Human Biology Ch:14

• Endocrine glands ______________________.


  Secrete chemical messengers that travel in the bloodstream.
• A newly developed pesticide has been observed to bind to an intracellular hormone receptor. If ingested, residue from this pesticide could disrupt levels of _______ _________.

  thyroid hormone
• How many hormones are produced by the posterior pituitary?

  2
• Which of the following hormones contributes to the regulation of the body's fluid and electrolyte balance?

  antidiuretic hormone
• Which of the following statements about the thyroid gland is true?

  It is located anterior to the trachea and inferior to the larynx, the parathyroid glands are embedded within it, it manufactures three hormones.
• A student is in a car accident, and although not hurt, immediately experiences pupil dilation, increased heart rate, and rapid breathing. What type of endocrine system stimulus did the student receive?

  positive feedback
• The development of a goiter indicated that_________.


  There is an excessive accumulation of colloid in the thyroid follicles.
• Which of the following can result from hyperparathyroidism?

  fractures
• Which of the following responses is not part of the fight-or-flight response?

  reduced mental activity
• The production of melatonin is inhibited by__________.

  Exposure to bright light