Question 1

Arrival of an action potential at a presynaptic cell's axon terminals triggers the release of __________,a type of chemical signal.

Accepted Answer

The answer of Arrival of an action potential at a...

Question 2

Indicate whether the response is due to parasympathetic or sympathetic action.
-decreases adrenal gland secretions

Accepted Answer

A) parasympathetic 
B) Sympathetic 
A) parasympathetic 
B) Sympathetic

Question 3

Respond to the following items in reference to the four cell types listed below.
-cells that pick up environmental signals

Accepted Answer

A) Sensory neurons 
B) Interneurons 
C) Motor neurons 
D) Schwann cells 
A) Sensory neurons 
B) Interneurons 
C) Motor neurons 
D) Schwann cells

Question 4

What is the central control organ of a nervous system?

Accepted Answer

A)  Notochord 
B)  Brain 
C)  Nerve cord 
D)  Ganglia 
E)  Nerve 
A)  Notochord 
B)  Brain 
C)  Nerve cord 
D)  Ganglia 
E)  Nerve

Question 5

The following are true of endorphins except ____.

Accepted Answer

A)  they affect multiple adjacent neurons 
B)  they are natural painkillers 
C)  they are secreted when people laugh 
D)  they are released when people get a massage 
E)  they are suppressed under strenuous activity 
A)  they affect multiple adjacent neurons 
B)  they are natural painkillers 
C)  they are secreted when people laugh 
D)  they are released when people get a massage 
E)  they are suppressed under strenuous activity

Question 6

Please choose the one BEST response for each.
-neuron membrane potential at which gated sodium channels open

Accepted Answer

A) cells that nurture and support neurons 
B) sensory neuron 
C) interneuron 
D) acetylcholine or GABA 
E) motor neuron
F)a type of active transporter
G)fills the butterfly-shaped interior of a spinal cord
H)membrane potential
I)resting membrane potential
J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
K)action potential
L)positive feedback
M)threshold potential
N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
O)cluster of cell bodies that serves as simple central nervous system in planarians 
A) cells that nurture and support neurons 
B) sensory neuron 
C) interneuron 
D) acetylcholine or GABA 
E) motor neuron
F)a type of active transporter
G)fills the butterfly-shaped interior of a spinal cord
H)membrane potential
I)resting membrane potential
J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
K)action potential
L)positive feedback
M)threshold potential
N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
O)cluster of cell bodies that serves as simple central nervous system in planarians

Question 7

Nerves that extend from the central nervous system through the rest of the body are called the ______.

Accepted Answer

A)  peripheral nervous system 
B)  sympathetic nerves 
C)  ganglia 
D)  parasympathetic nerves 
E)  spinal nerves 
A)  peripheral nervous system 
B)  sympathetic nerves 
C)  ganglia 
D)  parasympathetic nerves 
E)  spinal nerves

Question 8

Portion of Figure 32.11
  
-The accompanying figure best represents what happens at a(n)____.

Accepted Answer

A)  neuromuscular junction 
B)  muscle fiber 
C)  postsynaptic terminal 
D)  neuronal membrane 
E)  negative feedback loop 
A)  neuromuscular junction 
B)  muscle fiber 
C)  postsynaptic terminal 
D)  neuronal membrane 
E)  negative feedback loop

Question 9

The parietal lobe is responsible for ____.

Accepted Answer

A)  vision 
B)  sensory input from the skin and joints 
C)  hearing 
D)  generating a motor response 
E)  inhibiting unsuitable behaviors 
A)  vision 
B)  sensory input from the skin and joints 
C)  hearing 
D)  generating a motor response 
E)  inhibiting unsuitable behaviors

Question 10

Choose the most appropriate description for each term
-medulla oblongata

Accepted Answer

A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance 
A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance

Question 11

Synaptic integration means that ____.

Accepted Answer

A)  positive or excitatory stimuli produce an excitatory postsynaptic potential 
B)  the positive and negative ions neutralize each other 
C)  excitatory and inhibitory signals are summed in a receiving neuron 
D)  the adjacent neurons interact so that excitatory and inhibitory stimuli cancel each other out 
E)  excitatory signals take precedence over inhibitory signals 
A)  positive or excitatory stimuli produce an excitatory postsynaptic potential 
B)  the positive and negative ions neutralize each other 
C)  excitatory and inhibitory signals are summed in a receiving neuron 
D)  the adjacent neurons interact so that excitatory and inhibitory stimuli cancel each other out 
E)  excitatory signals take precedence over inhibitory signals

Question 12

Choose the most appropriate description for each term
-corpus callosum

Accepted Answer

A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance 
A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance

Question 13

What is the best description of a nerve?

