Nervous and Endocrine Systems Review

What is the primary function of myelin sheaths?

• protect the neuron

• speed up signal transmission

• create axon cells

• regulate sodium-potassium pumps

Axon terminals release neurotransmitters through the process called...

• endocytosis

• pinocytosis

• exocytosis

• phagocytosis

What charge does an axon have at it's "resting membrane potential"?

• Slightly negative

• Slightly positive

• Neutral/None

The _________ is the brain structure that controls strong emotions (ex: fear, anger, sadness)

• amygdala

• medulla oblongata

• cerebrum

• cerebellum

Which part of your brain receives signals from autonomic nerves and then releases hormones to signal the pituary gland?

• amygdala

• thalamus

• hypothalamus

• medulla oblongata

The change in voltage across the cell membrane of a neuron is called...

• impulse

• threshold

• stimulus

• action potential

Heart rate, blood pressure, breathing, swallowing, and vomiting are all involuntary body mechanisms controlled by what brain structure

• thalamus

• hippocampus

• medulla oblongata

• frontal lobe

Check off all the lobes of the cerebrum

• parietal lobe

• temporal lobe

• limbic lobe

• occipital lobe

• frontal lobe

The gap between axon terminals of one neuron and dendrites of another neuron is called a...

• synapse

• motor end plate

• sarcolemma

• dendrite

Check off the 2 correct effects your parasympathetic nervous system has on your body

• increases heart rate

• lowers heart rate

• raises blood pressure

• lowers blood pressure