Lab 11

Question 0

What cells are responsible for sending out action potentials?

Answer 0

Neurons

Question 1

2 cell types found in nervous tissue

Answer 1

Neurons

Neuroglia cells

Question 2

Another name for action potentials

Answer 2

Nerve impulses

Question 3

What neuron structures contains the nucleus?

Answer 3

Body

Question 4

What neuron structure receives messages from other neurons?

Answer 4

Dendrites

Question 5

What structure produces and transmits action potential?

Answer 5

Axon

Question 6

What do nuclei and ganglia have in common?

Answer 6

They are both clusters of cell bodies

Question 7

How are nuclei and ganglia different?

Answer 7

Nuclei: central nervous system
Ganglia: peripheral nervous system

Question 8

What is an axolemma?

Answer 8

An axons plasma membrane

Question 9

Where does a neuron store it’s synaptic vesicles containing neurotransmitters?

Answer 9

Axon terminal

Question 10

What is the purpose of neurotransmitter release?

Answer 10

Sends messages to a target, can be another neuron across a synaptic cleft

Question 11

Function of dendrites

Answer 11

They receive messages from other neurons, transmit messages to neurons cell body

Question 12

Can dendrites produce action potentials?

Answer 12

No

Question 13

What is the most common type of neuron?

Answer 13

Multipolar

Question 14

Which are less common and associated with sensory functions?

Answer 14

Bipolar and unipolar

Question 15

What is the function if the synapse?

Answer 15

Junction where neurons communicate with one another

Question 16

Presynaptic neuron

Answer 16

Sends messages, contains neurotransmitters packaged in synaptic vesicles in its axon terminals

Question 17

Synaptic cleft

Answer 17

Small space in nmj where two neurons are separated, filled with ECF through which neurotransmitters diffuse when they are released from synaptic vesicles

Question 18

Post synaptic neuron

Answer 18

Receives message, plasma membrane contains receptors for neurotransmitters. When neurotransmitters bond to receptors, the membrane potential changes

Question 19

Which cell type is smallest and most abundant?

Answer 19

Neuroglia