Question 1

Which of the following is not a type of neuron?

Accepted Answer

A)  sensory 
B)  interneuron 
C)  motor 
D)  neuroglia 
E)  afferent 
A)  sensory 
B)  interneuron 
C)  motor 
D)  neuroglia 
E)  afferent

Question 2

List the order of events that will occur during a reflex arc.

Accepted Answer

1. A sensation causes the sensory recept

Question 3

Which of the following statements is not true concerning acetylcholine's function?

Accepted Answer

A)  Acetylcholine has an excitatory effect on smooth muscle and glands. 
B)  Acetylcholine is active in both the CNS and PNS. 
C)  In the PNS, acetylcholine excites skeletal muscle. 
D)  In the PNS, acetylcholine inhibits cardiac muscle. 
E)  The enzyme acetylcholinesterase removes acetylcholine from the receiving cell's membrane. 
A)  Acetylcholine has an excitatory effect on smooth muscle and glands. 
B)  Acetylcholine is active in both the CNS and PNS. 
C)  In the PNS, acetylcholine excites skeletal muscle. 
D)  In the PNS, acetylcholine inhibits cardiac muscle. 
E)  The enzyme acetylcholinesterase removes acetylcholine from the receiving cell's membrane.

Question 4

Which of the following is part of the limbic system?

Accepted Answer

A)  spinal cord 
B)  primary somatosensory area 
C)  amygdala 
D)  reticular formation 
E)  cerebellum 
A)  spinal cord 
B)  primary somatosensory area 
C)  amygdala 
D)  reticular formation 
E)  cerebellum

Question 5

The division between the central nervous system and the peripheral nervous system is based on the anatomical differences between cells in the two locations.

Accepted Answer

A) True 
 B)False

Question 6

The brain stem contains the midbrain, the pons, and the medulla oblongata.

Accepted Answer

A) True 
 B)False

Question 7

Where do most of the nerve fibers of the sympathetic division of the autonomic motor pathways arise from?

Accepted Answer

A)  thoracolumbar spinal nerves 
B)  cranial nerves 
C)  brain stem 
D)  cervical nerves 
E)  medulla oblongata 
A)  thoracolumbar spinal nerves 
B)  cranial nerves 
C)  brain stem 
D)  cervical nerves 
E)  medulla oblongata

Question 8

What ensures the one-way direction of an action potential?

Accepted Answer

A)  As soon as the action potential has passed by, that portion of the axon undergoes a short refractory period. 
B)  Action potentials are self-propagating. 
C)  Conduction of an action potential is an all-or-none event. 
D)  An action potential at one node causes an action potential at the next node. 
E)  An axon can conduct a volley of action potentials very quickly. 
A)  As soon as the action potential has passed by, that portion of the axon undergoes a short refractory period. 
B)  Action potentials are self-propagating. 
C)  Conduction of an action potential is an all-or-none event. 
D)  An action potential at one node causes an action potential at the next node. 
E)  An axon can conduct a volley of action potentials very quickly.

Question 9

The somatic division of the PNS controls all of the following except the

Accepted Answer

A)  skin. 
B)  quadriceps muscle. 
C)  tendons. 
D)  heart muscle. 
E)  bicep muscles. 
A)  skin. 
B)  quadriceps muscle. 
C)  tendons. 
D)  heart muscle. 
E)  bicep muscles.

Question 10

Which one of the following is entirely located within the central nervous system?

Accepted Answer

A)  sensory neuron 
B)  sensory receptor 
C)  motor neuron 
D)  effector 
E)  interneuron 
A)  sensory neuron 
B)  sensory receptor 
C)  motor neuron 
D)  effector 
E)  interneuron

Question 11

Which of the following is not a lobe of the cerebral hemisphere?

Accepted Answer

A)  reticular 
B)  frontal 
C)  parietal 
D)  temporal 
E)  occipital 
A)  reticular 
B)  frontal 
C)  parietal 
D)  temporal 
E)  occipital

Question 12

When a neurotransmitter is released into the synaptic cleft, the response of the receiving neuron will be toward excitation.

