Question 1

List and describe the organization hierarchy of the peripheral nervous system.

Accepted Answer

The answer of List and describe the organization hierarchy of...

Question 2

Which of the following would be most likely to increase heart rate?

Accepted Answer

A)  Activation of preganglionic sympathetic neurons 
B)  Diminished activation of postganglionic sympathetic neurons 
C)  Activation of preganglionic parasympathetic neurons 
D)  Activation of postganglionic parasympathetic neurons

Question 3

Which nervous sytem is responsible for delivering voluntary motor signals from the CNS to muscles throughout the body?

Accepted Answer

A)  Somatic Nervous System 
B)  Central Nervous System 
C)  Autonomic Nervous System 
D)  Extrapyramidal System

Question 4

Which of the following lists the components found in a synapse?

Accepted Answer

A)  Axon terminal, synaptic cleft, and postsynaptic terminal 
B)  Axon terminal, synaptic space, and postsynaptic terminal 
C)  Dendritic spine, soma, and synaptic cleft 
D)  Soma, synaptic cleft, and receptor

Question 5

A researcher found that a drug increased heart rate.Which nervous system was the drug most likely acting upon?

Accepted Answer

A)  Central Nervous System 
B)  Somatic Nervous System 
C)  Extrapyramidal System 
D)  Autonomic Nervous System

Question 6

Damage to the hippocampus would likely cause impairments to long-term memory formation.

Accepted Answer

A) True 
 B)False

Question 7

List and describe a primary function of each lobe of the brain.

Accepted Answer

The answer of List and describe a primary function of...

Question 8

If a drug severely depressed the functioning of the medulla,which of the following might be likely to occur?

Accepted Answer

A)  The person may have constricted pupils. 
B)  The person may have an increase in heart rate. 
C)  The person may stop breathing. 
D)  The person may have motor tremor.

Question 9

The thalamus routes all types of sensory information except:

Accepted Answer

A)  visual information. 
B)  auditory information. 
C)  olfactory information. 
D)  touch information.

Question 10

The hills on the surface of the brain are referred to as:

Accepted Answer

A)  meninges. 
B)  sulci. 
C)  ventricles. 
D)  gyri.

Question 11

The reticular activating system includes all of the following structures except:

Accepted Answer

A)  tegmentum. 
B)  thalamus. 
C)  reticular formation. 
D)  hippocampus.

Question 12

The midbrain contains the:

Accepted Answer

A)  corpus callosum. 
B)  thalamus. 
C)  medulla. 
D)  inferior colliculus.

Question 13

The inhibitory extracelluar matrix consists of chemicals that:

Accepted Answer

A)  increase the activity of reactive astrocytes. 
B)  inhibit axon growth. 
C)  cause the release of neurotrophins. 
D)  act as transcription factors.

Question 14

A neuron was found to originate in the hippocampus and terminate in the prefrontal cortex.Relative to the hippocampus,the neuron would be called a(n):

Accepted Answer

A)  afferent neuron. 
B)  efferent neuron. 
C)  interneuron. 
D)  motor neuron.

Question 15

The greater the density of spines along dendrites,the greater a neuron's:

Accepted Answer

A)  neurotransmitter system. 
B)  synaptic zone. 
C)  firing rate. 
D)  receptive area.

Question 16

The point where a motor neuron meets a muscle fiber is called the:

Accepted Answer

A)  neuromuscular junction. 
B)  dorsal horn 
C)  end terminus. 
D)  ventral root.

Question 17

The ________________ maintains many physiological processes by motivating an organism's behavior.

Accepted Answer

The answer of The ________________ maintains many physiological processes by...

Question 18

______________ are chemicals that promote the growth and development of neurons.

Accepted Answer

A)  Epigenetic markers 
B)  Neurotransmitters 
C)  Proteoglycans 
D)  Neurotrophins

Question 19

Specialized cells in the nervous system that control behavior,senses,and movement are called:

Accepted Answer

A)  neurons. 
B)  glial cells. 
C)  synapses. 
D)  endothelial cells.

Question 20

List and describe two functions for cerebrospinal fluid.

Accepted Answer

The answer of List and describe two functions for cerebrospinal...

Exam 2: The Nervous System