Learning Curve: intro to neuroscience and the neuron

Which statement does NOT describe a means by which drugs affect the nervous system?

Drugs damage and degrade neurotransmitters

Parris is studying for her psychology class, and she is trying to memorize the three basic parts of a typical cell called an ____. She arranges them in alphabetical order and repeats them to herself several times: axon, cell body, dendrites.

Neuron

In response to an exam question, Leilani accurately draws a picture of a neuron and indicates the sequence of events that are typically involved when a neuron communicates. She notes that information is carried from:

The dendrites to the cell body and then along the axon to the axon terminals and the synapse.

Which statement is true? The shape of a neurotransmitter must be an exact fit for the receptor site. The number of neurotransmitters that a neuron manufactures does not vary. There are at least 500 neurotransmitters that function in the brain. Each type of neurotransmitter has the same shape.

The shape of a neurotransmitter must be an exact fit for the receptor site.

If the neurotransmitter dopamine is released into the synapse, and the receiving dendrites have dopamine and serotonin receptors, the dopamine

can bind only to the dopamine receptors

Drugs can specifically target certain behaviors because neurons

communicate along certain pathways and have specific receptor sites for different neurotransmitters.

Which neurotransmitter is associated with pleasure and plays a role in drug addiction?

dopamine

Carla has been given an antidepressant medication known as Prozac. A medication such as Prozac is effective because it _______ of the neurotransmitters serotonin.

inhibits reuptake

The neurons that carry outgoing information from the brain and spinal cord to the body's muscles and glands are the _____ neurons

motor

Marlee has just been diagnosed with multiple sclerosis (MS). As the disease progresses, communication to some of her muscles may slow down and she could lose some muscle control as a result of the degeneration of the:

myelin sheath

Bobby is studying for a psychology exam. Using his brain's 90 billion nerve cells, or _______, and roughly 100 trillion points of communication, he looks out the window and is able to see birds flying around outside.

neurons

Dr. Stack studies the function and structure of the brain. Dr. Stack's area of research is

neuroscience

the scientific study of the nervous system, which included the scientific discipline of biological psychology is known as

neuroscience

Toby's specialty in his graduate program is the study of the nervous system. Toby is likely training to be an:

neuroscientist

If a neuron was compared with a prison, the sodium ions could be compared with the _____ when the neuron is at the resting potential.

prisoners

Acetylcholine is a neurotransmitter involved in:

producing muscle contraction, learning, and memory

The ____ refers to the neuron in its naturally charged state.

resting potential

If a neuron was compared with a prison, the _____ could be compared with the prisoners when the neuron is at the resting potential.

sodium ions

Devan is studying for his midterm and is quizzing himself on the topic of neurons. He is trying to figure out what that "tiny space" is where neurons connect. You tell him that he is correct if he guesses the:

synaptic gap

A neuron in your body is exposed to an excitatory message. What will likely happen?

your neuron is more likely to generate an action potential