5 Quick Review Questions For Chapter 12 (Mckinney)

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  • 1/5 Questions

    Which fetal circulatory structure carries blood with the highest oxygen concentration?

    • Umbilical artery
    • Umbilical vein
    • Ductus arteriosus
    • Pulmonary vein
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About This Quiz

This quiz, titled '5 Quick Review Questions for Chapter 12 (McKinney)', assesses key knowledge about human reproductive anatomy and fetal development, including seminal fluid functions, fertilization, embryo implantation, fetal circulation, and anemia implications.

Fetal Development Quizzes & Trivia

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  • 2. 

    N important purpose of seminal fluid is to 

    • Digest microorganisms in the female digestive tract.

    • Prevent premature movement of sperm tails.

    • Protect sperm from the acidic vaginal environment

    • Transport the sperm into the uterine cavity

    Correct Answer
    A. Protect sperm from the acidic vaginal environment
    Explanation
    Seminal fluid plays a crucial role in protecting sperm from the acidic environment of the vagina. The vagina has a naturally acidic pH, which can be harmful to sperm and reduce their viability. The seminal fluid, which is alkaline in nature, helps to neutralize the acidic environment and create a more favorable condition for the sperm to survive and swim towards the egg. This protective function of seminal fluid increases the chances of successful fertilization and enhances the overall reproductive process.

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  • 3. 

    The embryo is fully implanted in the uterus on which day after conception?

    • 3

    • 6

    • 10

    • 15

    Correct Answer
    A. 10
    Explanation
    The embryo is fully implanted in the uterus on the 10th day after conception. This is the time when the embryo attaches itself to the lining of the uterus, which is essential for its development and growth. Implantation occurs after the fertilized egg travels through the fallopian tube and reaches the uterus. Once implanted, the embryo receives nutrients and oxygen from the mother's body, allowing it to continue developing into a fetus.

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  • 4. 

    Fertilization is complete when

    • Fusion of the sperm and ovum nuclei occurs.

    • A sperm enters the ovum in the fallopian tube.

    • The fertilized ovum has its first cell division.

    • The morula fully implants into the uterine lining.

    Correct Answer
    A. Fusion of the sperm and ovum nuclei occurs.
    Explanation
    Fertilization is complete when the sperm and ovum nuclei fuse together. This is the moment when the genetic material from both the sperm and the ovum combine to form a new individual with a unique set of genes. The fusion of the nuclei is a crucial step in the process of fertilization, as it marks the beginning of the development of a new organism.

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  • 5. 

    What is the significance of a fetal hemoglobin of 13 g/dL and a hematocrit of 39%?

    • Fetal blood is more likely to clot as it circulates through the placenta.

    • Greater transfer of carbohydrates will result in rapid fetal growth

    • Transfer of harmful substances from the mother to the fetus is lessened

    • Anemia reduces the oxygen-carrying capacity of the fetal blood

    Correct Answer
    A. Anemia reduces the oxygen-carrying capacity of the fetal blood
    Explanation
    A fetal hemoglobin level of 13 g/dL and a hematocrit of 39% indicate that the fetal blood has a lower than normal concentration of red blood cells and hemoglobin. Anemia is characterized by a decrease in the oxygen-carrying capacity of the blood, as red blood cells are responsible for transporting oxygen to the body's tissues. Therefore, in this case, the anemia reduces the ability of the fetal blood to carry oxygen, which can have detrimental effects on the developing fetus.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 16, 2010
    Quiz Created by
    Dagreenhoe
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