Endocrine System Exam Quiz: Trivia!

43 Questions | Total Attempts: 574

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Endocrine System Exam Quiz: Trivia!

Did you know that the endocrine system is a complex and interesting body system? This quiz will help you learn all the interesting facts. As far as this quiz goes, you will have to be educated in defining the endocrine gland, how does the nervous system respond to stimuli, what does the posterior pituitary secrete, what is the antidiuretic hormone, and what has more target cells in the body than any of the others. You most certainly need to take this quiz.


Questions and Answers
  • 1. 
    Endocrine gland(s)
    • A. 

      Release their secretion directly into the blood

    • B. 

      Have an unusually low density of blood capillaries

    • C. 

      Secrete their products by way of ducts

    • D. 

      Secrete substances that do not alter the metabolism of their target cells, but have extracellular effects

    • E. 

      Secretions may be released into the body surface

  • 2. 
    The nervous system reacts to stimuli ___ compared to the endocrine system, adapts_____ compared to the endocrine system, and has ____ effects compared to the endocrine system.
    • A. 

      Slowly,slowly,widespread

    • B. 

      Quickly,slowly,specific

    • C. 

      Quickly,quickly,specific

    • D. 

      Quickly,quickly, widespread

    • E. 

      Slowly,quickly, specific

  • 3. 
    ___ are secreted by one cell into the tissue fluid, diffuse to nearby cells in the same tissue, and stimulate physiology.
    • A. 

      Neurotransmitters

    • B. 

      Neuromodulators

    • C. 

      Paracrines

    • D. 

      Parahormones

    • E. 

      Hormones

  • 4. 
    The___ is not an endocrine gland but it has a role in endocrine function.
    • A. 

      Pancreas

    • B. 

      Kidney

    • C. 

      Thyroid gland

    • D. 

      Parathyroid gland

    • E. 

      Adrenal gland

  • 5. 
    What makes a cell target of a particular hormone?
    • A. 

      The chemical properties of the hormone

    • B. 

      The presence of a receptor for that particular hormone

    • C. 

      The location of the gland that secretes the hormone

    • D. 

      The location of the target cell in the body

    • E. 

      The site where the hormone is secreted

  • 6. 
    The neurohypophysis (posterior pituitary) secrets
    • A. 

      Prolactin (PRL)

    • B. 

      Adrenocorticotropic hormone (ACTH)

    • C. 

      Thyroid hormone (TH)

    • D. 

      Growth hormone (GH)

    • E. 

      Oxytocin (OT)

  • 7. 
    Thyrotropin-releasing hormone targets the
    • A. 

      Anterior pituitary (adenohypophysis)

    • B. 

      Thyroid gland

    • C. 

      Thyroid hormone

    • D. 

      Hypothalamus

    • E. 

      Posterior pituitary (neurohyphophysis)

  • 8. 
    The hypophyseal portal system connects
    • A. 

      The posterior pituitary (neurohyphophysis) with the hypothalamus

    • B. 

      The anterior pituitary (adenohypophysis) with the hypothalamus

    • C. 

      The anterior pituitary with the posterior pituitary

    • D. 

      The hypothalamus with its target organs

    • E. 

      The pituitary with its target organs

  • 9. 
    These are all hypothalamic hormones except
    • A. 

      Somatostatin

    • B. 

      Thyrptropin releasing hormone (TRH)

    • C. 

      Prolactin-inhibiting hormone (PIH)

    • D. 

      Anitdiuretic hormone (ADH)

    • E. 

      Lutenizing hormone (LH)

  • 10. 
    Antidiuretic hormone (ADH) targets the
    • A. 

      Pancreas

    • B. 

      Hypothalamus

    • C. 

      Kidneys

    • D. 

      Adrenal gland

    • E. 

      Anterior pituitary (adenohypophysis)

  • 11. 
    ___ has more target cells in the body than any of the others.
    • A. 

      Oxytocin (OT)

    • B. 

      Growth hormone (GH)

    • C. 

      Growth hormone- releasing hormone (GHRH)

    • D. 

      Corticotropin releasing hormone (CRH)

    • E. 

      Antidiuretic hormone (ADH)

  • 12. 
    Target organs most often regulate the pituitary gland via:
    • A. 

      Negative feedback inhibition

    • B. 

      Up-regulation

    • C. 

      Positive feedback inhibition

    • D. 

      Down-regulation

    • E. 

      Antagonistic regulation

  • 13. 
    The infundibulum is:
    • A. 

