McGraw-Hill OnlineMcGraw-Hill Higher EducationLearning Center
Student Center | Instructor Center | information Center | Home
Biology Case Studies
Bioethics Case Studies
Global Issues Maps
Johnson Explorations
Essential Study Partner
Web Links
Key Term Flashcards
Testing Your Knowledge
Thinking Scientifically
Art Quizzes
Chapter Quiz
Help Center

Lewis Life 4e
Life, 4/e
Ricki Lewis, University of New York at Albany
Mariƫlle Hoefnagels, University of Oklahoma
Douglas Gaffin, University of Oklahoma
Bruce Parker, Utah Valley State College

The Endocrine System

Testing Your Knowledge

1. Why doesn’t a hormone affect all body cells?

2. How do the mechanisms of peptide and steroid hormone function differ?

3. How do hormones regulate their own levels?

4. Describe how the following hormones interact:

  • a. thyroglobulin
  • b. thyroxine
  • c. triiodothyronine
  • d. TSH
  • e. TRH
  • 5. Which hormone fits each description below?

  • a. Too little of this hormone causes fatigue.
  • b. This hormone indicates pregnancy.
  • c. This hormone is produced by a woman who is breastfeeding.
  • d. This hormone increases blood calcium level.
  • e. This hormone decreases blood glucose level.
  • f. Synthetic steroid drugs mimic effects of this hormone.
  • 6. How are the following glands really two glands in one?

  • a. the thyroid
  • b. the pituitary
  • c. the adrenal glands
  • Click Here For The Answers


    Additional Questions

    1. Identify the gland that secretes each of the following hormones:

  • a. Melatonin.
  • b. Oxytocin.
  • c. Calcitonin.
  • d. Aldosterone.
  • e. Follicle-stimulating hormone.
  • f. Growth hormone.
  • g. Epinephrine.
  • 2. Which glands are each of the following disorders associated with?

  • a. Cretinism.
  • b. Acromegaly.
  • c. Osteoporosis.
  • d. Diabetes mellitus.
  • e. Addison’s disease.
  • Click Here For The Answers