The Human Body Quiz - Pituitary Gland

110 Questions | Total Attempts: 1902

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The Human Body Quiz - Pituitary Gland

The pituitary gland is a small pea-sized gland that plays a major role in regulating vital body functions and general wellbeing. It is referred to as the body's 'master gland' because it controls the activity of most other hormone-secreting glands


Questions and Answers
  • 1. 
    Pituitary gland is controlled by
    • A. 

      Hypothalamus

    • B. 

      Cortex

    • C. 

      Pontine

  • 2. 
    Hypothalamus connected to pituitary gland via
    • A. 

      Nerves

    • B. 

      Blood

    • C. 

      Pituitary stalk (infundibulum)

    • D. 

      No connection

  • 3. 
    The pituitary gland lies in the
    • A. 

      Nasal fossa

    • B. 

      Sella turcica

    • C. 

      Infront of the medulla oblongata

  • 4. 
    Which approach does the surgeon take for a pituitary gland surgery?
    • A. 

      Trans-nasal

    • B. 

      Trans-cortex

    • C. 

      Trans-rectal

    • D. 

      Trans-sphenoidal

  • 5. 
    The anterior pituitary arises embryologically as an:
    • A. 

      Invagination of the roof of the pharynx (rathke's pouch)

    • B. 

      Primitive gut

    • C. 

      Primitive lung

  • 6. 
    On both sides of the gland, there are sinuses called the Cavernous Venous Sinuses. These sinuses contains nerves & internal carotid artery. Which nerves are located in these sinuses?
    • A. 

      Medially: Opthalmic (3), Abducent(6) Laterally: Opthalmic & Maxillary (5)

    • B. 

      Medially: Oculomotor (3), Abducent(6) Laterally: Opthalmic & Maxillary (5)

    • C. 

      Medially: Ophthalmic (3), Abducent(6) Laterally: Oculomotor & Maxillary (5)

  • 7. 
    Which nerve will be compressed 1st when a pituitary gland enlarges?
    • A. 

      Opthalmic

    • B. 

      Oculomotor

    • C. 

      Maxillary

    • D. 

      Abducent

  • 8. 
    In enlargement of a pituitary gland anterior superiorly, the optic nerves will be compressed (temporal half - side view). The patient will not be able to see the sides. What condition is this called?
    • A. 

      Temporal hemionopia

    • B. 

      Semitemporal hemionopia

    • C. 

      Bitemporal hemionopia

    • D. 

      Bitemporal myopia

  • 9. 
    What are the parts of the anterior pituitary?
    • A. 

      Pars distalis(pars anterior), Pars tuberalis, Pars intermedia

    • B. 

      Pars nervosa, Median eminence, infundibular stalk

  • 10. 
    Which of the parts of the posterior pituitary is the connection to the hypothalamus?
    • A. 

      Pars nervosa

    • B. 

      Median eminence

    • C. 

      Infundibular stalk

  • 11. 
    The pars distalis/anterior consists of 2 types of cells:
  • 12. 
    Which are the secretory cells of the pars anterior?
    • A. 

      Chromophobes

    • B. 

      Chromophils

  • 13. 
    There are 2 different type of chromophils (of the pars anterior), the acidophils & basophils. What does the acidophils secrete?
    • A. 

      TSH, ACTH

    • B. 

      Growth hormones & prolactin

    • C. 

      LH, FSH

    • D. 

      ICSH

  • 14. 
    What does the pars intermedia (of the anterior pituitary) secrete?
    • A. 

      TSH

    • B. 

      MSH

    • C. 

      ICSH

    • D. 

      ACTH

  • 15. 
    There are 2 types of nuclei in the posterior pituitary. The paraventricular nucleus and the supraoptic nuclue. Which on secretes oxytocin?
    • A. 

      Paraventricular

    • B. 

      Supraoptic

  • 16. 
    Which are the hormones that are produced from amino acids?
    • A. 

      Thyroxine, serotonin

    • B. 

      Cortisol, sex hormones

  • 17. 
    Which are the hormones produced from lipid? (cholesterol/steroids)
    • A. 

      TSH & TRH

    • B. 

      Somatostatin & cortisol

    • C. 

      Cortisol & sex hormone

  • 18. 
    Why does steroid hormones (sex hormone & cortisol) & thyroid hormone require carrier proteins to be transported in blood?
    • A. 

      It is not target organ effective

    • B. 

      It travels slowly in blood in the free form

    • C. 

      It is insoluble in water

    • D. 

      It has a large molecular weight

  • 19. 
    Which is responsible for the effects of the hormones to be seen?
    • A. 

      ATP

    • B. 

      Protein Kinase A

    • C. 

      CAMP

    • D. 

      G-protein

  • 20. 
    Which hormone receptors/2nd messengers are protein kinases (phosphorylates intracellular mediators to produce action)
    • A. 

      Cyclip AMP

    • B. 

      Receptor tyrosine kinase

    • C. 

      Calcium

    • D. 

      Phosphoinositides

    • E. 

      Cyclic GMP

  • 21. 
    Which of these hormones have a receptor that is a protein kinase?
    • A. 

      Epinephrine

    • B. 

      ADH

    • C. 

      Insulin

  • 22. 
    Which hormone will be able to diffuse thru the cell membrane by simple diffusion?
    • A. 

      Thyroid hormone

    • B. 

      Steroid hormone

    • C. 

      Growth hormone

  • 23. 
    Which hormone has a positive feedback mechanism
    • A. 

      Oxytocin

    • B. 

      LH

    • C. 

      FSH

    • D. 

      ADH

  • 24. 
    Growth hormone is controlled by a diurnal rhythm. When during the day GH is high in amount?
    • A. 

      During sleep

    • B. 

      After waking up

    • C. 

      During 1st few hours of deep sleep

    • D. 

      During strenous exercise

  • 25. 
    When during the day ACTH & Cortisol are high in amount?
    • A. 

      After waking up

    • B. 

      Last few hours before waking up

    • C. 

      During sleep

    • D. 

      Before sleeping

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