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5 Written Questions

5 Matching Questions

  1. Pituitary Gland
  2. Hypoglycemia
  3. Hypothyroidism
  4. Puberty
  5. Hormones
  1. a 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.
  2. b Substances that are released by cells that act to regulate the activity of other cells in the body.
  3. c 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.
  4. d 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.
  5. e The adolescent stage during which the sex organs mature and secondary sex characteristics, such as facial hair appear. In males, during this stage, sperm production begins, the voice deepens, the chest broadens, and hair begins to grow on the body and face. In females, the menstrual cycle begins, the breasts grow, and the hips wide.

5 Multiple Choice Questions

  1. Nerve cells that secrete hormones. The axons of these cells in the hypothalamus extend into the posterior lobe of the pituitary. Oxytocin and ADH are transported through these axons into the posterior pituitary where they are stored for eventual release into the bloodstream.
  2. An amino acid-based hormone that stimulates the release of glucose into the bloodstream by liver cells.
  3. Stimulate the anterior pituitary to make and secrete hormones.
  4. A hormone secreted by digestive cells that stimulates other stomach cells to release digestive enzymes such as hydrochloric acid.
  5. An androgen secreted by the testes that regulates male secondary sex characteristics. It also, along with FSH, stimulates sperm production.

5 True/False Questions

  1. Endocrine GlandsSecrete substances through ducts (basically tubes). These substances can be water, enzymes, and mucus.

          

  2. Islets of LangerhansSpecialized cells in the pancreas that act as an endocrine gland. They secrete two amino acid-based hormones that regulate the level of sugar in the blood. The hormones are insulin and glucagon.

          

  3. Parathyroid GlandsThere are four of these glands on the back of the thyroid gland and they secrete parathyroid hormone. This stimulates the transfer of calcium ions from the bones to the blood. It has the opposite effect of calcitonin. A proper balance of calcium ions is necessary for cell division, muscle contraction, blood clotting, and neural signaling.

          

  4. Target CellsEndocrine cells within the walls of some digestive organs also secrete a variety of hormones that control digestive processes. Some examples of these hormones include gastrin and secretin.

          

  5. HypothalamusWhen 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.

          

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