Physiology of Parathyroid Hormone and Hyperparathyroidism
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Questions and Answers

What is the primary function of prostaglandins in the body?

  • To mediate inflammation and enhance pain and inflammation (correct)
  • To stimulate glycogenolysis and enhance blood clotting
  • To increase the rate of normal cellular processes
  • To decrease blood pressure and relax smooth muscles
  • What is the effect of epinephrine on blood vessels?

  • It decreases the rate of normal cellular processes
  • It causes contraction of smooth muscles (correct)
  • It increases the rate of normal cellular processes
  • It stimulates glycogenolysis
  • What is the result of a hormonal stimulus on plasma membrane's permeability?

  • It either opens or closes ion channels (correct)
  • It has no effect on ion channels
  • It always opens ion channels
  • It always closes ion channels
  • Which type of hormone is synthesized from cholesterol?

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

    What is the effect of prostaglandins on uterine contractions during birth?

    <p>They increase uterine contractions</p> Signup and view all the answers

    Which type of hormone is made from arachidonic acid?

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

    What is the effect of epinephrine on the liver?

    <p>It stimulates glycogenolysis</p> Signup and view all the answers

    What is the primary function of leukotrienes?

    <p>To mediate inflammation and allergic reactions</p> Signup and view all the answers

    What is the result of a hormonal stimulus on plasma membrane's potential?

    <p>It either increases or decreases the potential</p> Signup and view all the answers

    What is a characteristic of true hormones?

    <p>They are secreted by endocrine glands and circulate to target cells</p> Signup and view all the answers

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