Test Questions About Endocrine System

39 Questions | Total Attempts: 1035

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Test Questions About Endocrine System - Quiz

Test questions about endocrine system.


Questions and Answers
  • 1. 
    When a hormone is present in excessive levels, the number of target-cell receptors may decrease. This is called:
    • A. 

      Circulating hormone

    • B. 

      Down regulation

    • C. 

      Up regulation

    • D. 

      Receptor recognition

    • E. 

      Paracrine

  • 2. 
    These hormones act on neighboring cells without entering the bloodstream.
    • A. 

      Local hormones

    • B. 

      Paracrines

    • C. 

      Autocrines

    • D. 

      Both b and c

    • E. 

      All of the above

  • 3. 
    These are lipid soluble hormones derived from cholesterol.
    • A. 

      Peptide hormones

    • B. 

      Steroids

    • C. 

      Thyroid hormones

    • D. 

      Nitric Oxide

    • E. 

      Amine hormones

  • 4. 
    Which of the following is a major eicosanoid?
    • A. 

      Prostaglandins

    • B. 

      Leukotrienes

    • C. 

      Glycoproteins

    • D. 

      Both a and b

    • E. 

      All of the above

  • 5. 
    What is a major difference in the action of a water soluble hormone versus a lipid soluble hormone on a cell?
    • A. 

      The use of a second messenger

    • B. 

      Lipid hormones are not found in the bloodstream

    • C. 

      How they diffuse through blood

    • D. 

      How the mRNA is transcribed

    • E. 

      Only one type needs a hormone receptor

  • 6. 
    Which of the following is not a way hormone secretion is regulated.
    • A. 

      Signals from the nervous system

    • B. 

      Chemical changes in the blood

    • C. 

      Signals from the peripheral nervous system

    • D. 

      The action of other hormones

    • E. 

      Both a and b

  • 7. 
    Which of the following anterior pituitary hormones stimulates growth of long bones?
    • A. 

      Prolactin

    • B. 

      Thyrotropin

    • C. 

      Follicle stimulating hormone

    • D. 

      Adrenocorticotropic hormone

    • E. 

      Human growth hormone

  • 8. 
    Which of the following anterior pituitary hormones stimulates milk production?
    • A. 

      Prolactin

    • B. 

      Melanocyte stimulating hormone

    • C. 

      Adrenocorticotropic hormone

    • D. 

      Leutinizing hormone

    • E. 

      Thyrotropin

  • 9. 
    Which of the following anterior pituitary hormones stimulates Cortisol production?
    • A. 

      Adrenocorticotropic hormone

    • B. 

      Insulin like growth factors

    • C. 

      Luteinizing hormone

    • D. 

      Prolactin

    • E. 

      Melanocyte stimulating hormone

  • 10. 
    Which of the following anterior pituitary hormones stimulates sex cell production?
    • A. 

      Luteinizing hormone

    • B. 

      Corticotropin

    • C. 

      Melanocyte stimulating hormone

    • D. 

      Growth hormone

    • E. 

      TSH

  • 11. 
    The pars distalis and the pars tuberalis comprise:
    • A. 

      The adrenal gland

    • B. 

      The thyroid gland

    • C. 

      The anterior pituitary

    • D. 

      The hypothalamus

    • E. 

      The posterior pituitary

  • 12. 
    How many hormones do the five types of anterior pituitary cells secrete?
    • A. 

      7

    • B. 

      10

    • C. 

      12

    • D. 

      Unlimited

    • E. 

      5

  • 13. 
    Which type of anterior pituitary cell secretes human growth hormone?
    • A. 

      Corticotrophs

    • B. 

      Lactotrophs

    • C. 

      Somatotrophs

    • D. 

      Thyrotrophs

    • E. 

      Gonadotrophs

  • 14. 
    Which hormones does the posterior pituitary release?
    • A. 

      Melatonin stimulating hormone and Oxytocin

    • B. 

      Oxytocin and Antidiuretic hormone

    • C. 

      Follicle stimulating hormone and Thyroid stimulating hormone

    • D. 

      Prolactin and ACTH

    • E. 

      Prolactin and Human Growth hormone

  • 15. 
    The amount of ADH that is secreted varies with
    • A. 

      Blood osmotic pressure

    • B. 

      Blood calcium levels

    • C. 

      Oxygen content of blood

    • D. 

      Blood levels of glucose

    • E. 

      All of the above

  • 16. 
    Which of the following hormones opposes the action of parathyroid hormone?
    • A. 

      Thyroid stimulating hormone

    • B. 

      Testosterone

    • C. 

      Insulin

    • D. 

      Calcitonin

    • E. 

      Calcitriol

  • 17. 
    Which of the following is not part of the process used to synthesize and secrete T3 and T4?
    • A. 

      Iodide trapping

    • B. 

      Oxidation of iodide

    • C. 

      Coupling of T1 and T2

    • D. 

      Hydrolysis of calcium

    • E. 

      Iodination of tyrosine

  • 18. 
    Which of the following would most likely result when aldosterone secretion from the adrenal cortex is impaired?
    • A. 

      Alkalosis

    • B. 

      Decreased heart rate

    • C. 

      Decreased airway dilation

    • D. 

      Increased airway dilation

    • E. 

      Acidosis

  • 19. 
    Which of the following hormones contribute to the body's long term response to stress?
    • A. 

      Calcitonin, Thyroid hormone, Insulin

    • B. 

      Insulin, Glucagon, Thyroid hormone

    • C. 

      HGH, Insulin, Aldosterone

    • D. 

      Cortisol, hGH, Thyroid hormone

    • E. 

      Parathyroid hormone, Cortisol, hGH

  • 20. 
    The responses of the body to long term stress does NOT include which one of the following responses.
    • A. 

      Glycogenolysis

    • B. 

      Increased heart rate

    • C. 

      Gluconeogenesis

    • D. 

      Breakdown of proteins

    • E. 

      Lipolysis

  • 21. 
    This gland secretes hGH, TSH and FSH among other hormones.
    • A. 

      D

    • B. 

      C

    • C. 

      A

    • D. 

      B

    • E. 

      I

  • 22. 
    The hormones from this gland regulate basal metabolic rate.
    • A. 

      D

    • B. 

      G

    • C. 

      A

    • D. 

      I

    • E. 

      C

  • 23. 
    This gland's hormones help regulate blood calcium levels.
    • A. 

      D

    • B. 

      I

    • C. 

      B

    • D. 

      A

    • E. 

      H

  • 24. 
    This gland produces stress reducing steroid hormones.
    • A. 

      I

    • B. 

      H

    • C. 

      F

    • D. 

      D

    • E. 

      G

  • 25. 
    Which step represents the synthesis of TGB?
    • A. 

      4

    • B. 

      2

    • C. 

      6

    • D. 

      7

    • E. 

      1