click below
click below
Normal Size Small Size show me how
Unit 4 Mock Question
Question | Answer |
---|---|
general senses | General senses have receptors that are distributed throughout the body; example: pain, temperature |
Special sense | Special sense has specialized receptors confined to structures of the head; example: hearing, vision |
Chemoreceptor | changes in chemical concentrations |
Pain (nociceptors) receptors | tissue damage |
Thermoreceptors | changes in temperature |
Mechanoreceptors | push, pull, squeeze |
Photoreceptors | respond to light |
List the Bones of middle ear and their functions | 1. Malleus (hammer) 2. Incus (anvil) 3. Stapes (stirrup) |
Define Rods | Sensitive to light; long thin projections |
Define Cones | Sensitive to light and color; short blunt projections |
What are the two types of glands? | Exocrine & Endocrine |
What is exocrine? | releases through a gland or duct |
What is endocrine? | releases through the bloodstream |
Define hormones: | Alter metabolic process. Bind to receptors. |
What is up-regulation? | increase in numbers of receptors in target cells which causes a decrease in hormone level |
What is down-regulation? | Decrease in numbers of receptors in target cells which causes an increase in hormone level |
What is stress? | produced in response to a stressor |
What is stressors? | initiating the stress response. |
Give some examples of stressors: | Psychological, physical, stress |
What is nervous message? | faster response |
What is endocrine message? | slower response |
List 9 major endocrine glands. | Hypothalamus, Pituitary, Thyroid, Parathyroid, Adrenal, Pancreas, Pineal, Thymus, Gonads |
Alarm stage | fight or flight response |
Resistance stage | long-term |