Quiz: Introduction to Endocrine System

1. The endocrine system acts through neurotransmitters called hormones that influence growth, development, and metabolic activities.
   True False
2. Endocrine glands have ducts that carry their secretory product to a surface.
   True False
3. Since the endocrine glands are scattered throughout the body, they are regarded as different systems.
   True False
4. The specific cells that respond to a given hormone have receptor sites for that hormone.
   True False
5. A negative feedback system causes a reversal of increases and decreases in body conditions in order to maintain a state of stability or homeostasis.
   True False
6. Some glands have endocrine and non-endocrine regions, which function differently.
   True False
7. Growth hormone is a protein that stimulates the growth of bones, muscles, and other organs by promoting protein synthesis. This hormone is produced by the pituitary gland.
   True False
8. The adrenal cortex consists of two regions, with each region producing a different group or type of hormones.
   True False
9. The gonads, the primary reproductive organs, are only responsible for secreting hormones and are considered to be endocrine glands.
   True False
10. The heart also acts as an endocrine organ in addition to its major role of pumping blood.
    True False