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Questions and Answers
What is a result of progesterone actions on oestrogen primed cells?
What is an effect of testosterone on the body?
What is a result of oestrogen actions on the female reproductive system?
What is a regulatory action of testosterone?
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What is a determinative action of testosterone?
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Which of the following is a unique characteristic of cervical mucus under the influence of progesterone?
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Which of the following actions is NOT associated with testosterone?
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Which hormone is responsible for the growth and motility of myometrium?
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Which of the following is a metabolic effect of progesterone?
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Which hormone is responsible for the maintenance of the male internal genitalia?
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Study Notes
Actions of Progesterone
- Thickens endometrium into secretory form, preparing it for potential implantation of a fertilized egg
- Thickens myometrium, but reduces its motility, making it less likely to contract and expel an embryo
- Produces thick, acidic cervical mucus, creating a barrier to sperm penetration
- Induces changes in mammary tissue, preparing it for lactation
- Causes a slight increase in body temperature
- Metabolic changes, shifting from anabolic to catabolic, breaking down energy stores
- Electrolyte changes, affecting ion balance in the body
Actions of Testosterone
Determinative Actions
- Increases size and mass of muscles, vocal cords, and bones, contributing to masculine characteristics
- Deepens the voice, a secondary sex characteristic
- Promotes growth of facial and body hair, a secondary sex characteristic
- Increases stature, contributing to overall growth and development
- Stimulates growth of the penis, a primary sex characteristic
Regulatory Actions
- Maintains the male internal genitalia, including the prostate, seminal vesicles, vas deferens, and epididymis
- Has an anabolic metabolic action, promoting protein synthesis and muscle growth
- Influences behavioral effects, such as aggression and sexual activity
Actions of Oestrogen
- Regulates fallopian tube function, ensuring proper ovum transportation
- Thickens the endometrium, preparing it for a fertilized egg
- Stimulates growth and motility of myometrium, preparing the uterus for implantation
- Produces thin, alkaline cervical mucus, facilitating sperm penetration
- Induces vaginal changes, preparing it for sexual activity
- Affects skin, hair, and metabolism, contributing to feminine characteristics
- Regulates calcium metabolism, essential for bone health
Actions of Progesterone
- Thickens endometrium into secretory form, preparing it for potential implantation of a fertilized egg
- Thickens myometrium, but reduces its motility, making it less likely to contract and expel an embryo
- Produces thick, acidic cervical mucus, creating a barrier to sperm penetration
- Induces changes in mammary tissue, preparing it for lactation
- Causes a slight increase in body temperature
- Metabolic changes, shifting from anabolic to catabolic, breaking down energy stores
- Electrolyte changes, affecting ion balance in the body
Actions of Testosterone
Determinative Actions
- Increases size and mass of muscles, vocal cords, and bones, contributing to masculine characteristics
- Deepens the voice, a secondary sex characteristic
- Promotes growth of facial and body hair, a secondary sex characteristic
- Increases stature, contributing to overall growth and development
- Stimulates growth of the penis, a primary sex characteristic
Regulatory Actions
- Maintains the male internal genitalia, including the prostate, seminal vesicles, vas deferens, and epididymis
- Has an anabolic metabolic action, promoting protein synthesis and muscle growth
- Influences behavioral effects, such as aggression and sexual activity
Actions of Oestrogen
- Regulates fallopian tube function, ensuring proper ovum transportation
- Thickens the endometrium, preparing it for a fertilized egg
- Stimulates growth and motility of myometrium, preparing the uterus for implantation
- Produces thin, alkaline cervical mucus, facilitating sperm penetration
- Induces vaginal changes, preparing it for sexual activity
- Affects skin, hair, and metabolism, contributing to feminine characteristics
- Regulates calcium metabolism, essential for bone health
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Description
This quiz covers the actions of progesterone and testosterone in the human body, including effects on endometrium, myometrium, cervical mucus, mammary tissue, and more.
