Nervous System

A simple nervous system ___. 

• has information flow in only one direction: away from an integrating center.
• has information flow in only one direction: toward an integrating center.
•  includes sensory information, an integrating center, and effectors.
• must include chemical senses, mechanoreception, and vision.

Most of the neurons in the human brain are ___.

• sensory neurons.
• interneurons.
• motor neurons.
• auditory neurons.

The point of connection between two communicating neurons is called ___.

• the axon hillock.
• the synapse.
• the dendrite.
• the cell body.

The operation of the sodium–potassium "pump" moves ___.

• sodium and potassium ions into the cell.
• sodium and potassium ions out of the cell. 
• sodium ions into the cell and potassium ions out of the cell.
• sodium ions out of the cell and potassium ions into the cell.

The brain lobe controlling vision is the:

• Frontal
• Occipital
• Temporal
• Parietal

Autonomic life functions such as heartbeat and breathing are centred in the:

• Amygdala
• Brain Stem
• Cerebellum
• Limbic System

Tags

NGSS.HS-LS1-3

The part of the neuron that conducts action potentials is the:

• Axon
• Dendrite
• Axon Terminal
• Cell Body

Tags

NGSS.MS-LS1-2

The neurotransmitter most associated with rewards and motivation is:

• Dopamine
• Serotonin
• GABA
• Adrenaline

The part of the neuron that receives signals is the:

• Axon
• Dendrite
• Axon Terminal
• Cell Body

Tags

NGSS.MS-LS1-2

What molecule removes neurotransmitters from the synaptic cleft?

• Acetylcholinesterase
• Dopamine
• GABA
• Acetylcholine