Reproductive System

    Reproductive System
    Select one INCORRECT statement from the following:
    Spermatogenesis results in the production of four sperm, but oogenesis results in the production of one ovum.
    Author: rikazzz Comment
    Reproductive System
    Ovulation in the female follows which of the listed hormonal stimuli?
    When the release of LH from anterior pituitary gland rises suddenly to three times its previous level (in response to a gradual rise in GnRH concentration to a maximum), ovulation is induced.
    Author: rikazzz Comment
    Reproductive System
    If a cell is said to be “haploid”, what is meant?
    Haploid is the term used when a cell has half the usual number of chromosomes. Diploid means the cell has “2n” chromosomes, that is, two of each chromosome.
    Author: rikazzz Comment
    Reproductive System
    The menstrual cycle can be divided into three phases. Starting from day 1 of menstruation, which of the following orders are the phases in?
    Starts with menstruation and ends with secretory when the endometrium is mature.
    Author: rikazzz Comment
    Reproductive System
    From which source does the majority of the volume of a male ejaculation come?
    The seminal vesicles provide about 60% of ejaculate volume.
    Author: rikazzz Comment
    Reproductive System
    What hormone is released by the corpus luteum in the greatest quantity?
    The corpus luteum releases progesterone which prepares the uterus for pregnancy (and causes the number of peg cells to increase).
    Author: rikazzz Comment
    Reproductive System
    What is the result of meiosis in males? The production of:
    Meiosis results in four haploid cells being produced. Sperm in the male.
    Author: rikazzz Comment
    Reproductive System
    In the sequence of events known as the ovarian cycle, which of the following does NOT occur?
    The corpus luteum (not the follicle) produces progesterone.
    Author: rikazzz Comment
    Reproductive System
    What are the phases of the ovarian cycle?
    The ovarian cycle is separated into follicular phase and luteal phase by ovulation.
    Author: rikazzz Comment
    Reproductive System
    What does gonadotropin-releasing hormone (GnRH) do?
    GnRH stimulates the ant pit to release both LH and FSH, which are two gonadotropins. They act on the gonads and control gamete and sex hormone production.
    Author: rikazzz Comment