BSCS Biology: A Molecular Approach

Chapter 21: Nervous Systems

Organization of the Nervous System

1.
Which of the following is an effector?
A)a neuron
B)a Merkel disc
C)an axon
D)a muscle
2.
The somatic nervous system is responsible for ____ muscle contraction.
A)involuntary
B)ocular
C)heart
D)skeletal
3.
This is an illustration of a ____, a unit of the nervous system that transmits stimuli.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078664276/281029/ccq_ch21_q3a.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (25.0K)</a>
A)rod
B)stimulus
C)neuron
D)cortex
4.
The senses of sight, hearing, taste, smell, and touch are centered in what part of the brain?
A)cerebrum
B)cerebellum
C)medulla
D)myelin sheath
5.
The membrane that surrounds the larger axons of many vertebrate neurons is called a ____.
A)nucleus
B)ganglia
C)myelin sheath
D)medulla
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.