Quiz On Anatomy Of The Nervous System

20 Questions | By Jan.p1127 | Updated: Mar 21, 2022 | Attempts: 1329

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In this quiz on the anatomy of the nervous system, we look at the body’s complex series of electrical wiring responsible for sending message to and from different parts of the body, also known as nerves. What can you tell us about this system? Let’s take a look.

Questions and Answers

1.

A somatic motor neuron carries
- A.
  
  Information to signal visceral organ muscle contraction
- B.
  
  Information such as pain from the visceral in the ventral cavity to the CNS
- C.
  
  Motor commands to the skeletal muscles
- D.
  
  Information from the skin to the CNS
2.

Most synapses are found in the:
- A.
  
  The CNS
- B.
  
  Ganglia
- C.
  
  White matter
- D.
  
  The PNS
3.

Which of the following is NOT a characteristic of neurons
- A.
  
  Longevity
- B.
  
  Inability to divide
- C.
  
  High metabolic rate
- D.
  
  Ability to survive without oxygen
4.

Ganglia represent groups of:
- A.
  
  Axons
- B.
  
  Dendrites
- C.
  
  Neuron body cells
- D.
  
  Synapses
5.

The majority of neurons in the body are:
- A.
  
  Multipolar
- B.
  
  Bipolar
- C.
  
  Unipolar
- D.
  
  Pseudunipolar
6.

Which of the following structures is found only in the PNS and not in the CNS
- A.
  
  A tract
- B.
  
  White matter
- C.
  
  A ganglion
- D.
  
  Gray matter
7.

Interneurons are found only in the:
- A.
  
  Visceral nervous system
- B.
  
  CNS
- C.
  
  PNS
- D.
  
  ANS
8.

Which cells provide the myelin sheaths for the neurons in the CNS
- A.
  
  Schwann cells
- B.
  
  Astrocytes
- C.
  
  Microglial cells
- D.
  
  Oligodendrocytes
9.

Which of the following is the correct order of the components in a reflex arc:
- A.
  
  Receptor, sensory neuron, integration center, motor neuron, effector
- B.
  
  Effector, sensory neuron integration center, receptor, motor neuron
10.

White matter represents
- A.
  
  Aggregations of cell bodies in the brain
- B.
  
  Aggregations of neuron cell bodies in the spinal column
- C.
  
  Myelinated axons traveling together in the CNS
11.

Action potentials travel along the
- A.
  
  Axon membrane
- B.
  
  Dendrite membrane
- C.
  
  Cell body
- D.
  
  Satelitte
12.

The peripheral nerve fibers that would measure the degree of stretch in a the biceps brachii muscle and its tendons would be an example of a:
- A.
  
  General somatic sensory
- B.
  
  General somatic motor
- C.
  
  General visceral motor
- D.
  
  Special visceral sensory
13.

All of the following are characteristics of the dendrites except that they
- A.
  
  Have more extensive branching than axons
- B.
  
  Always conduct action potentials
- C.
  
  Conduct signals towards the cell body
14.

Myelin on axons functions to:a. make axons live longer b. store nutrients (fat) for use of the neuronc. cover the nodes of Ranvier d. speed the rate of impulse conduction and insulate the axon
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
15.

Unmyelinated axons area. thicker than myelinated axons b. are not associated with Schwann cellsc. conduct impulses more slowly than myelinated axons d. occur the PNS only
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
16.

Which of the following immediately encloses a single neuron?a. endoneurium b. perineurium c. fascicle d. indoneurium
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
17.

A man walking barefoot steps on a piece of glass. His foot jerks upwards in which type of reflexa. somatic, polysynaptic, withdrawal b. visceral, monosynaptic, stretchc. somatic, monosynaptic, withdrawal d. visceral, polysynaptic, withdrawa
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
18.

Gray matter in the CNS contains all of the following excepta. neuronal cell bodies b. neuroglia c. dendrites d. fiber tracts
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
19.

The chemical substance that is released at the axon terminal is called aa. hormone b. neurotransmitter c. synaptic vesicle d. nissl body
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
20.

In the spinal cord, the cell bodies of most interneurons line in thea. sensory ganglia b. PNS c. dorsal half of gray matter d. ventral half of white matter
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D