Brain Test: Neuron, NTs, Brain Structure and Studying the Brain

Front

During a class discussion on neurological disorders, Jadyn asked about the depletion of neurotransmitters in Alzheimer’s disease. Which of the following neurotransmitters is most closely associated with the symptoms that Mrs. Downing is likely experiencing? Dopamine, Acetylcholine, Gamma-aminobutyric acid (GABA), Norepinephrine

Back

Acetylcholine

Front

Betty was just diagnosed with multiple sclerosis. Which of the following effects is she most likely to experience? The neurons in her body will not be able to reach threshold, leading to fatigue. Depolarization in her neurons will not occur, causing sensory impairment. Neurotransmitters will remain in the synapse for an extended period, causing memory loss. Neural messages will travel slowly down the axon, leading to motor impairment.

Back

Neural messages will travel slowly down the axon, leading to motor impairment.

Front

The neurotransmitter primarily associated with the feeling of wanting something is

Back

dopamine

Front

What is the brief time period when a neuron is unable to fire after firing?

Back

the refractory period

Front

Ava accidentally touched a hot stove and quickly pulled her hand back. Information about the heat and pain was relayed to her spinal cord by which of the following?

Back

sensory neurons

Front

Mackenzie participates in an exercise program because she experiences an increase in energy and feelings of well-being at the end of each exercise session. The best explanation for Mackenzie’s perseverance in the program is that exercise

Back

increases her levels of endorphins

Front

Ava takes a medication that prevents the neurotransmitter serotonin from being reabsorbed into the neuron after it fires. Which of the following is the correct term for this process?

Back

reuptake

Front

Which neurotransmitter has been most associated with major depressive disorder? Acetylcholine, Dopamine, Serotonin, Gamma-aminobutyric acid (GABA)

Back

Serotonin

Front

If someone suffers significant damage to a part of their brain and falls into a deep coma, from which they cannot awaken, which part of the brain is most likely affected?

Back

Reticular formation

Front

After sustaining a traumatic injury, Aleigha is having difficulty comprehending the meaning of words. Which part of her brain has most likely been damaged?

Back

Wernicke's area