Question 1

Choose the most appropriate description for each term
-cerebellum

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 A

Question 2

Indicate whether the response is due to parasympathetic or sympathetic action.
-slows digestion

Accepted Answer

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

Question 3

________________ neurons detect stimuli such as light or touch.

Accepted Answer

Sensory

Question 4

An action potential can best be described as a _____.

Accepted Answer

A)  trigger zone 
B)  kinetic activity 
C)  brief reversal in the polarity of the electric gradient across the plasma membrane 
D)  peak of energy that does not resolve to its former state 
E)  brief increase in the polarity of the electric gradient across the plasma membrane 
A)  trigger zone 
B)  kinetic activity 
C)  brief reversal in the polarity of the electric gradient across the plasma membrane 
D)  peak of energy that does not resolve to its former state 
E)  brief increase in the polarity of the electric gradient across the plasma membrane

Question 5

Please choose the one BEST response for each.
-voltage difference across a cell membrane

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 6

What happens first following a neuronal stimulation?

Accepted Answer

A)  Sodium ions enter the cell. 
B)  Sodium ions leave the cell. 
C)  Potassium ions enter the cell. 
D)  Potassium ions leave the cell. 
E)  Potassium ions are involved in positive feedback. 
A)  Sodium ions enter the cell. 
B)  Sodium ions leave the cell. 
C)  Potassium ions enter the cell. 
D)  Potassium ions leave the cell. 
E)  Potassium ions are involved in positive feedback.

Question 7

Which of the following trends in evolution of the nervous system refers to the formation of a distinct head that has a large concentration of neurons?

Accepted Answer

A)  Cephalization 
B)  Ganglion 
C)  Brain 
D)  Peripheral nervous system 
E)  Central nervous system 
A)  Cephalization 
B)  Ganglion 
C)  Brain 
D)  Peripheral nervous system 
E)  Central nervous system

Question 8

Nerve impulses coming into the spinal cord enter via ____.

Accepted Answer

A)  intervertebral disks 
B)  neuroglia 
C)  the dorsal roots 
D)  Broca's area 
E)  ventral roots 
A)  intervertebral disks 
B)  neuroglia 
C)  the dorsal roots 
D)  Broca's area 
E)  ventral roots

Question 9

The main center for homeostatic control of the internal environment is the ____.

Accepted Answer

A)  pons 
B)  medulla oblongata 
C)  hypothalamus 
D)  thalamus 
E)  cerebellum 
A)  pons 
B)  medulla oblongata 
C)  hypothalamus 
D)  thalamus 
E)  cerebellum

Question 10

Please choose the one BEST response for each.
-controls muscles and glands

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 11

The major divisions of the peripheral nervous system are the ____.

Accepted Answer

A)  somatic and autonomic systems 
B)  sympathetic and parasympathetic systems 
C)  peripheral and central systems 
D)  afferent and autonomic systems 
E)  cranial and skeletal nerves 
A)  somatic and autonomic systems 
B)  sympathetic and parasympathetic systems 
C)  peripheral and central systems 
D)  afferent and autonomic systems 
E)  cranial and skeletal nerves

Question 12

In terms of the evolution of nervous systems,which events tend to occur in concert with one another?

Accepted Answer

A)  Brains; radial symmetry 
B)  Planaria; radial symmetry 
C)  Nerve net; bilateral symmetry 
D)  Cephalization; bilateral symmetry 
E)  Cephalization; radial symmetry 
A)  Brains; radial symmetry 
B)  Planaria; radial symmetry 
C)  Nerve net; bilateral symmetry 
D)  Cephalization; bilateral symmetry 
E)  Cephalization; radial symmetry

Question 13

__________ relay signals between neurons.

Accepted Answer

The answer of __________ relay signals between neurons....

Question 14

Which of the following is mismatched?

Accepted Answer

A)  Acetylcholine; muscle contraction 
B)  Endorphin; pain perception 
C)  Norepinephrine; fight-or-flight response 
D)  Serotonin; sexual function 
E)  GABA; major inhibitor in the brain 
A)  Acetylcholine; muscle contraction 
B)  Endorphin; pain perception 
C)  Norepinephrine; fight-or-flight response 
D)  Serotonin; sexual function 
E)  GABA; major inhibitor in the brain

Question 15

In vertebrates,the dorsal nerve cord evolved into a brain and spinal cord,which together constitute which of the following?

Accepted Answer

A)  Central nervous system 
B)  Brain 
C)  Cephalization 
D)  Peripheral nervous system 
E)  Autonomous nervous system 
A)  Central nervous system 
B)  Brain 
C)  Cephalization 
D)  Peripheral nervous system 
E)  Autonomous nervous system

Question 16

Please choose the one BEST response for each.
-a response intensifies the conditions that caused its occurrence

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 17

A reflex pathway is the simplest pathway because it _____.

Accepted Answer

A)  involves only one synapse 
B)  is evaluated and integrated by the medulla, not the cerebrum 
C)  does not involve conscious thought or learning 
D)  does not involve the central nervous system in any way 
E)  involves only one neurotransmitter 
A)  involves only one synapse 
B)  is evaluated and integrated by the medulla, not the cerebrum 
C)  does not involve conscious thought or learning 
D)  does not involve the central nervous system in any way 
E)  involves only one neurotransmitter

Question 18

Please choose the one BEST response for each.
-brief reversal of the voltage difference across a cell membrane

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 19

Chemical signals released by axon terminals of a neuron,which also binds to receptors on a postsynaptic cell,are called ________.

Accepted Answer

The answer of Chemical signals released by axon terminals of...

Question 20

Please choose the one BEST response for each.
-sodium-potassium pump

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

Exam 32: Neural Control

Choose the most appropriate description for each term -cerebellum

Indicate whether the response is due to parasympathetic or sympathetic action. -slows digestion

________________ neurons detect stimuli such as light or touch.

An action potential can best be described as a _____.

Please choose the one BEST response for each. -voltage difference across a cell membrane

What happens first following a neuronal stimulation?

Which of the following trends in evolution of the nervous system refers to the formation of a distinct head that has a large concentration of neurons?

Nerve impulses coming into the spinal cord enter via ____.

The main center for homeostatic control of the internal environment is the ____.

Please choose the one BEST response for each. -controls muscles and glands

The major divisions of the peripheral nervous system are the ____.

In terms of the evolution of nervous systems,which events tend to occur in concert with one another?

__________ relay signals between neurons.

Which of the following is mismatched?

In vertebrates,the dorsal nerve cord evolved into a brain and spinal cord,which together constitute which of the following?

Please choose the one BEST response for each. -a response intensifies the conditions that caused its occurrence

A reflex pathway is the simplest pathway because it _____.

Please choose the one BEST response for each. -brief reversal of the voltage difference across a cell membrane

Chemical signals released by axon terminals of a neuron,which also binds to receptors on a postsynaptic cell,are called ________.

Please choose the one BEST response for each. -sodium-potassium pump

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