Hormones: Function and Types
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Questions and Answers

What is the role of the nervous and hormonal systems in the body?

  • They are completely separate and independent systems.
  • The nervous system controls the glands that release hormones. (correct)
  • The hormonal system controls the nervous system.
  • They have no interaction with each other.

    • What is the main difference between neurotransmitters and neurohormones?

  • Neurotransmitters act locally, while neurohormones act globally.
  • Neurotransmitters are water-soluble, while neurohormones are lipid-soluble.
  • Neurotransmitters are released by glands, while neurohormones are released by neurons.
  • Neurotransmitters are released by neurons to pass a message across the synapse, while neurohormones diffuse into the blood to act on distant targets. (correct)

    • Which hormone is responsible for regulating the body's sleep-wake cycle?

  • Melatonin (correct)
  • Oxytocin
  • Prolactin
  • Antidiuretic hormone (ADH)

    • Which type of hormone is $ ext{small, lipid-soluble, and can cross cell membranes}$?

    <p>Steroid hormones</p> Signup and view all the answers

    Which hormone is responsible for regulating blood calcium levels?

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

    What is the primary role of insulin and glucagon in the body?

    <p>To regulate blood glucose levels</p> Signup and view all the answers

    Which type of hormones affect the cells that released them?

    <p>Paracrine hormones</p> Signup and view all the answers

    What is the function of ecdysone in arthropods?

    <p>Stimulates molting</p> Signup and view all the answers

    Where do exocrine glands secrete their products?

    <p>Outside of the body or into a body cavity</p> Signup and view all the answers

    Which hormone prevents maturation to adult form until the fifth instar in arthropods?

    <p>Juvenile hormone</p> Signup and view all the answers

    In vertebrates, what do hormones regulate?

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

    Where do circulating hormones travel to activate target cells?

    <p>Far from the site of release</p> Signup and view all the answers

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