Question 1

A neuron is less likely to fire if it becomes

Accepted Answer

A) hyperpolarized. 
B) repolarized. 
C) depolarized. 
D) hypopolarized. 
A) hyperpolarized. 
B) repolarized. 
C) depolarized. 
D) hypopolarized.

Question 2

Oligodendrocytes are to __________ as astrocytes are to __________.

Accepted Answer

A) neurotransmitters;dendrites 
B) the myelin sheath;the blood-brain barrier 
C) synaptic vesicles;the cell body 
D) axons;glial cells 
A) neurotransmitters;dendrites 
B) the myelin sheath;the blood-brain barrier 
C) synaptic vesicles;the cell body 
D) axons;glial cells

Question 3

During the refractory period,the electrical charge inside the cell is __________ the electrical charge when the cell is in a resting state.

Accepted Answer

A) more positive than 
B) larger than 
C) more negative than 
D) smaller than 
A) more positive than 
B) larger than 
C) more negative than 
D) smaller than

Question 4

Hormones are transmitted from the endocrine system to organs via

Accepted Answer

A) cerebrospinal fluid. 
B) the bloodstream. 
C) the nerves. 
D) interneurons. 
A) cerebrospinal fluid. 
B) the bloodstream. 
C) the nerves. 
D) interneurons.

Question 5

Which of the following statements is not true?

Accepted Answer

A) Graded potentials can be inhibitory. 
B) Graded potentials can be excitatory. 
C) Graded potentials always become action potentials. 
D) Graded potentials are postsynaptic potentials. 
A) Graded potentials can be inhibitory. 
B) Graded potentials can be excitatory. 
C) Graded potentials always become action potentials. 
D) Graded potentials are postsynaptic potentials.

Question 6

Neurotransmitters are to synaptic vesicles as the __________ is/are to the cell body.

Accepted Answer

A) soma 
B) axon 
C) nucleus 
D) dendrites 
A) soma 
B) axon 
C) nucleus 
D) dendrites

Question 7

A technique that permits scientists to pinpoint the location of specific brain areas using coordinates is called

Accepted Answer

A) the stereotaxic method. 
B) functional imaging. 
C) phrenology. 
D) magnetoencephalography. 
A) the stereotaxic method. 
B) functional imaging. 
C) phrenology. 
D) magnetoencephalography.

Question 8

Unlike __________,__________ are usually very thin at their site of origin near the cell body,because this narrowness creates a trigger zone,a site that's easy to activate.

Accepted Answer

A) cell bodies;dendrites 
B) axons;axon terminals 
C) axon terminals;synaptic knobs 
D) dendrites;axons 
A) cell bodies;dendrites 
B) axons;axon terminals 
C) axon terminals;synaptic knobs 
D) dendrites;axons

Question 9

__________ are holes in the surface of the dendrites or certain cells of the muscles and glands that are shaped to fit only certain neurotransmitters.

Accepted Answer

A) Synapses 
B) Axons 
C) Synaptic vesicles 
D) Receptor sites 
A) Synapses 
B) Axons 
C) Synaptic vesicles 
D) Receptor sites

Question 10

The maximal firing rate,or the fastest rate at which a neuron can fire,is limited by the

Accepted Answer

A) number of glial cells surrounding the axon. 
B) absolute refractory period. 
C) number of graded potential inputs received by the cell. 
D) postsynaptic potential of the neuron. 
A) number of glial cells surrounding the axon. 
B) absolute refractory period. 
C) number of graded potential inputs received by the cell. 
D) postsynaptic potential of the neuron.

Question 11

The part of the brain dedicated to emotion is

Accepted Answer

A) the lymphatic system. 
B) the reticular activating system. 
C) the limbic system. 
D) the endocrine system. 
A) the lymphatic system. 
B) the reticular activating system. 
C) the limbic system. 
D) the endocrine system.

Question 12

Which of the following neurotransmitters functions as a common inhibitory neurotransmitter in the brain?

Accepted Answer

A) Serotonin 
B) GABA 
C) Acetylcholine 
D) Norepinephrine 
A) Serotonin 
B) GABA 
C) Acetylcholine 
D) Norepinephrine

Question 13

Which of the following is a long bundle of neurons that functions as a carrier of messages from the body to the brain and from the brain to the body and is responsible for certain reflexes?

Accepted Answer

A) Spinal cord 
B) Reflexes 
C) Brain 
D) Amygdala 
A) Spinal cord 
B) Reflexes 
C) Brain 
D) Amygdala

Question 14

The process of __________ is considered essential for learning and structural changes in the brain.

Accepted Answer

A) long-term potentiation 
B) synaptogenesis 
C) pruning 
D) neurotrophy 
A) long-term potentiation 
B) synaptogenesis 
C) pruning 
D) neurotrophy

Question 15

The __________ receive information from other neurons and have long extensions.

Accepted Answer

A) synaptic knobs 
B) dendrites 
C) axons 
D) terminal buttons 
A) synaptic knobs 
B) dendrites 
C) axons 
D) terminal buttons

Question 16

Neurotransmitters are reabsorbed into the synaptic vesicles and recycled through the process called

Accepted Answer

A) postsynaptic potentials. 
B) reuptake. 
C) binding. 
D) restoration. 
A) postsynaptic potentials. 
B) reuptake. 
C) binding. 
D) restoration.

