PSIO 305 Exam 1 Material for study

PSIO 305 Exam 1 Material for study /| /| /| /| /| /|




1. Why does Systemic Communication occur?
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2. Involves (3):
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3. Why? - CORRECT ANSWERS ✔✔1. To prompt cells, organs, and
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systems to DO something /| /| /|




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- Response to momentary stimulus
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- Can be acute or short-term
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- May be an integrated system response
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3. To maintain homeostasis of Critical Physiological Processes
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4. Why else is systemic communication used? (3)
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--> These are generally:
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Slow/Fast onset and short/long lasting - CORRECT ANSWERS ✔✔4.
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- Supportive reasons (nutrition)
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- Proliferation - cell growth
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- Maintenance of cell and tissue function
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--> Slow onset and long lasting
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,With Duchenne Muscular Dystrophy (DMD), bone and muscle loss
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grow in parallel despite what condition? - CORRECT ANSWERS
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✔✔Deficit in muscle protein, dystrophin /| /| /| /|




Ex. 3 /|




1. Exposure to novel/enriched environment resulted (2):
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2. What is the underlying mechanism? - CORRECT ANSWERS ✔✔1.
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Exposure to novel/enriched environment resulted in enlargement
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of specific areas of cerebral cortex and changes in dendrites
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2. BDNF
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*BDNF*


1. Stands for:
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2. This is the main factor involved with _____
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3. Increased (Aerobic/Anaerobic) exercise -
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> (Increased/Decreased) BDNF
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--> The over-all effect of this will be - CORRECT ANSWERS ✔✔1.
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Brain Derived Neurotrophic Factor
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2. Exercise
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3. Increased Aerobic -> Increased BDNF
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--> Increased cognition & memory
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List the 6 diseases that cause decreased BDNF
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, BDNF is not only made here, but ALSO where? - CORRECT
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ANSWERS ✔✔1. Obesity /| /|




2. Type 2 diabetes
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3. Cardiovascular disease
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4. Depression
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5. Cognitive Impairment
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6. Dementia
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Neurons in brain, but ALSO in muscle (post-exercise)
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Ex. 4 - Grasshopper
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1. Aside from the muscle in the leg that is lost with leg amputation
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in the grasshopper, what other effect takes place? (1)
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2. What type of communication is this? - CORRECT ANSWERS ✔✔1.
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Considerable atrophy of the thorax (thoracic muscles)
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2. Trophic (or tropic_
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*Tropic communication* /|




1. Its greek root "Trophikos" means
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2. It promotes what 3 things?
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3. Effects are (long/short) term?
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