Neuroendocrine Hormones - Oxytocin and ADH Quiz
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Questions and Answers

What is the function of oxytocin (OT) released by the posterior pituitary?

  • Stimulates bone growth
  • Regulates blood pressure
  • Increases heart rate
  • Promotes uterine contractions (correct)

    • How do neurohormones differ from neurotransmitters?

  • Neurohormones are faster in their signaling compared to neurotransmitters.
  • Neurohormones are released into the bloodstream and act on distant target cells. (correct)
  • Neurohormones are only released by endocrine glands.
  • Neurohormones are involved in muscle contractions.

    • Which of the following is a function of antidiuretic hormone (ADH) released by the posterior pituitary?

  • Promotes fluid retention by the kidneys (correct)
  • Regulates body temperature
  • Increases urine production
  • Stimulates appetite

    • What characterizes the release of neurohormones from the posterior pituitary?

    <p>Release into the pituitary's circulation for bloodstream distribution</p> Signup and view all the answers

    How do hormones of the posterior pituitary influence the body?

    <p>By influencing endocrine gland functions via neurohormones</p> Signup and view all the answers

    What is the hormone associated with conditions like ASD, depression, anxiety, and stress?

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

    Which hormone initiates let-down and milk ejection in breastfeeding individuals?

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

    What is the role of ADH (Vasopressin) in response to heart failure?

    <p>Supports blood pressure regulation</p> Signup and view all the answers

    When does Oxytocin release increase in the body?

    <p>During breastfeeding</p> Signup and view all the answers

    Which hormone is released in response to severe blood loss or dehydration to increase water retention?

    <p>ADH (Vasopressin)</p> Signup and view all the answers

    What is the primary function of hormones in the endocrine system?

    <p>Modulation of growth and development</p> Signup and view all the answers

    Which of the following is not an origin of hormones?

    <p>Blood vessels</p> Signup and view all the answers

    How do some nerves interact with the endocrine system?

    <p>Innervate primary endocrine glands</p> Signup and view all the answers

    What characterizes neurohormones?

    <p>Have downstream effects on hormone secretion</p> Signup and view all the answers

    Which of the following is an accurate description of neurotransmitters?

    <p>Released by neurons to affect adjacent cells</p> Signup and view all the answers

    How do neurons interact with hormones in the central nervous system and peripheral nervous system?

    <p>Neurons have receptors for various hormones</p> Signup and view all the answers

    What hormone is responsible for modulating growth and development?

    <p>Growth hormone releasing hormone (GHRH)</p> Signup and view all the answers

    Which hormone is stimulated by sex hormones and deep sleep?

    <p>Growth hormone (GH)</p> Signup and view all the answers

    What hormone is responsible for stimulating the thyroid gland?

    <p>Thyroid releasing hormone (TRH)</p> Signup and view all the answers

    What hormone has anabolic effects on the body?

    <p>Insulin-like growth factor 1 (IGF-1)</p> Signup and view all the answers

    Why might bodybuilders take synthetic growth hormone right before bed or early in the morning?

    <p>To mimic the body's natural growth hormone release</p> Signup and view all the answers

    What is a reason why anabolic steroids/GH can be harmful according to the text?

    <p>Hormones are released according to complex rhythms</p> Signup and view all the answers

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