What do astrocytes do - Study guides, Class notes & Summaries

SPLH 620 EXAM 1 Questions with Correct Answers What does the nervous system do? - Answer-1. controls and coordinates all body functions 2. senses and interprets information from outside the body 3. transmits info 4. integrate info 5. generate comands Parts of a neuron - Answer--cell body -dendrite -axon Cell body (soma) - Answer-integrates signal Dendrites - Answer-a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body Axons - ...

Excitatory synapses make the post-synaptic cell less likely to fire. - ANSWER-False The neural tissues are: - ANSWER-Spinal cord, sensory neurons, and brain How do the glial cells (i.e., myelin sheath) speed up the firing of neurons? - ANSWER-The cell wraps extensions of a fatty insulating substance (myelin) around the axons of neurons. The action potential is: - ANSWER-A result of the movement of ions. Receptors are made from membrane-bound polyribosomes. - ANSWER-True List the 4...

Describe the basic embryological process behind development of the neural tube - Answer-- the* notochord* induces overlying ectoderm to differentiate into neuroectoderm and form the neural plate (day 18) - the neural plate invaginates to form the *neural tube* and at the same time, cells demarginated from the invaginating tube to form the *neural crest cells* What are the basal and alar plates? What do they give rise to? - Answer-The alar and basal plates are basically the dorsal and vent...

BIOL 235 Midterm 2 Exam Questions and Answers 100% Pass between the origin and insertion which is usually located proximally in limbs ? - Answer- Origin What happens during REVERSE MUSCLE ACTION? - Answer- specific movements of the body the actions are reversed THEREFOR the positions of the origin and insertion of a muscle are switched What is a mechanical advantage using the example of a lever? - Answer- if the load is closer to the fulcrum and the effort is farther from the fulcrum onl...

SPLH 620 EXAM 1 Questions with Correct Answers What does the nervous system do? - Answer-1. controls and coordinates all body functions 2. senses and interprets information from outside the body 3. transmits info 4. integrate info 5. generate comands Parts of a neuron - Answer--cell body -dendrite -axon Cell body (soma) - Answer-integrates signal Dendrites - Answer-a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body Axons - Ans...

SPLH 620 Exam 1 Questions with Complete Solutions What kind of jobs does the nervous system perform? - Answer-1. Controls body functions 2. Transmits information 3. Receives sensory input from internal and external environments What are the two approaches to the mind-body problem? - Answer-1. Dualism -Mind and body are separate »mind is a uniquely human attribute that is not constrained by physical laws 2. Monism -Mind is a property of a physical nervous system What are the maj...

BIOL 235 Midterm 2 Exam Questions and Answers 100% Pass between the origin and insertion which is usually located proximally in limbs ? - Answer- Origin What happens during REVERSE MUSCLE ACTION? - Answer- specific movements of the body the actions are reversed THEREFOR the positions of the origin and insertion of a muscle are switched What is a mechanical advantage using the example of a lever? - Answer- if the load is closer to the fulcrum and the effort is farther from the fulcrum onl...

CBE 564 Final Quizlet [3/23] BBB - correct answer -- Astrocytes - correct answer -star-shaped -biochemical support -nutrients, ion balance -repair after injury Pericytes - correct answer -wrap around capillaries -blood flow -maintain BBB -immune cell entry Microglia cells - correct answer -immune cells in the brain -scavenge for plaques; damaged or unused neurons or synapses, or infectious agents -survey environment, send and receive signals -Phenotype change, become more reac...

EXAM MN 551 ADVANCED PATHOPHYSIOLOGY FINAL EXAM QUESTIONS AND ANSWERS GRADE A+ Do women or men more often have multiple sclerosis? - ANSWERS IS- Women (2-3:1) Which disease has the following risk factors: -Epstein-barr virus (EBV) -Live above the 37th parallel -Caucasian -Female -Vitamin D deficiency: Decreased time between clinical isolated syndrome (CIS) and 2nd exacerbation -Smoking - ANSWERS IS- Multiple Sclerosis What is the main pathophysiological theory for multiple sclerosis...

SPLH 620 Exam 1 Questions with Complete Solutions What kind of jobs does the nervous system perform? - Answer-1. Controls body functions 2. Transmits information 3. Receives sensory input from internal and external environments What are the two approaches to the mind-body problem? - Answer-1. Dualism -Mind and body are separate »mind is a uniquely human attribute that is not constrained by physical laws 2. Monism -Mind is a property of a physical nervous system What are the major...