      A depression of the sphenoid bone that protects the pituitary gland

    • B. 

      A bulky nucleus composed of the paraventricular nucleus and the supraoptic nucleus

    • C. 

      A portal system between the hypothalamus and the pituitary gland

    • D. 

      A mass of endocrine and neural cells

    • E. 

      A projection of the hypothalamus from which the pituitary glands hangs

  • 14. 
    ___ secretion is controlled by neuroendocrine reflexes, whereas ___ secretion is controlled by negative feedback mechanism.
    • A. 

      Thyroid stimulating hormone (TSH); lutenizing hormone (LH)

    • B. 

      Follicle-stimulating hormone; lutenizing hormone (LH)

    • C. 

      Oxytocin (OT); Antidiuretic hormone (ADH)

    • D. 

      Antidiuretic hormone (ADH); oxytocin (OT)

    • E. 

      Antidiuretic hormone (ADH); thyroid stimulating hormone (TSH)

  • 15. 
    Negative feedback inhibition occurs when
    • A. 

      Thyroid hormone (TH) targets the anterior pituitary

    • B. 

      Thyrotropin-releasing hormone (TRH) causes the anterior pituitary to release thyroid- stimulating hormone (TSH)

    • C. 

      Thyrotropin-releasing hormone (TRH) target the anterior pituitary pituitary

    • D. 

      Thyrotropin-releasing hormone (TRH)target the thyroid gland

    • E. 

      Thyroid- stimulating hormone (TSH) targets the thyroid gland

  • 16. 
    This hormone plays an important tole in synchronizing physiological function with the cycle of daylight and darkness.
    • A. 

      Calcitonin

    • B. 

      Melanin

    • C. 

      Hepcidin

    • D. 

      Melatonin

    • E. 

      Inhibin

  • 17. 
    The ___ secretes several hormones that stimulate the developement of lymphatic prgans and regulates developement and activity of T cells (white blood cells)
    • A. 

      Adrenal gland

    • B. 

      Thymus

    • C. 

      Thyroid

    • D. 

      Spleen

    • E. 

      Parathyroid

  • 18. 
    The ___ secretes a hormone that increases the body's metabolic rate, promotes alertness and quickness reflexes, and stimulates the fetal nervous system.
    • A. 

      Pancreas

    • B. 

      Thyroid gland

    • C. 

      Adrenal gland

    • D. 

      Parathyroid gland

    • E. 

      Thymus

  • 19. 
    The ___ secretes a hormone as a response to hypocalcemia.
    • A. 

      Parathyroid gland

    • B. 

      Thymus

    • C. 

      Thyroid gland

    • D. 

      Pineal gland

    • E. 

      Pituitary gland

  • 20. 
    The ____ secrete(s)___, which promotes Na+ and water retention.
    • A. 

      Adrenal medulla; epinephrine

    • B. 

      Pancreas;cortisol

    • C. 

      Kidneys; corticosterone

    • D. 

      Thyroid;calcitonin

    • E. 

      Adrenal cortex; aldosterone

  • 21. 
    This zona fasiculata in the adrenal gland secretes:
    • A. 

      Estradiol

    • B. 

      Androgens

    • C. 

      Glucagon

    • D. 

      Cortisol

    • E. 

      Aldosterone

  • 22. 
    Many hours after a meal, alpha cells in the pancreatic islets (islets of Langerhans) secrete:
    • A. 

      Glucacorticoids, which raise blood glucose

    • B. 

      Insulin, which raises blood glucose

    • C. 

      Insulin, which lowers blood glucose

    • D. 

      Glucagon, which lowers blood glucose

    • E. 

      Glucagon, which raises blood glucose

  • 23. 
    These are all secreted bu the pancreas except:
    • A. 

      Somatotropin( growth hormone)

    • B. 

      Glucagon

    • C. 

      Gastrin

    • D. 

      Pancreatic polypeptide

    • E. 

      Somatostatin (growth hormone-inhibiting hormone)

  • 24. 
    This gland has both endocrine and exocrine function:
    • A. 

      The ovary

    • B. 

      The thymus

    • C. 

      The pineal gland

    • D. 

      The salivary gland

    • E. 

      The adrenal gland

  • 25. 
    ___is, not a steroid hormone.
    • A. 

      Cortisol

    • B. 

      Insulin

    • C. 

      Progesterone

    • D. 

      Aldosterone

    • E. 

      Estradiol

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