Chapter 1.5 (page 10)

Question 1

Reflexes are rapid automatic responses to stimuli in which a particular stimulus always causes
the same motor response. These types of neural pathways are called ___________.

Answer 1

Reflex arcs

Question 2

What are the 5 essential components of reflex arcs?

Answer 2

Receptor

Sensory neuron

CNS integration

Motor neuron

**Effector **

Question 3

TRUE or FALSE

There are autonomic reflexes that regulate smooth muscles, the heart and glands.

Answer 3

TRUE

Question 4

Where can receptors be found?

Answer 4

at the beginning of dendrites of sensory neurons

specialized cells that interpret sensation

Question 5

Nerve impulses, generated by stimulation of the sensory receptors, travel along the sensory neuron’s dendrite to the cell body located in the ____________________ (a group of nerve cell bodies in the PNS located near the spinal cord).

Answer 5

Dorsal root ganglion

Question 6

What is the junction or space between the two neurons called?

Answer 6

Synaptic gap

Question 7

What neurons are included in a three-neuron reflex arc?

Answer 7

Sensory Neuron

Motor Neuron

Interneuron