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Unit 4 Mock Question

QuestionAnswer
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
Created by: alejoh9987
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