Endocrine Hormones and Secretions
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Questions and Answers

What is the source of thyroxine (T4) that is converted by deiodinases?

  • ADH
  • TSH (correct)
  • Calcitonin
  • GHRH

    • What is the effect of thyroxine (T4) on metabolic activity?

  • Has no effect on metabolic activity
  • Decreases metabolic activity
  • Initially decreases then increases metabolic activity
  • Increases metabolic activity (correct)

    • What is the effect of ADH on the body?

  • Increases blood calcium level
  • Inhibits urine production (correct)
  • Stimulates urine production
  • Decreases blood calcium level

    • Where is ADH produced?

    <p>Posterior pituitary</p> Signup and view all the answers

    What is the effect of calcitonin on blood calcium level?

    <p>Decreases blood calcium level</p> Signup and view all the answers

    What is the primary function of Parathyroid Hormone (PTH)?

    <p>Regulation of blood calcium levels</p> Signup and view all the answers

    Which hormone is responsible for increasing blood glucose levels via gluconeogenesis?

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

    What is the effect of Aldosterone on potassium levels?

    <p>Increases potassium excretion</p> Signup and view all the answers

    Which of the following is NOT a function of Epinephrine?

    <p>Increases immune response</p> Signup and view all the answers

    What is the effect of Cortisol on immune response?

    <p>Decreases immune response</p> Signup and view all the answers

    What is the effect of Angiotensin II on blood pressure?

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

    What is the primary function of Gonadotropin-Releasing Hormone (GnRH)?

    <p>To stimulate the production of FSH and LH</p> Signup and view all the answers

    Which hormone is responsible for stimulating the production of milk in the breasts?

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

    What is the effect of Thyroid-Stimulating Hormone (TSH) on the thyroid gland?

    <p>To increase thyroid hormones</p> Signup and view all the answers

    What is the primary function of Oxytocin?

    <p>To stimulate uterine contractions during childbirth</p> Signup and view all the answers

    What is the effect of Adrenocorticotropic Hormone (ACTH) on the adrenal cortex?

    <p>To increase glucocorticoids</p> Signup and view all the answers

    What is the primary function of Growth Hormone (GH)?

    <p>To stimulate bone and muscle growth</p> Signup and view all the answers

    What is the primary function of glucagon in the body?

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

    Which hormone inhibits the release of both glucagon and insulin?

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

    What is the effect of orexin on appetite?

    <p>It increases appetite</p> Signup and view all the answers

    What is the primary function of gastrin in the digestive system?

    <p>To increase HCl secretion and gastric motility</p> Signup and view all the answers

    Which hormone is involved in the regulation of blood pressure?

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

    What is the effect of secretin on the digestive system?

    <p>It increases the release of bicarbonate</p> Signup and view all the answers

    What triggers the kidneys to secrete the enzyme Renin?

    <p>A drop in blood pressure</p> Signup and view all the answers

    What is the function of ACE in the blood pressure regulation process?

    <p>To convert Angiotensin I to Angiotensin II</p> Signup and view all the answers

    What is the effect of Angiotensin II on blood pressure?

    <p>It increases blood pressure by various mechanisms</p> Signup and view all the answers

    Why are ACE inhibitors prescribed to people with high blood pressure?

    <p>To decrease blood pressure by preventing ACE from converting Angiotensin I to Angiotensin II</p> Signup and view all the answers

    What is the effect of high blood pressure on the body's response?

    <p>It stimulates the brain to decrease blood pressure by increasing urination</p> Signup and view all the answers

    What is the role of the liver in the blood pressure regulation process?

    <p>It secretes Angiotensinogen, a protein that can be converted to Angiotensin I</p> Signup and view all the answers

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