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Choose ONE of the following to respond to.  1. Tetrodotoxin (TTX) is a potentially fatal neurotoxin produced by cone snails, pufferfish, and blue-ringed octopuses. TTX acts by blocking voltage-gated sodium channels, causing them to remain closed. What effect would TTX poisoning have on a neuron, and why would these effects be fatal?   OR   2. Parkinson’s disease is a neurological disorder in which cells in the basal ganglia die off, resulting in impaired motor function. A secondary result of Parkinson’s is that neurons that produce norepinephrine also die off.  What part of the nervous system would be most affected by the loss of norepinephrine, and what would be the effects?

When you view objects close to the eye, the eye makes an adjustment called_________.

Which of the following correctly distinguishes upper motor neurons from lower motor neurons?

Which of the following ions has the greatest effect on resting membrane potential?

Axons from all regions of the retina converge on the_________ and exit the eye by way of the optic nerve.

Which stage in Erikson’s Theory describes intimacy versus isolation?

Former Vice-President Kamala Harris and Former President, Barack Obama faced unique struggles growing up due to the fact they were of biracial or multiracial ethnicity.

On again, off again romantic relationships in which couples break up and then get back together over and over is called:

For emerging adults in their 20’s, staying in the family nest is now considered to be a personal failure.

Social media addiction signals poor mental health.