Special Topics Exam 2
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- Parkinson's Disease: Describe the Mechanism.
- ~Mechanism: *Destroys dopamine secreting cells in brain stem *axon terminals from these cells are in basal nuclei *lack of dopamine means neurons in basal nuclei not getting messages they need, so become non-functioning
- Parkinson's Disease: Describe the Symptoms.
- *Tremors, Rigidity, difficulty moving, impairment of memory/thinking, affects 1% of population over age of 60
- Parkinson's Disease: Describe the Cause and Treatment.
- ~Cause: Unknown ~Treatment: Al dopa
- Human Pheramones: What is the definition and function?
- ~Pheramone: chemical signal released by an organism to communicate with other members of its species. ~Function in other animals: attract mate, lead allies to food, ID kin, mark territory, warn of danger.
- Human Pheramones: How is it detected in mammals and how is it transmitted and which gland secretes it?
- ~Detected by: Vomeronasal Organ ~Transmitted: urine ~Gland: Auxillary Gland
- Lou Gehrig's Disease (ALS): What is it?
- Progressive disease where motor neurons die, at all levels of the brain and spinal cord, as they die, fire AP's randomly and causes uncontrolled visible contractions
- Lou Gehrig's (ALS): What are the symptoms and its later stages and what is unaffected?
- ~early symp: vary, muscle weakness ~Later stages: complete paralysis (stephen hawking) ~unaffected: mind
- Lou Gehrig's Diesease (ALS): How do they die and what are the stats?
- ~die: respiratory failure (muscles used to breathe) ~affects: 2/100,000 ~occurs everywhere, 10% is family history ~50% of patients die within 2 yrs of diagnosis ~drug can slow it down
- Diabetes Mellitus: Describe Type I.
- *Juvenile onset *10-15% of diabetes cases *inherited disease *insulin producing beta cells are attacked by immune system (autoimmune) *endocrine pancreas becomes less able to produce insulin *glucose can't enter cells
- Diabetes Mellitus: Describe II.
- *85-90% of diabetes cases *target cells become resistant to insulin *related to obesity and overeating *excess fat tissue may play a role *insulin producing beta cells can be overworked and die *glucose can't enter cells
- Diabetes: Describe hyperglycemia
- high glucose in blood