Questions and Answers
What is one of the external pubertal changes that typically occurs in girls?
Which internal structure is part of the male reproductive system?
Which of the following is NOT a typical pubertal change in boys?
What does spermatogenesis refer to?
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Which of the following changes does NOT occur in girls during puberty?
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At what point does spermatogenesis start occurring in males?
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Which stage of development is associated with growth spurts in boys?
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Which of the following structures is not part of the female reproductive system?
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Which of the following changes indicates the onset of puberty in females?
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What is a key physical change that occurs in boys during puberty?
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What method requires a couple to abstain from coitus on certain days of the menstrual cycle?
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When using the Coitus Interruptus method, what is a significant risk factor?
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How does the Basal Body Temperature (BBT) method predict ovulation?
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What can a woman do to calculate her fertile period?
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What is a major advantage of using vaginally-inserted spermicidal products?
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What condition makes the use of vaginally-inserted spermicidal products contraindicated?
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What is the term used for the onset of breast development in females?
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When does the formation of gonadal tissue begin during intrauterine life?
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Which duct becomes dominant if testosterone is not present by week 10 in chromosomal males?
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What is the primary androgenic hormone in males?
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At what ages does puberty typically begin with rising testosterone levels in males?
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Which of the following is NOT a characteristic influenced by androgenic hormones?
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What happens to the mesonephric duct under the influence of testosterone?
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What event marks the beginning of a woman's reproductive lifespan?
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Which of the following hormones are produced by the adrenal cortex in both females and males?
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What is the role of acinar cells in the breast?
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What does gender identity refer to?
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What is the purpose of lactiferous ducts?
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Which sexual aspect encompasses a person's physical, emotional, social, and intellectual responses throughout life?
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What term is used to describe biologic gender?
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What do Montgomery's tubercles provide?
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What does gender role refer to?
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What triggers the posterior pituitary gland to release oxytocin?
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What structures in the breast support lactation?
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Which statement about estrogen levels during the menstrual cycle is correct?
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What are some chronic diseases that can interfere with sexual activity?
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Which of the following methods for family planning does not introduce chemicals into the body?
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What may occur for individuals with an STI regarding sexual relations?
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What is a potential effect of administering testosterone to an individual?
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Which natural family planning method involves noticing changes in body temperature?
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Why might obese individuals experience challenges in sexual activity?
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Which method of contraception is specifically designed to avoid introducing foreign materials into the body?
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What is an advantage of Natural Methods of family planning?
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What does sexual abstinence during ovulation aim to prevent?
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Which method involves monitoring cervical mucus to determine fertility?
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Study Notes
Intrauterine Development
- Thelarche marks the onset of breast development in females, occurring 1-2 years prior to menstruation.
- Gonads are reproductive organs: ovaries in females and testes in males, initiated around week 5 of intrauterine life.
- By weeks 7-8, male gonadal tissue produces testosterone, leading to the development of male reproductive organs.
- Absence of testosterone by week 10 allows paramesonephric ducts (Müllerian ducts) to dominate, leading to female reproductive development.
- Testosterone levels are low in males until puberty (ages 12-14), when significant changes occur in sexual organs, body hair, and voice.
Male Reproductive System
- External structures include:
- Scrotum
- Testes
- Penis
- Internal structures include:
- Epididymis
- Vas deferens
- Seminal vesicles
- Prostate gland
- Bulbourethral glands
- Urethra
- Spermatogenesis begins at puberty and lasts about 75 days, producing sperm continuously post-puberty.
Female Reproductive System
- Begins with menarche and continues to menopause, typically spanning 35-40 years.
- Changes during puberty include:
- Growth spurt
- Pelvic widening
- Breast development
- Onset of menstruation
- Growth of pubic and axillary hair
- Internal breast structures comprise acinar cells for milk production, with lactiferous ducts transporting milk.
Human Sexuality
- Defined as a multidimensional phenomenon involving feelings, attitudes, and actions.
- Includes biological and cultural diversity, shaping a person's emotional, social, and intellectual responses.
Biologic and Gender Identity
- Biologic gender refers to chromosomal sex, male (XY) or female (XX).
- Gender identity is an individual's internal sense of being male or female, which may differ from their biologic gender.
- Gender roles indicate behaviors traditionally associated with being male or female.
Family Planning Methods
- Techniques include:
- Natural Methods: rely on identifying fertility cycles.
- Hormonal Methods: introduce hormones to prevent ovulation.
- Barrier Methods: physical barriers prevent sperm from reaching the ovum.
- Intrauterine Devices: prevent fertilization or implantation.
- Permanent Methods: surgical interventions for long-term contraception.
Specific Natural Methods
- Coitus Interruptus (Withdrawal): involves withdrawal before ejaculation to minimize pregnancy risk.
- Basal Body Temperature (BBT): tracks temperature changes to identify ovulation; a rise indicates impending ovulation.
- Cervical Mucus Method (Billings Method): involves observing cervical mucus changes to predict fertile days.
Barrier Methods
- Vaginally-inserted spermicides eliminate sperm before they enter the cervix.
- Advantages include minimal side effects compared to hormonal methods but are contraindicated in certain conditions like acute cervicitis.
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Description
Test your knowledge on intrauterine development and key hormonal changes during early life stages. This quiz covers topics such as the role of gonads and androgenic hormones in development. Perfect for anyone studying human development or reproductive biology.
