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Kevin’s symptoms involve abnormal contraction of muscles. Wh…
Kevin’s symptoms involve abnormal contraction of muscles. What neurotransmitter would be causing these abnormal contractions? Why did you pick that one?
The nerve conduction study showed no evidence of abnormal ac…
The nerve conduction study showed no evidence of abnormal action potentials in Kevin’s arm or leg. It also indicated there was no evidence of any demyelinating disease like MS. Kevin was becoming frustrated but his doctor continued to order tests. He now suspected that Kevin had developed Parkinson’s disease, a disorder of one of the basal nuclei of the brain that controls involuntary movement, the substantia nigra. The substantia nigra is associated with releasing dopamine, an inhibitory neurotransmitter. In order to test for this, the doctor ordered another brain scan, this time with iodine dye, to see the if the substantia nigra was the appropriate size. The substantia nigra is composed of grey matter. What type of neurons (motor, sensory, or inter) would be found in the substantia nigra and why did you choose that answer?
Excess exposure to ______ light can affect the production of…
Excess exposure to ______ light can affect the production of melatonin in the pineal gland.
Cataracts cause cloudy or blurry vision due to clouding the…
Cataracts cause cloudy or blurry vision due to clouding the organ that focuses light to effectively change its shape. This issue affects the _________.
In hopes of reducing their stress, a college student begins…
In hopes of reducing their stress, a college student begins to practice guided meditation. During meditation they are directed to use the 4-7-8 controlled breathing method. The student notices that after using this technique they have lowered heart rate, reduced respirations, and are generally calmer. This method activated their _____________ nervous system.
Which of these is involved in establishing a resting membran…
Which of these is involved in establishing a resting membrane potential?
The portion of the nervous system that regulates your stress…
The portion of the nervous system that regulates your stress (fight or flight) response is the __________ division.
If he (not forget) ______ his homework yesterday, the teache…
If he (not forget) ______ his homework yesterday, the teacher would not have been angry.
If we (prepare) ______ better for the presentation, we would…
If we (prepare) ______ better for the presentation, we would have felt more confident.