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Reproduction Test - 4

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Reproduction Test - 4
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  • Question 1
    1 / -0

    The epididymis is a long, coiled tube that stores sperm and transports it from the testes. Which of the following cells of epididymis is/are regarded as the undifferentiated precursor of principal cells in human males?

    Solution

    Basal cells are the shorter, pyramid-shaped cells which contact the basal lamina but taper off before their apical surfaces reach the lumen.

     

  • Question 2
    1 / -0

    In mammals, the penis is a reproductive, intromittent organ that additionally serves as the urinal duct. Which of the following in a human male is the visible ridge between the lateral halves of the penis?

    Solution

    The raphe is the visible ridge between the lateral halves of the penis.

     

  • Question 3
    1 / -0

    An ultrasound examination does not provide any information about which of the following?

    Solution

    A genetic disorder is an illness caused by abnormalities in genes or chromosomes, especially before birth. To know the genetic causes of a variety of such diseases and for performing such tests, one needs fetal cells and these cells are obtained by invasive methods like aminocentesis, etc.

     

  • Question 4
    1 / -0

    After complete examination doctor told Anita that she is suffering from the most common pure germ cell tumor of the ovary. The doctor must be referring to which of the following?

    Solution

    Dysgerminomas are the most common malignant germ cell tumors, appraising for about 35% to 45% of all ovarian cancers of germ cell origin in females.

     

  • Question 5
    1 / -0

    Aman's mother is suffering from dysgerminoma of ovary. In this type of cancer which of the following tumor markers is likely to be raised?

    Solution

    Dysgerminomas produce placental alkaline phosphatase and lactate dehydrogenase, so their level rises. Serum lactate dehydrogenase is most often measured to check for tissue damage.

     

  • Question 6
    1 / -0

    During pregnancy, which of the following ligaments helps in maintaining the uterus in its position

    Solution

    The broad ligament serves as a mesentery for the uterus, ovaries and the uterine tubes. It helps in maintaining the uterus in its position.

     

  • Question 7
    1 / -0

    The fallopian tubes are symmetrically paired tubular organs that connect the peritoneal cavity to the endometrium. In which of the following parts of the fallopian tubes does fertilisation occur?

    Solution

    The ampulla is the second portion of the fallopian tube.

     

  • Question 8
    1 / -0

    An ectopic pregnancy, is a complication of pregnancy in which the embryo implants outside the uterus. The most common site for implantation in ectopic pregnancy is _________.

    Solution

    The most common site of ectopic implantation is the uterine tube. The growth of the embryo in this site usually causes rupture of the tube and severe hemorrhage in the mother. Abdominally, an ectopic pregnancy often occurs in the rectouterine pouch, an area between the uterus and the rectum.

     

  • Question 9
    1 / -0

    Blastocoele is the primordial, fluid-filled cavity inside the early forms of embryo. It leads to the formation of which of the following?

    Solution

    Around the 9th day, cells from the hypoblast spread around the blastocoele, forming the exocoelomic or Heuser's membrane. When the blastocoele is surrounded by this membrane, it is referred to as the primary yolk sac or exocoelomic cavity.

     

  • Question 10
    1 / -0

    Which of the following parts of the decidua serves as the outer layer of the foetal placenta?

    Solution

    The chorion laeve forms from the mural (abembryonic) pole of the embryo trophoblast.

     

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