PNB 3251 Final Exam Questions and Answers 100% Solved
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Course
PNB 3251
Institution
PNB 3251
PNB 3251 Final Exam Questions and
Answers 100% Solved
The map of olfactory responses in the olfactory bulb is considered evidence
of a ________ code.
labeled line
sparse
spatial
somatotopic - Sparse
Which of these is a type of taste bud papillae
Foliate
Vallite
Epiform
Foliform - Foliate
The hebbian theory of synaptic plasticity predicts which of the following
- Desynchronized inputs will cooperate and strengthen.
- Strong synaptic inputs firing repeatedly will desensitize and weaken.
- A weaker synaptic input that is coactive with stronger inputs will
cooperatively strengthen.
- Synchronized inputs will compete for synaptic space with each other. -
✔✔A weaker synaptic input that is coactive with stronger inputs will
cooperatively strengthen.
If glutamate is applied to an isolated ON bipolar cell, then the cell
hyperpolarizes because....
- glutamate gated ion channels open.
- Potassium channels open.
- the cell hyperpolarizes after an action potential.
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