Question 17

Which of the following statements reflects the relationship between the number of neurons in the human brain and the number of neural connections?

Accepted Answer

A) The number of neural connections is less than the number of neurons because some neurons operate in feedback loops. 
B) Neurons connect in a one-to-one fashion with each other,so the number of neurons and neural connections is approximately equal. 
C) Most neurons connect to about five other neurons,so the proportion of neural connections in about five times greater than the number of neurons. 
D) The number of neural connections far outweighs the number of neurons,as many neurons have tens of thousands of connections. 
A) The number of neural connections is less than the number of neurons because some neurons operate in feedback loops. 
B) Neurons connect in a one-to-one fashion with each other,so the number of neurons and neural connections is approximately equal. 
C) Most neurons connect to about five other neurons,so the proportion of neural connections in about five times greater than the number of neurons. 
D) The number of neural connections far outweighs the number of neurons,as many neurons have tens of thousands of connections.

Question 18

Brian was in a severe car accident and has suffered brain damage as a result.He is in a coma and has to be hooked up to a ventilator and heart monitor constantly.Brian suffered damage to what area of the brain?

Accepted Answer

A) Forebrain 
B) Corpus callosum 
C) Brain stem 
D) Cerebellum 
A) Forebrain 
B) Corpus callosum 
C) Brain stem 
D) Cerebellum

Question 19

The neurotransmitter __________ is responsible for pain reduction and increased appetite.

Accepted Answer

A) dopamine 
B) anandamide 
C) serotonin 
D) acetylcholine 
A) dopamine 
B) anandamide 
C) serotonin 
D) acetylcholine

Question 20

An individual who is totally unaware of their surroundings,unresponsive to stimuli,and lacking in any movement or reflexes would be considered to be

Accepted Answer

A) in a persistent vegetative state. 
B) brain dead. 
C) cortically dead. 
D) unconscious. 
A) in a persistent vegetative state. 
B) brain dead. 
C) cortically dead. 
D) unconscious.

Exam 3: D: Biological Psychology

A neuron is less likely to fire if it becomes

Oligodendrocytes are to __________ as astrocytes are to __________.

During the refractory period,the electrical charge inside the cell is __________ the electrical charge when the cell is in a resting state.

Hormones are transmitted from the endocrine system to organs via

Which of the following statements is not true?

Neurotransmitters are to synaptic vesicles as the __________ is/are to the cell body.

A technique that permits scientists to pinpoint the location of specific brain areas using coordinates is called

Unlike __________,__________ are usually very thin at their site of origin near the cell body,because this narrowness creates a trigger zone,a site that's easy to activate.

__________ are holes in the surface of the dendrites or certain cells of the muscles and glands that are shaped to fit only certain neurotransmitters.

The maximal firing rate,or the fastest rate at which a neuron can fire,is limited by the

The part of the brain dedicated to emotion is

Which of the following neurotransmitters functions as a common inhibitory neurotransmitter in the brain?

Which of the following is a long bundle of neurons that functions as a carrier of messages from the body to the brain and from the brain to the body and is responsible for certain reflexes?

The process of __________ is considered essential for learning and structural changes in the brain.

The __________ receive information from other neurons and have long extensions.

Neurotransmitters are reabsorbed into the synaptic vesicles and recycled through the process called

Which of the following statements reflects the relationship between the number of neurons in the human brain and the number of neural connections?

Brian was in a severe car accident and has suffered brain damage as a result.He is in a coma and has to be hooked up to a ventilator and heart monitor constantly.Brian suffered damage to what area of the brain?

The neurotransmitter __________ is responsible for pain reduction and increased appetite.

An individual who is totally unaware of their surroundings,unresponsive to stimuli,and lacking in any movement or reflexes would be considered to be

A: Psychology and Scientific Thinking

B: Psychology and Scientific Thinking

C: Psychology and Scientific Thinking

D: Psychology and Scientific Thinking

A: Research Methods

B: Research Methods

C: Research Methods

D: Research Methods

A: Biological Psychology

B: Biological Psychology

C: Biological Psychology

A: Sensation and Perception

B: Sensation and Perception

C: Sensation and Perception

D: Sensation and Perception

A: Consciousness

B: Consciousness

C: Consciousness

D: Consciousness

A: Learning

B: Learning

C: Learning

D: Learning

A: Memory

B: Memory

C: Memory

D: Memory

A: Thinking,reasoning,and Language

B: Language,thinking,and Reasoning

C: Language,thinking,and Reasoning

D: Language,thinking,and Reasoning

A: Intelligence and Iq Testing

B: Intelligence and Iq Testing

C: Intelligence and Iq Testing

D: Intelligence and Iq Testing

A: Human Development

B: Human Development

C: Human Development

D: Human Development

A: Emotion and Motivation

B: Emotion and Motivation

C: Emotion and Motivation

D: Emotion and Motivation

A: Stress,coping,and Health

B: Stress,coping,and Health

C: Stress,coping,and Health

D: Stress,coping,and Health

A: Social Psychology

B: Social Psychology

C: Social Psychology

D: Social Psychology

A: Personality

B: Personality

C: Personality

D: Personality

A: Psychological Disorders

B: Psychological Disorders

C: Psychological Disorders

D: Psychological Disorders

Oligodendrocytes are to as astrocytes are to .

Unlike , are usually very thin at their site of origin near the cell body,because this narrowness creates a trigger zone,a site that's easy to activate.