Bio 270 Lecture Exam 2 JMU Hynd Exam
Questions & Answers | Latest Already
Graded A+ UPDATE 2025|2026!! Questions
and Correct Answers/ Latest Update /
Already Graded
Astrocytes
Ans: glue that holds neurons in place, helps maintain ionic
concentration
Oligodendrocytes
Ans: Myelin sheath of CNS
Microglia
Ans: trashcans of brain, eat dead micro and neurons
ependymal
Ans: lining of ventricles (brain)
schwann cells
Ans: myelin sheath of PNS
All rights reserved © 2025/ 2026 |
, Page |2
Four types of glial cells
Ans: astrocytes, oligodendrocytes, microglia, ependymal
blood brain barrier
Ans: capillaries sealed with tight junctions to prevent bad stuff
from getting to the brain
parts of the forebrain
Ans: diencephalon (thalamus and hypothalamus) and cerebrum
(basal nuclei and cerebral cortex)
gyrus
Ans: elevated folds of brain
sulcus
Ans: depressed fold of brain
Broca's area of brain
Ans: speaking ability, motor
All rights reserved © 2025/ 2026 |
, Page |3
Wernicke's area of brain
Ans: Language comprehension, sensory
plasticity
Ans: brain's ability to have other areas compensate for any
damage if the damage happens young enough
electroencephalogram (alpha and beta rhythm)
Ans: EEG (brain test). Alpha- eyes closed. Beta- eyes open.
seizure
Ans: uncontrolled firing of neruons
small movement control
Ans: Basal nuclei/ganglia with thalamus
thalamus job
Ans: gets rid of extra sensory info that is not necessary to know
All rights reserved © 2025/ 2026 |