A&P Exercise 19 Questions

Define threshold voltage in nerve conduction

minimum voltage required for nerve conduction

Define maximum recruitment voltage in nerve conduction

voltage at which all the neurons of a particular nerve are stimulated

Which structure receives a stimulus from the external environment and relays it to the sensory neuron?

receptor

What is another name for an efferent neuron?

motor neuron

Define reflex

a motor response to a stimulus without conscious thought

In what kind of reflex are there just two neurons?

monosynaptic reflex

Polysynaptic reflexes have something not found in a monosynaptic reflex. What is it?

interneurons

In terms of numbers of synapses, what kind of reflex is a patellar reflex?

monosynaptic reflex

After surgery, patients leave the operating room and are transferred to an area called the recovery room. Correlate the meaning of the word recovery in this context with what you have learned in this exercise about the recovery of nerves.

this refers to the process where the patients body transitions from a hyporeflexic, inhibited state under anesthesia back to a normal, stable physiological condition.

What action occurs with a hyperreflexic response?

showing an exaggerated response

What action occurs with a hyporeflexic response?

showing a less-than-average response