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Questions and Answers

What typically influences the way individuals treat themselves and others?

  • Genetic makeup (correct)
  • Personal beliefs
  • Socioeconomic status
  • Cultural background
  • What is the primary reproductive structure that begins to form around the 8th week of embryonic development?

  • Brain
  • Heart
  • Kidneys
  • Gonads (correct)
  • What condition can result from the failure of the testes to descend during fetal development?

  • Hernia
  • Agenesis
  • Phimosis
  • Cryptorchidism (correct)
  • Which term refers to individuals possessing both ovarian and testicular tissues?

    <p>Hermaphrodites</p> Signup and view all the answers

    What happens to males with an extra female sex chromosome?

    <p>They are sterile due to atrophy of their testes</p> Signup and view all the answers

    What is the result of having only one sex chromosome, specifically an XO configuration in females?

    <p>Absence of ovaries</p> Signup and view all the answers

    Phimosis is primarily caused by what condition?

    <p>Narrowing of the foreskin</p> Signup and view all the answers

    What is a potential risk factor associated with cryptorchidism if left untreated?

    <p>Development of testicular cancer</p> Signup and view all the answers

    What is the primary hormone responsible for male puberty?

    <p>Testosterone</p> Signup and view all the answers

    At what age do girls typically begin to experience visible signs of puberty?

    <p>11 years</p> Signup and view all the answers

    What characterizes the end of puberty in males?

    <p>Presence of mature semen</p> Signup and view all the answers

    What is menarche?

    <p>The first menstrual period</p> Signup and view all the answers

    What health risk increases for women after they reach menopause?

    <p>Cardiovascular disorders</p> Signup and view all the answers

    Which statement about aging men and their reproductive capabilities is true?

    <p>Healthy men can father offspring well into their 80s.</p> Signup and view all the answers

    What are erogenous zones?

    <p>Parts of the body that increase sexual arousal when touched</p> Signup and view all the answers

    What term describes the swelling of bodily tissues due to increased blood flow?

    <p>Vasocongestion</p> Signup and view all the answers

    At what stage of life does solitary behavior most commonly begin?

    <p>At or before puberty</p> Signup and view all the answers

    Who is more likely to perform acts of self-gratification?

    <p>Unmarried males</p> Signup and view all the answers

    What type of behavior is sociosexual behavior?

    <p>Sexual activity between two persons</p> Signup and view all the answers

    What is the main difference between petting and hugging?

    <p>Petting involves stimulation of the genitals</p> Signup and view all the answers

    How is coitus generally viewed in relation to marital status?

    <p>View varies based on marital status</p> Signup and view all the answers

    Which statement about marital coitus is most accurate?

    <p>It is accepted as an obligation in most societies</p> Signup and view all the answers

    What is true about extra-marital coitus?

    <p>Generally condemned, only allowed under certain conditions</p> Signup and view all the answers

    What is a common challenge regarding abstinence among sexually experienced individuals?

    <p>Difficulty in enforcing abstinence</p> Signup and view all the answers

    Study Notes

    Sexual Development

    • Sex chromosomes (XX - female; XY - male) and their secondary sexual characteristics define biological sex.
    • Gonads (testes or ovaries) start developing around the 8th week of embryonic development.
    • The development of accessory structures and external genitalia begins after the primary reproductive structures.
    • Hormonal imbalances during embryonic development can lead to abnormalities in sex characteristics.
    • True hermaphrodites have both ovarian and testicular tissues, a rare condition.
    • Pseudohermaphrodites have accessory reproductive structures that don't match their gonads.
    • Testes normally descend into the scrotum during the final month of pregnancy.
    • Failure of this descent can lead to cryptorchidism, a condition that can cause sterility and increase the risk of testicular cancer.
    • Males with an extra female sex chromosome (XXY) have normal accessory structures but can be sterile due to testicular atrophy.
    • Individuals with only one sex chromosome (XO - female; YO - male) have developmental issues, with YO embryos usually not surviving.
    • Other less serious conditions include phimosis (narrowed foreskin) and misplaced urethral opening.

    Puberty

    • Occurs between the ages of 10-15 years old.
    • Reproductive organs grow to adult size and become functional under the influence of gonadal hormones: testosterone in males and estrogen in females.
    • Reproductive capability continues until old age in males and menopause in females.
    • In males, puberty is marked by:
      • Increased reproductive organ size.
      • Appearance of pubic, axillary, and facial hair.
      • Presence of mature semen in the testes, signifying sexual maturation.
    • In females, puberty begins with breast budding around age 11.
    • Menarche, the first menstrual period, typically occurs two years after puberty starts.
    • Hormones regulate ovulation and fertility in females.

    Menopause

    • The period when females stop menstruating.
    • Occurs in the late 20s and marks the end of a woman's reproductive life.
    • Postmenopausal women are at increased risk for cardiovascular disorders.
    • There is no equivalent to menopause in males.
    • While testosterone production declines in aging males, their reproductive capability continues well into old age.

    Erogenous Zones

    • Parts of the body that are sensitive to touch and can lead to sexual arousal.
    • Commonly include: mouth, breasts, genitals, anus, neck, thighs, abdomen, and feet.

    Vasocongestion

    • Swelling of bodily tissues caused by increased blood flow and localized blood pressure elevation.

    Human Sexual Behavior

    • Any solitary or sociosexual activity that induces sexual arousal.

    Solitary Behavior

    • Involves self-gratification through self-stimulation, often leading to sexual climax.
    • Begins at or before puberty.
    • More common in young males and decreases or ceases with the availability of sociosexual activity.
    • Usually involves fantasies regarding idealized partners or activities, often different from real-life experiences.

    Sociosexual Behavior

    • Involves two or more individuals in sexual activity.
    • The most common type is heterosexual behavior between one male and one female.
    • Physical contact, including necking and petting, plays a role in courtship and partner selection.
    • Petting can range from hugging and kissing to stimulation of the genitals.
    • It can be an expression of affection, a source of pleasure, or a preliminary to coitus.

    Coitus

    • The insertion of the male reproductive structure into the female reproductive organ.
    • Social acceptance varies depending on the individuals' marital status.
    • Premarital coitus is typically tolerated, but not encouraged, in modern Western society, especially if marriage is intended.

    Marital Coitus

    • Coitus within marriage is often seen as an obligation and socially acceptable.

    Post-Marital Coitus

    • Coitus by separated, divorced, or widowed individuals.
    • Usually less scrutinized than other forms of coitus.

    Extra-Marital Coitus

    • Coitus between a married person and someone other than their spouse.
    • Generally condemned, but exceptions may exist depending on societal norms and the individuals involved.

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