The Endocrine System

1. Which of the following is NOT true about hormones?

  • Hormones cause physiological reactions in target cells.
  • Hormones affect most of the cells in the body with which they come into contact.
  • Hormones affect 'target cells' which have receptors for that hormone.
  • Hormones are chemicals that circulate in the blood stream and are carried to target sites throughout the body.
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2. Which of these statements is most accurate?

  • The hypothalamus receives information from one main source to help regulate the basic functions of the body. One way it does this is by controlling the pituitary gland.
  • The hypothalamus receives information from many sources to help regulate the basic functions of the body. One way it does this is by controlling the hypothalamus.
  • The pituitary gland receives information from one main source to help regulate the basic functions of the body. One way it does this is by controlling the hypothalamus.
  • The pituitary gland receives information from many sources to help regulate the basic functions of the body. One way it does this is by controlling the hypothalamus.

3. Which of these statements about the endocrine system could ALSO be used to describe the nervous system?

  • The system is used to regulate physiological processes in the body.
  • Information is only transmitted through chemical messengers.
  • Blood vessels,glands and hormones are used to transmit information.
  • The system takes seconds to act.

4. Which gland is involved in helping to trigger the fight or flight response?

  • Adrenal glands
  • Pancreas
  • Thyroid gland
  • Pituitary gland

5. Which of the following is NOT a hormone?

  • Serotonin
  • Cortisol
  • Adrenaline
  • Oestrogen

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