BIOD 152 Exam 1 Questions

BIOD 152 Exam 1 Questions

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BIOD 152 Exam 1 Questions

• This is a bundle of axons found in the peripheral nervous system

Answer: Nerve

• This is a collection of cell bodies found in the peripheral nervous system

Answer: -Ganglia

• This part of the autonomic system accelerates the heart beat and increases breathing rate

Answer: Sympathetic Nervous System

• This part of the autonomic system increases digestion.

Answer: Parasympathetic

• The ventral root of a nerve contains what kind of neurons?

Answer: Motor/Efferent

• The dorsal root of a nerve contains what type of neurons?

Answer: Sensory/Afferent

• This part of a neuron conducts nerve impulses away from the cell body

Answer: -Axon

• This part of a neuron conducts nerve impulses towards the cell body.

Answer: Dendrite

9. An interneuron inside the spinal cord is part of the:

Answer: Central nervous system

10. True or false: Neurons come into direct physical contact with one another

Answer: False (Neurons do not physically touch, they are separated by synapses)

• Describe the synthesis and storage of neurotransmitters

Answer: The neuron cell body manufactures neurotransmitters, which are stored in secretory vesicles at the end of axon terminals

• Describe the function and release of neurotransmitters

Answer:

• Neurotransmitters are chemicals stored in secretory vesicles (axon terminal vesicles) at the

end of axon terminals

• When neurotransmitters are released by the axon terminal vesicles, they carry the transmission

of the nerve impulse from one neuron to another

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