Bio
BIO 669 QUIZ 2 QUESTIONS & VERIFIED
ANSWERS| GRADE A| 100% CORRECT
(NEW 2024/ 2025 UPDATE)
What is Wallerian degeneration? - ANS ✓degeneration of a nerve fiber that
has been separated by an injury or disease
What is a synapse? - ANS ✓Gap between neurons
What is temporal summation? - ANS ✓time
What is spatial summation? - ANS ✓distance
second messenger system - ANS ✓Receptors may be this kind, meaning they
activate another molecule inside the cell to make changes.
What is the reticular formation? - ANS ✓Network of connected nuclei that
regulate vital reflexes, such as cardiovascular and respiratory function
frontal lobe function - ANS ✓primary motor area and limbic systems
Bio 669
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parietal lobe - ANS ✓somatic sensory input
occipital lobe - ANS ✓primary visual cortex
temporal lobe - ANS ✓primary auditory cortex
What is the basal ganglia? - ANS ✓a group of structures linked to the thalamus
in the base of the brain and involved in coordination of movement.
upper motor neuron syndrome - ANS ✓hemiparesis or hemiplegia
diplegia
paraparesis and paraplegia
quadriparesis or quadriplegia
pyramidal motor syndromes
spinal shock
lower motor neuron syndrome - ANS ✓Flaccid paralysis/paresis, hypotonia,
hyporeflexia, fibrillation, muscle atrophy
What is Amyotrophic Lateral Sclerosis (ALS)? - ANS ✓neurodegenerative
disorder affecting upper and lower motor neurons
Bio 669