Physiology and Disorders of Pituitary Hormone Axes MCQ

Test your knowledge with important Physiology and Disorders of Pituitary Hormone Axes MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Physiology and Disorders of Pituitary Hormone Axes MCQs on Bissoy. Bissoy App

• Which among the following conditions of high PRL levels is resistant to dopamine therapy?
  ক

  Idiopathic Hyperprolactinemia

  খ

  Pregnancy

  গ

  Macroprolactinemia

  ঘ

  Menopause
• Why do pituitary gland may increase in size by two-fold or more in pregnant women?
  ক

  Increase in the number of PRL-producing cells

  খ

  Decrease in the number of PRL-producing cells

  গ

  Increase in the number of melanin producing cells

  ঘ

  Increase in the number of serotonins producing cells
• What is the natural form of contraception which depends on the frequency and duration of breast-feeding?
  ক

  Lactational Amenorrhea

  খ

  Sterilization

  গ

  Vasectomy

  ঘ

  Symptothermal method
• The prolactin receptor gene (PRLR) is a member of which of the following protein family?
  ক

  Cytokine super family

  খ

  Septin superfamily

  গ

  Dimethicone family

  ঘ

  G protein family
• Nocturnal PRL secretion is attenuated by which of the following compounds?
  ক

  Diclofenac

  খ

  Cyproheptadine

  গ

  Allopurinol

  ঘ

  Niacinamide
• Which among the following molecule is synthesized in both the pituitary and the hypothalamus that act as a PRL-releasing factor?
  ক

  Galanin

  খ

  Melanin

  গ

  Serotonin

  ঘ

  Kinetin
• Which among the following hormone is responsible for a higher PRL levels in women?
  ক

  Progesterone

  খ

  FSH

  গ

  LH

  ঘ

  Estrogen
• Which among the following is an example of a substance that act as PRL-releasing factor?
  ক

  Basic FGF

  খ

  TFS

  গ

  Leptin

  ঘ

  Adiponectin
• In which among the following receptors does dopamine bind on pituitary lactotrophs in order to inhibit that?
  ক

  Type 3 dopamine (D3) receptor

  খ

  Type 2 dopamine (D2) receptor

  গ

  Type 7 dopamine (D7) receptor

  ঘ

  Type 11 dopamine (D11) receptor
• PRL participates in negative feedback to control its release.
  ক

  True

  খ

  False
• Majority of PRL producing cells arise from postmitotic somatotrophs.
  ক

  True

  খ

  False
• Which among the following secretion can inhibit PRL hormone in the blood?
  ক

  Epinephrine

  খ

  Acetylcholine

  গ

  Dopamine

  ঘ

  Pepsin
• The human PRL gene is located on which among the following chromosome?
  ক

  Chromosome 7

  খ

  Chromosome 6

  গ

  Chromosome 11

  ঘ

  Chromosome 21
• Which among the following cells comprise 15% to 25% of functioning anterior pituitary cells?
  ক

  Lactotroph Cells

  খ

  Sertoli Cells

  গ

  Leydig Cells

  ঘ

  Paracrine cells