Exam 22: Attention Deficit Disorder: Brain Structure and Function

________ occurs when potassium ions diffuse out of a nerve cell and the inside of the cell again becomes more negative than the outside.

The function of which of the following household appliances accurately describes the removal of neurotransmitters from the synapse?

The expression "knee-jerk reaction" refers to someone doing something automatically without thinking. In biological terms, which of the following statements is true regarding this expression?

Which of the following is a general sense?

Action potential begins when which of the following occurs?

Decreased myelination of an axon would ________ the speed at which the electrochemical impulse travels down the axon.

Which part of the brain is responsible for controlling muscle movement, balance, and coordination?

Which of the following are specialized cells that receive and respond to stimuli?

Which of the following is a special sense?

An individual has been diagnosed with multiple sclerosis (MS), which is a disease that leads to deterioration of the myelin sheath that covers some neurons. What is a likely physical symptom of this disease?

Huntington's disease is a fatal disorder characterized by abnormal muscle movements called chorea. Based on your knowledge of the nervous system, which brain region below represents the area of the brain disrupted by Huntington's disease?

Abnormal levels of the neurotransmitter ________ may be involved in producing the symptoms of ADD.

Prozac is used as an antidepressant and acts by inhibiting the reuptake of which of the following neurotransmitters in neuronal synapses?

The loss of dopamine leading to motor symptoms, including tremors, rigidity, and slowed movements, is thought to underlie

Higher brain functions, such as creativity and analytical skills, are centered in the

The sudden withdrawal of one's hand from a hot stove is an example of

A drug that caused sodium to leak into a neuron would

What are sensory receptors?

Which of the following is directly associated with synaptic transmission?

A drug called ouabain specifically inhibits the sodium-potassium pump present in neuron cells. Over time, this action of ouabain would cause