Chapter 13: Nervous System Cells

Chapter 13: Nervous System Cells

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below 

 

Chapter 13-A: Nervous System Cells

 

Test Bank

 

TRUE/FALSE

 

1. The nervous system consists of the brain, spinal cord, and nerves.

 

ANS:   T                      DIF:    Memorization                                     REF:    Page 381

TOP:    Nervous System Cells Introduction

 

2. The afferent nervous system consists of all outgoing motor pathways.

 

ANS:   F                      DIF:    Memorization                                     REF:    Page 383

TOP:    Afferent and Efferent Divisions

 

3. Multiple sclerosis is the most common primary disease of the CNS.

 

ANS:   T                      DIF:    Memorization

REF:    Page 386 (Box 12-2)                          TOP:    Multiple Sclerosis (MS)

 

4. Ependymal cells engulf and destroy microbes and cellular debris in inflamed or degenerating brain tissue.

 

ANS:   F                      DIF:    Synthesis        REF:    Page 392

TOP:    Repair of Nerve Fibers

 

5. Oligodendrocytes form myelin sheaths around nerve fibers in the CNS.

 

ANS:   T                      DIF:    Memorization                                     REF:    Page 384

TOP:    Glia

 

6. Nerve fibers with many Schwann cells forming a thick myelin sheath are called myelinated fibers, or gray fibers.

 

ANS:   F                      DIF:    Memorization                                     REF:    Page 387

TOP:    Glia

 

7. Small, lipid-soluble molecules can diffuse easily across the blood-brain barrier.

 

ANS:   T                      DIF:    Memorization

REF:    Page 387 (Box 13-1)                          TOP:    The Blood-Brain Barrier

 

8. Most of the neurons in the brain and spinal cord are unipolar.

 

ANS:   F                      DIF:    Memorization                                     REF:    Page 390

TOP:    Structural Classification

 

 

MULTIPLE CHOICE

 

1. The efferent pathways of the autonomic nervous system consists of the _____ nervous systems.

a.	peripheral and afferent
b.	sympathetic and parasympathetic
c.	sympathetic and efferent
d.	parasympathetic and somatic

 

ANS:   B                     DIF:    Memorization                                     REF:    Page 383

TOP:    Somatic and Autonomic Nervous Systems

 

2. A neuron that transmits a nerve impulse toward the central nervous system is called a(n):

a.	motor neuron.
b.	sensory neuron.
c.	interneuron.
d.	bipolar neuron.

 

ANS:   B                     DIF:    Memorization                                     REF:    Page 383

TOP:    Afferent and Efferent Divisions

 

3. The largest and most numerous type(s) of neuroglia is(are) the:

a.	astrocytes.
b.	microglia.
c.	ependymal cells.
d.	oligodendrocytes.

 

ANS:   A                     DIF:    Memorization                                     REF:    Page 384

TOP:    Glia

 

4. Which of the following is not a function of the central nervous system (CNS)?

a.	Integrating sensory information
b.	Evaluating the information
c.	Initiating an outgoing response
d.	All of the above are functions of the CNS.

 

ANS:   D                     DIF:    Memorization                                     REF:    Page 382

TOP:    Central and Peripheral Nervous Systems

 

5. The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is the:

a.	somatic nervous system.
b.	autonomic nervous system.
c.	central nervous system.
d.	afferent division.

 

ANS:   A                     DIF:    Memorization                                     REF:    Page 383

TOP:    Somatic and Autonomic Nervous Systems