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5 Written questions

5 Matching questions

  1. Hypothyroidism
  2. Endocrine System
  3. Amino Acid-Based Hormones
  4. Second Messenger
  5. Release-Inhibiting Hormone
  1. a A molecule that causes changes inside a cell in response to the binding of a specific substance to a receptor on the outside of a cell. Cyclic AMP is a common second messenger. ATP is converted to make cAMP.
  2. b Hormones made of amino acids. They can be a single modified amino acido or a protein made up of 3-200 amino acids. They are usually water soluble.
  3. c When there is a deficiency in thyroid hormones. Symptoms of this include: growth retardation, lethargy, weight gain, and low heart rate and body temperature. It can also cause cretinism, a form of mental retardation.
  4. d These inhibit production and secretion of anterior-pituitary hormones.
  5. e The endocrine glands and specialized cells as a whole.

5 Multiple choice questions

  1. It is suspended from the hypothalamus by a short stalk. The hypothalamus produces hormones that are stored in this gland or that regulate this gland's activity.
  2. Excessive insulin causes this, a disorder that causes glucose to be stored rather than used and properly delivered to body cells. This leads to lowered blood glucose concentrations and subsequent release of glucagon and epinephrine. Symptoms include lethargy, dizziness, nervousness, overactivity, and in extreme cases, unconsciousness and death.
  3. An amino acid-based hormone that stimulates the release of glucose into the bloodstream by liver cells.
  4. These sex hormones are stimulated to be produced by LH and FSH in females. In preparation for a possible pregnancy, these sex hormones cause the monthly release of an egg by an ovary and buildup of the uterine lining. Estrogen also regulates female secondary sex characteristics.
  5. The ovaries in females, and the testes in males. These are gamete-producing organs that also produce a group of steroid sex hormones. Sex hormones regulate body changes that begin at puberty.

5 True/False questions

  1. SecretinThis is an amino acid-based hormone that is secreted by the thymus gland. The hormone stimulates the maturation of T cells, which help defend the body from pathogens.


  2. Target CellsSpecific cells that hormones travel to, to produce a specific effect.


  3. NeuropeptidesA group of neuropeptides that regulate emotions, influence pain, and affect reproduction.


  4. GastrinA hormone secreted by digestive cells that stimulates other stomach cells to release digestive enzymes such as hydrochloric acid.


  5. PancreasIt mostly contains exocrine cells, but specialized cells in the pancreas call the islets of Langerhans, function as an endocrine gland.