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Goblet cell hyperplasia is associated with asthma. Based on their function, what is the likely outcome of an overabundance of goblet cells?

• Excess O₂ absorption

• Decreased CO₂ absorption

• Excess mucus production

• Decreased mucus production

At the Society for Neuroscience meeting, among presentations on traumatic brain injury, schizophrenia, and Parkinson's disease, scientists also gather to discuss their research on obesity. Why are these researchers at a neuroscience meeting?

• There are few scientists interested in adipose tissue, so they joined with this meeting to save on organizational costs.

• In addition to acting as the integrating center for body temperature, the hypothalamus also regulates appetite.

• Being obese can have effects on one's self-esteem and mood.

• All scientists have an interest in obesity, since it is one of the leading public health problems today.

What branched structure allows a neuron to take in information from more than one source?

• Myelin

• Node of Ranvier

• Axon

• Dendrite

What determines the direction of the voltage change that occurs at the postsynaptic membrane?

• the number of ion channels on the postsynaptic membrane

• the type(s) of ions that travel through opened channels

• the type of second messenger system used

• the type of neurotransmitter

Different structures working together to perform a common function are recognized as a/an __.

• Cell

• Organ system

• Organ

• Tissue