BIO 255- TEST 2 Questions and Answers

BIO 255- TEST 2 Questions and
Answers
Which of the following best describes the direction and function of efferent signals? -
answer-away from CNS to cause effect on glands, muscle

efferent nervous system - answersomatic
sympathetic
parasympathetic

Autonomic nervous system - answerParasympathetic pathways
Sympathetic pathways
Adrenal sympathetic pathways

ganglion - answerA location outside of the central nervous system where autonomic
signals can synapse
-cluster

preganglionic autonomic neuron - answerA neuron that delivers an action potential from
the central nervous system to another neuron in the peripheral nervous system

somatic motor neuron - answerA neuron that delivers an action potential from the
central nervous system to a skeletal muscle

A neuron that receives an action potential from another neuron and then delivers that
action potential to a smooth muscle - answerpostganglionic autonomic neuron

targets of the efferent nervous system - answer-cardiac muscle
-skeletal muscle
-glands
-smooth muscle

The division of the efferent nervous system that controls smooth and cardiac muscles
and many glands is the __________ division - answerautonomic

Neurons in the parasympathetic pathway use which of the following neurotransmitters?
- answerAcetylcholine

Sympathetic pathways originate in which regions of the spinal cord? - answerThoracic
and lumbar

The target tissues of somatic motor neurons are __________. - answerskeletal muscles