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

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

1. Which glial are responsible for maintaining the integrity of the extracellular fluid that surrounds neurons? A) Oligodendrocytes B) Astrocytes C) Microglial cells D) Stellate cells - B) Astrocytes 2. At what point do the sensory axons from the periphery enter the spinal cord? A) Central nuclei B) Ventral nuclei C) Dorsal root ganglia D) Ventral white matter - C) Dorsal root ganglia 3. Some neurons have long axons that stretch from one part of the CNS to another. What are these c...

CBNS 106 Midterm Test Questions & Answers 2024/2025 What is neuroscience? - ANSWERSThe study of all aspects of all the nervous systems. The continuum of neuroscience? - ANSWERSMolecular, cellular, systems, behavioral, mind What are the two major components of the brain? - ANSWERSNeurons and Glia What are the neurons function? - ANSWERSTo receive, integrate and transmit information. How many types of glia are there? - ANSWERSThree What is the function of oligodendrocytes and s...

BIOL 235 Midterm 2 Exam Questions and Answers Latest Updated | Graded. between the origin and insertion which is usually located proximally in limbs ? - Origin What happens during REVERSE MUSCLE ACTION? - 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? - if the load is closer to the fulcrum and the effort is farther from the fulcrum only a small ab...

NR507 / NR 507 (Latest 2023 / 2024) : Advanced Pathophysiology Final Exam Do women or men more often have multiple sclerosis? - ANSWER 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 - ANSWER ...

BIOL 3240 Exam 1 | Questions and Answers (Complete Solutions) What are the two major cell types in the brain? Neurons; glial cells What are some ways cell types can be defined? morphology; transcription profile; cell properties, function; context Two characteristics of neurons asymmetrical, excitable There are ____ major types of glial cell five A neuron is a post ____ cell Mitotic Neurons are both _____ and _____ excitable chemically, electrically _________ neurons have only one process that ...

BIOL 235 Midterm 2 Review between the origin and insertion which is usually located proximally in limbs ? - Origin What happens during REVERSE MUSCLE ACTION? - 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? - if the load is closer to the fulcrum and the effort is farther from the fulcrum only a small about of effort is needed to move the l...

BIOL 235 Midterm 2 Exam Questions and Answers Latest Updated | Graded. between the origin and insertion which is usually located proximally in limbs ? - Origin What happens during REVERSE MUSCLE ACTION? - 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? - if the load is closer to the fulcrum and the effort is farther from the fulcrum only a small ab...

_____ bring a cell to threshold while _____ bring a cell further from threshold - ️️EPSPs; IPSPs Describe the mechanism of fusimotor drive - ️️muscle spindles are parallel to extrafusal fibres; the extrafusal fibres shorten when they contract, and the gamamotorneuron causes the intrafusal fibres to contract in order to maintain tension in the centre of the muscle spindle so it is still able to detect muscle stretch thoughout the entire ROM What things determine the type of cell tha...

Information flows through neurons from ____ to ____ in the neuron - Answer-dendrite; axon _____ bring a cell to threshold while _____ bring a cell further from threshold - Answer-EPSPs; IPSPs What 3 main things is neuroplasticity capable of? - Answer-- changing the properties of neurotransmission - changes in cell properties - structural/ anatomical changes of cells How does neuroplasticity change the properties of neurotransmission? (2) - Answer-- change in transmitter size - change in ...