Accepted Answer

A)  A bundle of sensory, motor, or both types of nerve fibers outside the central nervous system 
B)  A single extension of a neuron 
C)  The same as a neuron but found only within the central nervous system 
D)  A collection of nerve cell bodies outside the central nervous system 
E)  A set of sensory cells only found in the autonomic nervous system 
A)  A bundle of sensory, motor, or both types of nerve fibers outside the central nervous system 
B)  A single extension of a neuron 
C)  The same as a neuron but found only within the central nervous system 
D)  A collection of nerve cell bodies outside the central nervous system 
E)  A set of sensory cells only found in the autonomic nervous system

Question 14

Please choose the one BEST response for each.
-gray matter

Accepted Answer

A) cells that nurture and support neurons 
B) sensory neuron 
C) interneuron 
D) acetylcholine or GABA 
E) motor neuron
F)a type of active transporter
G)fills the butterfly-shaped interior of a spinal cord
H)membrane potential
I)resting membrane potential
J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
K)action potential
L)positive feedback
M)threshold potential
N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
O)cluster of cell bodies that serves as simple central nervous system in planarians 
A) cells that nurture and support neurons 
B) sensory neuron 
C) interneuron 
D) acetylcholine or GABA 
E) motor neuron
F)a type of active transporter
G)fills the butterfly-shaped interior of a spinal cord
H)membrane potential
I)resting membrane potential
J)cytoplasmic extension of neurons that convert chemical signals to electrical signals
K)action potential
L)positive feedback
M)threshold potential
N)provides information about a person's level of wakefulness through voltage fluctuations in the cerebral cortex
O)cluster of cell bodies that serves as simple central nervous system in planarians

Question 15

Figure 32.17
 
-Stretch-sensitive muscle spindles are indicated by the letter _____.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  C and D 
A)  A 
B)  B 
C)  C 
D)  D 
E)  C and D

Question 16

Choose the most appropriate description for each term
-frontal lobe

Accepted Answer

A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance 
A) integrates body position, motions, balance 
B) stimulates body wall contraction in cnidarians 
C) messages from here influence sleep and wakefulness 
D) the cortical region that coordinates muscles required for speech 
E) all parts of the nervous system outside the brain and spinal cord
F)induces skeletal muscle contraction and slows cardiac muscle contraction
G)control center for breathing, heart rate, and reflexes such as coughing and sneezing
H)axons of the central nervous system that are sheathed with fatty myelin
I)often called the "emotional-visceral brain"
J)consists of sympathetic and parasympathetic divisions
K)membrane coverings over brain and spinal cord
L)part of the brainstem; plays roles in reward-based learning and voluntary movements
M)bundle of axons that connect right and left cerebral hemispheres
N)responsible for "rest and digest" response
O)contains centers concerned with body temperature regulation and with salt and water balance

Question 17

Respond to the following statements in reference to the five regions of the vertebrate brain listed below.
-This region governs abstract thought.

Accepted Answer

A) Cerebrum 
B) Hypothalamus 
C) Pons 
D) Cerebellum 
E) Medulla oblongata 
A) Cerebrum 
B) Hypothalamus 
C) Pons 
D) Cerebellum 
E) Medulla oblongata

Question 18

The neurotransmitter acetylcholine ____.

Accepted Answer

A)  speeds heart rate 
B)  induces skeletal muscle contraction 
C)  increases anxiety 
D)  has a role in memory and learning 
E)  dilates pupils 
A)  speeds heart rate 
B)  induces skeletal muscle contraction 
C)  increases anxiety 
D)  has a role in memory and learning 
E)  dilates pupils

Question 19

What is a mesh of interacting neurons with no central control organ?

Accepted Answer

A)  Nerve cord 
B)  Sensory neurons 
C)  Cephalization 
D)  Nerve net 
E)  Ganglion 
A)  Nerve cord 
B)  Sensory neurons 
C)  Cephalization 
D)  Nerve net 
E)  Ganglion

Question 20

Activity of the two halves of the cerebrum is coordinated by means of the __________ that connects them.

Accepted Answer

The answer of Activity of the two halves of the...

Exam 32: Neural Control

Arrival of an action potential at a presynaptic cell's axon terminals triggers the release of __________,a type of chemical signal.

Indicate whether the response is due to parasympathetic or sympathetic action. -decreases adrenal gland secretions

Respond to the following items in reference to the four cell types listed below. -cells that pick up environmental signals

What is the central control organ of a nervous system?

The following are true of endorphins except ____.

Please choose the one BEST response for each. -neuron membrane potential at which gated sodium channels open

Nerves that extend from the central nervous system through the rest of the body are called the ______.

Portion of Figure 32.11 -The accompanying figure best represents what happens at a(n)____.

The parietal lobe is responsible for ____.

Choose the most appropriate description for each term -medulla oblongata

Synaptic integration means that ____.

Choose the most appropriate description for each term -corpus callosum

What is the best description of a nerve?

Please choose the one BEST response for each. -gray matter

Figure 32.17 -Stretch-sensitive muscle spindles are indicated by the letter _____.

Choose the most appropriate description for each term -frontal lobe

Respond to the following statements in reference to the five regions of the vertebrate brain listed below. -This region governs abstract thought.

The neurotransmitter acetylcholine ____.

What is a mesh of interacting neurons with no central control organ?

Activity of the two halves of the cerebrum is coordinated by means of the __________ that connects them.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters