Topic 2 test

A role of the spinal cord is to

• protect the spinal column.

• initiate voluntary muscle movements.

• connect the brain and central nervous system.

• connect the brain and peripheral nervous system.

You are working quietly in the library when a friend sneaks up from behind and scares you, making your heart race. At this time, your _____ nervous system would be dominant.

• parasympathetic

• sympathetic

• somatic

• central

Sensory pathways carry information to the _____ and motor pathways carry information from the _____

• somatic nervous system; peripheral nervous system

• central nervous system; somatic nervous system

• central nervous system; central nervous system

• peripheral nervous system; peripheral nervous system

Which of the following is not a form of synaptic plasticity?

• neurotransmission

• long-term depression

• dendritic sprouting

• synaptic pruning

The neurotransmitter _____ is associated with the experience of pleasure and motivation; whereas _____ is associated with the experience of relaxation and calmness.

• serotonin; dopamine

• dopamine; serotonin

• serotonin; GABA

• glutamate; GABA

Communication within neurons is _____; whereas communication between neurons is _____

• inhibitory, excitatory

• excitatory, inhibitory

• electrical, chemical

• chemical, electrical

The process through which new connections are made between active neurons to create alternate neural pathways in response to a brain injury is called synaptic

• formulation

• sprouting

• pruning

• rerouting

A mosquito lands on your arm. You watch it carefully then move your hand to swat it. Your sensation and response are due to _____ activity.

• spinal reflex

• autonomic nervous system

• somatic nervous system

• parasympathetic nervous system

Regulation of the sleep–wake cycle is predominantly influenced by

• serotonin

• glutamate

• dopamine

• GABA

Too little dopamine in the brain is most strongly associated with

• sleep disorders.

• mood disorders.

• Parkinson’s disease.

• schizophrenia.