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Questions and Answers
Which of the following is NOT a function of testosterone?
Which of the following is NOT a function of testosterone?
- Regulation of sex differentiation
- Development of male sex characteristics
- Spermatogenesis
- Stimulation of the release of FSH (correct)
What is the name of the bone that contains the sella turcica?
What is the name of the bone that contains the sella turcica?
- Temporal Bone
- Occipital Bone
- Sphenoid Bone (correct)
- Parietal Bone
Which of the following hormones is responsible for water reabsorption in the kidneys?
Which of the following hormones is responsible for water reabsorption in the kidneys?
- Antidiuretic Hormone (ADH) (correct)
- Growth Hormone (GH)
- Adrenocorticotropic Hormone (ACTH)
- Thyroid-Stimulating Hormone (TSH)
Which of the following hormones is responsible for the development of egg cells?
Which of the following hormones is responsible for the development of egg cells?
Which of the following is NOT a phase of the menstrual cycle?
Which of the following is NOT a phase of the menstrual cycle?
Which of the following statements about estrogen is TRUE?
Which of the following statements about estrogen is TRUE?
What is the chemical formula for testosterone?
What is the chemical formula for testosterone?
What is the name of the process that refers to the onset of menstruation?
What is the name of the process that refers to the onset of menstruation?
Flashcards
What are hormones?
What are hormones?
A chemical messenger produced by the body that helps regulate various functions, like growth, metabolism, and reproduction.
What is the pituitary gland?
What is the pituitary gland?
A small gland located at the base of the brain, known as the "master gland" because it controls many other glands in the body.
What does Growth Hormone (GH) do?
What does Growth Hormone (GH) do?
This hormone is responsible for regulating growth and development, especially in childhood and adolescence.
What is the role of Luteinizing Hormone (LH) in females?
What is the role of Luteinizing Hormone (LH) in females?
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What is the function of Testosterone?
What is the function of Testosterone?
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What is menarche?
What is menarche?
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What is the function of Oxytocin?
What is the function of Oxytocin?
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During which phase of the menstrual cycle does ovulation occur?
During which phase of the menstrual cycle does ovulation occur?
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Study Notes
Hormones
Hormones are chemical messengers essential for homeostasis, including estrogen, progesterone, and testosterone. The pituitary gland, located in the brain, has anterior and posterior parts with distinct hormone functions, comprising the optic chiasm, hypothalamus, infundibulum, and sella turcica.
Key hormones include:
- Growth hormone (GH) - tissue growth
- Thyroid-stimulating hormone (TSH) - affects the thyroid
- Adrenocorticotropic hormone (ACTH) - affects the adrenal gland
- Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) - regulate reproductive organs
- Prolactin (PRL) - stimulates breast milk
- Oxytocin - aids uterine contractions
- Testosterone - key male hormone
- Estrogen - regulates reproductive system and menstrual cycle
Menstrual Cycle
The cycle consists of: Menstruation (3-7 days), Follicular Phase (follicle development), Ovulation (egg release), and Luteal Phase (maintains uterine lining).
Key Terms
- Menstruation - shedding of uterine lining
- Menarche - onset of menstruation (ages 11-15)
- Menopause - cessation of menstruation (ages 45-55)
An egg is released approximately every 28 days.
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Description
Explore the essential role of hormones as chemical messengers in the body, including key hormones such as testosterone, estrogen, and progesterone. Understand the functions of the pituitary gland and how various hormones influence growth, metabolism, and reproduction. Test your knowledge on these critical aspects of human biology.
