SGL Case 4 PreCase Quiz

Question 1

The functional unit of the nervous system is a highly specialized, excitable cell called a

Answer 1

Nerve cell or neuron

Question 2

Neurons consist of what three components

Answer 2

1. Soma or cell body
2. Dendrites
3. Axon

Question 3

The soma contains the _______ and its surrounding _______

Answer 3

The soma contains the nucleus and its surrounding cytoplasm (perikaryon)

Question 4

Processes that arise as multiple tree-like branches of the soma

Answer 4

Dendrites
They form a dendritic tree collectively

Question 5

The entire surface of the dendritic branches is covered by small protrusions called ________

Answer 5

dendritic spines

Question 6

___________ establish numerous axonal synaptic connections

Answer 6

Dendritic spines

Question 7

Neurons have a _______ originating from the soma at the axon hillock

Answer 7

single axon

Question 8

Neurons have a single axon originating from the soma at the axon hillock and ending in a terminal arborization, the ________

Answer 8

Telodendron

Question 9

Each terminal branch of the ________ has an enlarged ending, the synaptic terminal

Answer 9

Telodendron

Question 10

Axons branch at their ______ end(the telodendron)

Answer 10

distal

Question 11

The ___________and the _________are specialized for the reception and integration of information.

Answer 11

The surface membrane of the soma and the dendritic tree are specialized for the reception and integration of information

Question 12

The _______ is specialized for the transmission of information in the form of an action potential or a nerve impulse.

Answer 12

The axon

Question 13

Different types of neurons can be identified on the basis of _____ and ___________

Answer 13

Number and length of processes emerging from the soma

Question 14

_______ display many processes attched to a polygonal-shaped soma.

Answer 14

Multipolar neurons

Question 15

______ include a single axon and more than one dendrite

Answer 15

multipolar neurons

Question 16

_______ neurons are the most abundant neurons in the nervous system

Answer 16

Multipolar neurons

Question 17

Pyramidal cells of the cerebral cortex and Purkinjie cells and neurons are examples of what type of neuron

Answer 17

Multipolar neurons

Question 18

______ neurons have two processes.

Answer 18

Bipolar neurons

Question 19

What neurons are typical of the visual, auditory, and vestibular system

Answer 19

Bipolar neurons

Question 20

_______ neurons have only one short process leaving the cell body

Answer 20

Pseudounipolar neurons

Question 21

Which neurons are localized in sensory ganglia of cranial and spinal nerves?

Answer 21

Pseudounipolar neurons

Question 22

Pseudounipolar neurons derive from _______

Answer 22

bipolar neuroblasts and the two neuronal processes fuse during later development