sperm to enter the reproductive tract, the uterus is where the fertilized egg implants and develops, and the ovary is where eggs are produced but not fertilized.
Conclude that the uterine (fallopian) tube is the correct answer: Based on the anatomy and physiology of the female reproductive system, fertilization most commonly occurs in the uterine (fallopian) tube.