Accepted Answer

A) True 
 B)False

Question 13

The central nervous system is protected by

Accepted Answer

A)  bone. 
B)  muscle. 
C)  fibrous cartilage. 
D)  hyaline cartilage. 
E)  elastic cartilage. 
A)  bone. 
B)  muscle. 
C)  fibrous cartilage. 
D)  hyaline cartilage. 
E)  elastic cartilage.

Question 14

The gap where there is no myelin sheath around a nerve fiber is called a node of Ranvier.

Accepted Answer

A) True 
 B)False

Question 15

The postganglionic fiber in the parasympathetic division is long because the ganglia lie near or within the organ.

Accepted Answer

A) True 
 B)False

Question 16

Depolarization of the neuron occurs when

Accepted Answer

A)  the potassium gates open and potassium moves outside the cell. 
B)  the sodium-potassium pump moves sodium inside the cell. 
C)  sodium gates open and sodium moves inside the cell. 
D)  the sodium-potassium pump moves potassium inside the cell. 
E)  water moves to the outside of the cell and chloride ions follow. 
A)  the potassium gates open and potassium moves outside the cell. 
B)  the sodium-potassium pump moves sodium inside the cell. 
C)  sodium gates open and sodium moves inside the cell. 
D)  the sodium-potassium pump moves potassium inside the cell. 
E)  water moves to the outside of the cell and chloride ions follow.

Question 17

Which of the following areas is not associated with the frontal lobe?

Accepted Answer

A)  primary motor area 
B)  primary visual area 
C)  premotor area 
D)  motor speech Broca's) area 
E)  prefrontal area 
A)  primary motor area 
B)  primary visual area 
C)  premotor area 
D)  motor speech Broca's) area 
E)  prefrontal area

Question 18

List the two primary structures of the limbic system and indicate their functions.

Accepted Answer

1. amygdala: causes experience

Question 19

Dopamine plays a central role in the working of the brain's built-in reward circuit.

Accepted Answer

A) True 
 B)False

Question 20

Which drug is in the same category as nicotine?

Accepted Answer

A)  cocaine 
B)  alcohol 
C)  heroin 
D)  marijuana 
E)  none of these 
A)  cocaine 
B)  alcohol 
C)  heroin 
D)  marijuana 
E)  none of these

Exam 14: Nervous System

Which of the following is not a type of neuron?

List the order of events that will occur during a reflex arc.

Which of the following statements is not true concerning acetylcholine's function?

Which of the following is part of the limbic system?

The division between the central nervous system and the peripheral nervous system is based on the anatomical differences between cells in the two locations.

The brain stem contains the midbrain, the pons, and the medulla oblongata.

Where do most of the nerve fibers of the sympathetic division of the autonomic motor pathways arise from?

What ensures the one-way direction of an action potential?

The somatic division of the PNS controls all of the following except the

Which one of the following is entirely located within the central nervous system?

Which of the following is not a lobe of the cerebral hemisphere?

When a neurotransmitter is released into the synaptic cleft, the response of the receiving neuron will be toward excitation.

The central nervous system is protected by

The gap where there is no myelin sheath around a nerve fiber is called a node of Ranvier.

The postganglionic fiber in the parasympathetic division is long because the ganglia lie near or within the organ.

Depolarization of the neuron occurs when

Which of the following areas is not associated with the frontal lobe?

List the two primary structures of the limbic system and indicate their functions.

Dopamine plays a central role in the working of the brain's built-in reward circuit.

Which drug is in the same category as nicotine?

Human Organization

Chemistery of Life

Cell Structure and Function

Torganization and Regulation of Body Systems

Cardiovascular System : Heart and Blood Vessels

Cardiovascular System : Blood

The Lumphatic and Immune Systems

Biology of Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Senses

Endocring System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Piology and Technology

Hummen Evolution

Ecology and the Nature of Ecosystems

Hummen Interactions With the Biosphere

Filters